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MAX243CSE

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MAX243CSE

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Part Number MAX243CSE
Manufacturer Maxim Integrated
Description IC 2DVR/2RCVR RS232 5V 16-SOIC
Datasheet MAX243CSE Datasheet
Package 16-SOIC (0.154", 3.90mm Width)
In Stock 5,660 piece(s)
Unit Price Request a Quote
Lead Time Can Ship Immediately
Estimated Delivery Time Dec 4 - Dec 9 (Choose Expedited Shipping)
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Part Number # MAX243CSE (Interface - Drivers, Receivers, Transceivers) is manufactured by Maxim Integrated and distributed by Heisener. Being one of the leading electronics distributors, we carry many kinds of electronic components from some of the world’s top class manufacturers. Their quality is guaranteed by its stringent quality control to meet all required standards.

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MAX243CSE Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers
Datasheet MAX243CSEDatasheet
Package16-SOIC (0.154", 3.90mm Width)
Series-
TypeTransceiver
ProtocolRS232
Number of Drivers/Receivers2/2
DuplexFull
Receiver Hysteresis500mV
Data Rate200kbps
Voltage - Supply4.5 V ~ 5.5 V
Operating Temperature0°C ~ 70°C
Mounting TypeSurface Mount
Package / Case16-SOIC (0.154", 3.90mm Width)
Supplier Device Package16-SOIC

MAX243CSE Datasheet

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19-4323; Rev 17; 1/15 MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers General Description The MAX220–MAX249 family of line drivers/receivers is intended for all EIA/TIA-232E and V.28/V.24 communica- tions interfaces, particularly applications where ±12V is not available. The MAX225, MAX233, MAX235, and MAX245/MAX246/ MAX247 use no external components and are recommended for applications where printed circuit board space is critical. The MAX220-MAX249 are offered in 26 different pack- ages with temperatures from 0 to +70°C up to -55°C to +125°C. See ordering information table at the end of the data sheet for all package and temperature options. Applications • Interface Translation • Multidrop RS-232 Networks • Portable Diagnostics Equipment Benefits and Features Saves Board Space • Integrated Charge Pump Circuitry • Eliminates the Need for a Bipolar ±12V Supply • Enables Single Supply Operation from +5V Supply • Integrated Capacitors (MAX223, MAX233, MAX235, MAX245-MAX247) Saves Power for Reduced Power Requirements • 5µW Shutdown Mode AutoShutdown and UCSP are trademarks of Maxim Integrated Products, Inc. TOP VIEW 16 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 VCC GND T1OUT R1INC2+ C1- V+ C1+ + MAX220 MAX232 MAX232A R1OUT T1IN T2IN R2OUTR2IN T2OUT V- C2- DIP/SO V+ V- 2 +10VC1+ C1 C2 1 3 4 5 11 10 12 9 6 14 7 13 8 T1IN R1OUT T2IN R2OUT T1OUT R1IN T2OUT R2IN +5V INPUT C2+ -10V C4 RS-232 OUTPUTS RS-232 INPUTS TTL/CMOS INPUTS TTL/CMOS OUTPUTS GND 15 5kΩ 5kΩ 400kΩ 400kΩ +5V +5V +10V TO -10V VOLTAGE INVERTER +5V TO +10V VOLTAGE DOUBLER 16 C3 C5 CAPACITANCE (μF) DEVICE MAX220 MAX232 MAX232A C1 0.047 1.0 0.1 C2 0.33 1.0 0.1 C3 0.33 1.0 0.1 C4 0.33 1.0 0.1 C5 0.33 1.0 0.1 C2- C1- VCC Ordering Information and Selection Table appears at end of data sheet. MAX220/MAX232/MAX232A Pin Configuration and Typical Operating Circuit

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Maxim Integrated | 2www.maximintegrated.com MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Absolute Maximum Ratings—MAX220/222/232A/233A/242/243 Electrical Characteristics—MAX220/222/232A/233A/242/243 (VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.) (Note 3) Note 1: For the MAX220, V+ and V- can have a maximum magnitude of 7V, but their absolute difference cannot exceed 13V. Note 2: Input voltage measured with TOUT in high-impedance state, VSHDN or VCC = 0V. Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Voltages referenced to GND.) VCC...........................................................................-0.3V to +6V V+ (Note 1) ..................................................(VCC - 0.3V) to +14V V- (Note 1) ..............................................................+0.3V to -14V Input Voltages TIN .............................................................-0.3V to (VCC - 0.3V) RIN (Except MAX220) ........................................................±30V RIN (MAX220) ....................................................................±25V TOUT (Except MAX220) (Note 2) ......................................±15V TOUT (MAX220)..............................................................±13.2V Output Voltages TOUT..................................................................................±15V ROUT........................................................-0.3V to (VCC + 0.3V) Driver/Receiver Output Short Circuited to GND.........Continuous Continuous Power Dissipation (TA = +70°C) 16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)..842mW 18-Pin Plastic DIP (derate 11.11mW/°C above +70°C)..889mW 20-Pin Plastic DIP (derate 8.00mW/°C above +70°C) ..440mW 16-Pin Narrow SO (derate 8.70mW/°C above +70°C) ...696mW 16-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW 18-Pin Wide SO (derate 9.52mW/°C above +70°C)......762mW 20-Pin Wide SO (derate 10.00mW/°C above +70°C)....800mW 20-Pin SSOP (derate 8.00mW/°C above +70°C) ..........640mW 16-Pin CERDIP (derate 10.00mW/°C above +70°C).....800mW 18-Pin CERDIP (derate 10.53mW/°C above +70°C).....842mW Operating Temperature Ranges MAX2_ _AC_ _, MAX2_ _C_ _.............................0°C to +70°C MAX2_ _AE_ _, MAX2_ _E_ _ ..........................-40°C to +85°C MAX2_ _AM_ _, MAX2_ _M_ _.......................-55°C to +125°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) 20 PDIP (P20M+1) .......................................................+225°C All other lead(Pb)-free packages.................................+260°C All other packages containing lead(Pb) ......................+240°C PARAMETER CONDITIONS MIN TYP MAX UNITS RS-232 TRANSMITTERS Output Voltage Swing All transmitter outputs loaded with 3k to GND ±5 ±8 V Input Logic-Low Voltage 1.4 0.8 V All devices except MAX220 2 1.4 Input Logic-High Voltage MAX220: VCC = +5.0V 2.4 V All except MAX220, normal operation 5 40 Logic Pullup/lnput Current VSHDN = 0V, MAX222/MAX242, shutdown, MAX220 ±0.01 ±1 μA VCC = +5.5V, VSHDN = 0V, VOUT = ±15V, MAX222/MAX242 ±0.01 ±10 VOUT = ±15V ±0.01 ±10 Output Leakage Current VCC = VSHDN = 0V MAX220, VOUT = ±12V ±25 μA Data Rate 200 116 kbps Transmitter Output Resistance VCC = V+ = V- = 0V, VOUT = ±2V 300 10M VOUT = 0V ±7 ±22 Output Short-Circuit Current VOUT = 0V MAX220 ±60 mA RS-232 RECEIVERS ±30 RS-232 Input Voltage Operating Range MAX220 ±25 V All except MAX243 R2IN 0.8 1.3 RS-232 Input Threshold Low VCC = +5V MAX243 R2IN (Note 4) -3 V All except MAX243 R2IN 1.8 2.4 RS-232 Input Threshold High VCC = +5V MAX243 R2IN (Note 4) -0.5 -0.1 V

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MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Maxim Integrated | 3www.maximintegrated.com Electrical Characteristics—MAX220/222/232A/233A/242/243 (continued) (VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.) (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS All except MAX220/MAX243, VCC = +5V, no hysteresis in shutdown 0.2 0.5 1.0 MAX220 0.3 RS-232 Input Hysteresis MAX243 1 V 3 5 7 RS-232 Input Resistance TA = +25°C (MAX220) 3 5 7 k IOUT = 3.2mA 0.2 0.4 TTL/CMOS Output Voltage Low IOUT = 1.6mA (MAX220) 0.4 V TTL/CMOS Output Voltage High IOUT = -1.0mA 3.5 VCC - 0.2 V Sourcing VOUT = VGND -2 -10 TTL/CMOS Output Short-Circuit Current Sinking VOUT = VCC 10 30 mA TTL/CMOS Output Leakage Current VSHDN = VCC or VEN = VCC (VSHDN = 0V for MAX222), 0V VOUT VCC ±0.05 ±10 μA EN Input Threshold Low MAX242 1.4 0.8 V EN Input Threshold High MAX242 2.0 1.4 V Supply Voltage Range 4.5 5.5 V MAX220 0.5 2 No load MAX222/MAX232A/MAX233A/ MAX242/MAX243 4 10 MAX220 12 VCC Supply Current (VSHDN = VCC), Figures 5, 6, 11, 19 3k load both inputs MAX222/MAX232A/MAX233A/ MAX242/MAX243 15 mA TA = +25°C 0.1 10 TA = 0°C to +70°C 2 50 TA = -40°C to +85°C 2 50 Shutdown Supply Current MAX222/ MAX242 TA = -55°C to +125°C 35 100 μA SHDN Input Leakage Current MAX222/MAX242 ±1 μA SHDN Threshold Low MAX222/MAX242 1.4 0.8 V SHDN Threshold High MAX222/MAX242 2.0 1.4 V MAX222/MAX232A/ MAX233/MAX242/MAX243 6 12 30 Transition Slew Rate CL = 50pF to 2500pF, RL = 3k to 7k , VCC = +5V, TA = +25°C, measured from +3V to -3V or -3V to +3V MAX220 1.5 3 30.0 V/μs MAX222/MAX232A/ MAX233/MAX242/MAX243 1.3 3.5 tPHLT, Figure 1 MAX220 4 10 MAX222/MAX232A/ MAX233/MAX242/MAX243 1.5 3.5 Transmitter Propagation Delay TLL to RS-232 (Normal Operation) tPLHT, Figure 1 MAX220 5 10 μs

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Maxim Integrated | 4www.maximintegrated.com MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Typical Operating Characteristics MAX220/MAX222/MAX232A/MAX233A/MAX242/MAX243 10 8 -10 0 5 15 25 OUTPUT VOLTAGE vs. LOAD CURRENT -4 -6 -8 -2 6 4 2 M A X 2 2 0 -0 1 LOAD CURRENT (mA) O U TP U T V O LT A G E (V ) 10 0 20 0.1μF EITHER V+ OR V- LOADED VCC = +5V NO LOAD ON TRANSMITTER OUTPUTS (EXCEPT MAX220, MAX233A) V- LOADED, NO LOAD ON V+ V+ LOADED, NO LOAD ON V- 1μF 1μF0.1μF 11 10 4 0 10 40 60 AVAILABLE OUTPUT CURRENT vs. DATA RATE 6 5 7 9 8 M A X 2 2 0 -0 2 DATA RATE (kb/s) O U TP U T C U R R EN T (m A ) 20 30 50 OUTPUT LOAD CURRENT FLOWS FROM V+ TO V- VCC = +5.25V ALL CAPS 1μF ALL CAPS 0.1μF VCC = +4.75V +10V -10V MAX222/MAX242 ON-TIME EXITING SHUTDOWN +5V +5V 0V 0V M A X 2 2 0 -0 3 500μs/div V +, V - V O LT A G E (V ) 1μF CAPS V+ V+ V-V- SHDN 0.1μF CAPS 1μF CAPS 0.1μF CAPS Electrical Characteristics—MAX220/222/232A/233A/242/243 (continued) (VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.) (Note 3) PARAMETER CONDITIONS MIN TYP MAX UNITS MAX222/MAX232A/MAX233/ MAX242/MAX243 0.5 1 tPHLR, Figure 2 MAX220 0.6 3 MAX222/MAX232A/MAX233/ MAX242/MAX243 0.6 1 Receiver Propagation Delay RS-232 to TLL (Normal Operation) tPLHR, Figure 2 MAX220 0.8 3 μs tPHLS, Figure 2 MAX242 0.5 10 Receiver Propagation Delay RS-232 to TLL (Shutdown) tPHLS, Figure 2 MAX242 2.5 10 μs Receiver-Output Enable Time tER MAX242, Figure 3 125 500 ns Receiver-Output Disable Time tDR MAX242, Figure 3 160 500 ns Transmitter-Output Enable Time (SHDN Goes High) tET MAX222/MAX242, 0.1μF caps (includes charge-pump start-up), Figure 4 250 μs Transmitter-Output Disable Time (SHDN Goes Low) tDT MAX222/MAX242, 0.1μF caps, Figure 4 600 ns MAX222/MAX232A/MAX233/ MAX242/MAX243 300 Transmitter + to - Propagation Delay Difference (Normal Operation) tPHLT - tPLHT MAX220 2000 ns MAX222/MAX232A/MAX233/ MAX242/MAX243 100 Receiver + to - Propagation Delay Difference (Normal Operation) tPHLR - tPLHR MAX220 225 ns Note 3: All units are production tested at hot. Specifications over temperature are guaranteed by design. Note 4: MAX243 R2OUT is guaranteed to be low when R2IN ≥ 0V or is unconnected.

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(Voltages referenced to GND.) VCC...........................................................................-0.3V to +6V V+................................................................(VCC - 0.3V) to +14V V- ............................................................................+0.3V to -14V Input Voltages TIN............................................................-0.3V to (VCC + 0.3V) RIN .....................................................................................±30V Output Voltages TOUT ..................................................(V+ + 0.3V) to (V- - 0.3V) ROUT........................................................-0.3V to (VCC + 0.3V) Short-Circuit Duration, TOUT to GND ........................Continuous Continuous Power Dissipation (TA = +70°C) 14-Pin Plastic DIP (derate 10.00mW/°C above +70°C)....800mW 16-Pin Plastic DIP (derate 10.53mW/°C above +70°C)....842mW 20-Pin Plastic DIP (derate 11.11mW/°C above +70°C)....889mW 24-Pin Narrow Plastic DIP (derate 13.33mW/°C above +70°C) ..........1.07W 24-Pin Plastic DIP (derate 9.09mW/°C above +70°C)......500mW 16-Pin Wide SO (derate 9.52mW/°C above +70°C).........762mW 20-Pin Wide SO (derate 10.00mW/°C above +70°C).......800mW 24-Pin Wide SO (derate 11.76mW/°C above +70°C).......941mW 28-Pin Wide SO (derate 12.50mW/°C above +70°C) .............1W 44-Pin Plastic FP (derate 11.11mW/°C above +70°C) .....889mW 14-Pin CERDIP (derate 9.09mW/°C above +70°C) ..........727mW 16-Pin CERDIP (derate 10.00mW/°C above +70°C) ........800mW 20-Pin CERDIP (derate 11.11mW/°C above +70°C) ........889mW 24-Pin Narrow CERDIP (derate 12.50mW/°C above +70°C) ..............1W 24-Pin Sidebraze (derate 20.0mW/°C above +70°C)..........1.6W 28-Pin SSOP (derate 9.52mW/°C above +70°C).............762mW Operating Temperature Ranges MAX2 _ _ C _ _......................................................0°C to +70°C MAX2 _ _ E _ _ ...................................................-40°C to +85°C MAX2 _ _ M _ _......................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering, 10s) .................................+300°C Soldering Temperature (reflow) 20 PDIP (P20M+1) .........................................................+225°C 24 PDIP (P24M-1) ..........................................................+225°C All other lead(Pb)-free packages...................................+260°C All other packages containing lead(Pb) ...........................+240°C MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Maxim Integrated | 5www.maximintegrated.com Absolute Maximum Ratings—MAX223/MAX230–MAX241 Electrical Characteristics—MAX223/MAX230–MAX241 (MAX223/230/232/234/236/237/238/240/241, VCC = +5V ±10%; MAX233/MAX235, VCC = +5V ±5%‚ C1–C4 = 1.0µF; MAX231/MAX239, VCC = +5V ±10%; V+ = +7.5V to +13.2V; TA = TMIN to TMAX; unless otherwise noted.) (Note 5) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. CONDITIONS MIN TYP MAX UNITS Output Voltage Swing All transmitter outputs loaded with 3kΩ to ground ±5.0 ±7.3 V VCC Supply Current No load, TA = +25°C 5 10 mA7 15 0.4 1 V+ Supply Current 1.8 5 mA 5 15 Shutdown Supply Current TA = +25°C 15 50 VInput Logic-High Voltage TIN 2.0 EN, SHDN (MAX223); EN, SHDN (MAX230/235/236/240/241) 2.4 Logic Pullup Current VTIN = 0V 1.5 200 Receiver Input Voltage Operating Range -30 +30 V µA µA 1 10 VInput Logic-Low Voltage TIN, EN, SHDN (MAX233); EN, SHDN (MAX230/235–241) 0.8 MAX231/239 MAX223/230/234–238/240/241 MAX232/233 PARAMETER MAX239 MAX230/235/236/240/241 MAX231 MAX223

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Maxim Integrated | 6www.maximintegrated.com MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers mA V 0.8 1.2 PARAMETER MIN TYP MAX UNITSCONDITIONS Normal operation VSHDN = 5V (MAX223) VSHDN = 0V (MAX235/236/240/241) 1.7 2.4 RS-232 Input Logic-Low Voltage TA = +25°C, VCC = +5V 0.6 1.5 VRS-232 Input Logic-High Voltage TA = +25°C, VCC = +5V Shutdown (MAX223) VSHDN = 0V, VEN = +5V (R4IN‚ R5IN) 1.5 2.4 Electrical Characteristics—MAX223/MAX230–MAX241 (continued) (MAX223/230/232/234/236/237/238/240/241, VCC = +5V ±10%; MAX233/MAX235, VCC = +5V ±5%‚ C1–C4 = 1.0µF; MAX231/MAX239, VCC = +5V ±10%; V+ = +7.5V to +13.2V; TA = TMIN to TMAX; unless otherwise noted.) (Note 5) Shutdown (MAX223) VSHDN = 0V, VEN = +5V (R4IN, R5IN) Normal operation VSHDN = +5V (MAX223) VSHDN = 0V (MAX235/236/240/241) RS-232 Input Hysteresis VCC = +5V, no hysteresis in shutdown 0.2 0.5 1.0 V RS-232 Input Resistance TA = +25°C, VCC = +5V 3 5 7 kΩ TTL/CMOS Output Voltage Low IOUT = 1.6mA (MAX231/232/233, IOUT = 3.2mA) 0.4 V TTL/CMOS Output Voltage High IOUT = -1mA 3.5 VCC - 0.4 V TTL/CMOS Output Leakage Current 0V ≤ ROUT ≤ VCC; VEN = 0V (MAX223); VEN = VCC (MAX235–241) ±0.05 ±10 µA MAX223 600 nsReceiver Output Enable Time Normal operation MAX235/236/239/240/241 400 MAX223 900 nsReceiver Output Disable Time Normal operation MAX235/236/239/240/241 250 Normal operation 0.5 10 µsVSHDN = 0V (MAX223) 4 40Propagation Delay RS-232 IN to TTL/CMOS OUT, CL = 150pF 6 40 3 5.1 30 V/µs MAX231/MAX232/MAX233, TA = +25°C, VCC = +5V, RL = 3kΩ to 7kΩ, CL = 50pF to 2500pF, measured from +3V to -3V or -3V to +3V 4 30 Transmitter Output Resistance VCC = V+ = V- = 0V, VOUT = ±2V 300 Ω Transmitter Output Short-Circuit Current ±10 mA tPHLS tPLHS Transition Region Slew Rate MAX223/MAX230/MAX234–241, TA = +25°C, VCC = +5V, RL = 3kΩ to 7kΩ‚ CL = 50pF to 2500pF, measured from +3V to -3V or -3V to +3V Note 5: All units are production tested at hot except for the MAX240, which is production tested at TA = +25°C. Specifications over temperature are guaranteed by design.

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Maxim Integrated | 7www.maximintegrated.com MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers 8.5 6.5 4.5 5.5 TRANSMITTER OUTPUT VOLTAGE (VOH) vs. VCC 7.0 8.0 M A X 2 2 0 -0 4 VCC (V) V O H ( V ) 5.0 7.5 1 TRANSMITTER LOADED 3 TRANS- MITTERS LOADED 4 TRANSMITTERS LOADED 2 TRANSMITTERS LOADED TA = +25°C C1–C4 = 1μF TRANSMITTER LOADS = 3kΩ || 2500pF 7.4 6.0 0 2500 TRANSMITTER OUTPUT VOLTAGE (VOH) vs. LOAD CAPACITANCE AT DIFFERENT DATA RATES 6.4 6.2 7.2 7.0 M A X 2 2 0 -0 5 LOAD CAPACITANCE (pF) V O H ( V ) 15001000500 2000 6.8 6.6 160kb/s 80kb/s 20kb/s TA = +25°C VCC = +5V 3 TRANSMITTERS LOADED RL = 3kΩ C1–C4 = 1μF 12.0 4.0 0 2500 TRANSMITTER SLEW RATE vs. LOAD CAPACITANCE 6.0 5.0 11.0 9.0 10.0 M A X 2 2 0 -0 6 LOAD CAPACITANCE (pF) S LE W R A TE ( V /μ s) 15001000500 2000 8.0 7.0 TA = +25°C VCC = +5V LOADED, RL = 3kΩ C1–C4 = 1μF 1 TRANSMITTER LOADED 2 TRANSMITTERS LOADED 3 TRANSMITTERS LOADED 4 TRANSMITTERS LOADED -6.0 -9.0 4.5 5.5 TRANSMITTER OUTPUT VOLTAGE (VOL) vs. VCC -8.0 -8.5 -6.5 -7.0 M A X 2 2 0 -0 7 VCC (V) V O L (V ) 5.0 -7.5 4 TRANS- MITTERS LOADED TA = +25°C C1–C4 = 1μF TRANSMITTER LOADS = 3kΩ || 2500pF 1 TRANS- MITTER LOADED 2 TRANS- MITTERS LOADED 3 TRANS- MITTERS LOADED -6.0 -7.6 0 2500 TRANSMITTER OUTPUT VOLTAGE (VOL) vs. LOAD CAPACITANCE AT DIFFERENT DATA RATES -7.0 -7.2 -7.4 -6.2 -6.4 M A X 2 2 0 -0 8 LOAD CAPACITANCE (pF) V O L (V ) 15001000500 2000 -6.6 -6.8 160kb/s 80kb/s 20kb/s TA = +25°C VCC = +5V 3 TRANSMITTERS LOADED RL = 3kΩ C1–C4 = 1μF 10 -10 0 5 10 15 20 25 30 35 40 45 50 TRANSMITTER OUTPUT VOLTAGE (V+, V-) vs. LOAD CURRENT -2 -6 -4 -8 8 6 M A X 2 2 0 -0 9 CURRENT (mA) V +, V - (V ) 4 2 0 V+ AND V- EQUALLY LOADED V- LOADED, NO LOAD ON V+ TA = +25°C VCC = +5V C1–C4 = 1μF ALL TRANSMITTERS UNLOADED V+ LOADED, NO LOAD ON V- Typical Operating Characteristics MAX223/MAX230–MAX241 *SHUTDOWN POLARITY IS REVERSED FOR NON MAX241 PARTS V+, V- WHEN EXITING SHUTDOWN (1μF CAPACITORS) MAX220-13 VSHDN* V- O V+ 500ms/div

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Maxim Integrated | 8www.maximintegrated.com MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Input Logic-Low Voltage Absolute Maximum Ratings—MAX225/MAX244–MAX249 Electrical Characteristics—MAX225/MAX244–MAX249 (MAX225, VCC = +5.0V ±5%; MAX244–MAX249, VCC = +5.0V ±10%, external capacitors C1–C4 = 1µF; TA = TMIN to TMAX; unless otherwise noted.) (Note 7) Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (Voltages referenced to GND.) Supply Voltage (VCC) ...............................................-0.3V to +6V Input Voltages TIN‚ ENA, ENB, ENR, ENT, ENRA, ENRB, ENTA, ENTB..................................-0.3V to (VCC + 0.3V) RIN .....................................................................................±25V TOUT (Note 6)....................................................................±15V ROUT........................................................-0.3V to (VCC + 0.3V) Short Circuit Duration (one output at a time) TOUT to GND...........................................................Continuous ROUT to GND...........................................................Continuous Continuous Power Dissipation (TA = +70°C) 28-Pin Wide SO (derate 12.50mW/°C above +70°C) .............1W 40-Pin Plastic DIP (derate 11.11mW/°C above +70°C) ...611mW 44-Pin PLCC (derate 13.33mW/°C above +70°C) ...........1.07W Operating Temperature Ranges MAX225C_ _, MAX24_C_ _ ..................................0°C to +70°C MAX225E_ _, MAX24_E_ _ ...............................-40°C to +85°C Storage Temperature Range .............................-65°C to +160°C Lead Temperature (soldering,10s)) .................................+300°C Soldering Temperature (reflow) 40 PDIP (P40M-2) ..........................................................+225°C All other lead(Pb)-free packages...................................+260°C All other packages containing lead(Pb) ........................+240°C VCC = 0V, VOUT = ±15V µATables 1a–1d ±0.01 ±25 Normal operation Shutdown Tables 1a–1d, normal operation All transmitter outputs loaded with 3kΩ to GND VENA, VENB, VENT, VENTA, VENTB = VCC, VOUT = ±15V VRS-232 Input Hysteresis RS-232 Input Logic-Low Voltage V V±5 ±7.5Output Voltage Swing Output Leakage Current (Shutdown) ±0.01 ±25 Ω300 10MVCC = V+ = V- = 0V, VOUT = ±2V (Note 8)Transmitter Output Resistance µA PARAMETER ±0.05 ±0.10 MIN TYP MAX UNITS Normal operation, outputs disabled, Tables 1a–1d, 0V ≤ VOUT ≤ VCC, VENR_ = VCC TTL/CMOS Output Leakage Current 10 30Sinking VOUT = VCC mA -2 -10Sourcing VOUT = VGND V3.5 VCC - 0.2IOUT = -1.0mATTL/CMOS Output Voltage High V0.2 0.4IOUT = 3.2mATTL/CMOS Output Voltage Low kΩ3 5 7 0.2 0.5 1.0VCC = +5V 1.4 0.8 V TTL/CMOS Output Short-Circuit Current V1.8 2.4 0.8 1.3VCC = +5V RS-232 Input Resistance V±25RS-232 Input Voltage Operating Range mA±7 ±30VOUT = 0VOutput Short-Circuit Current kbps120 64Data Rate CONDITIONS VCC = +5V µA ±0.01 ±1 Logic Pullup/lnput Current 10 50 Tables 1a–1d RS-232 Input Logic-High Voltage V2 1.4Input Logic-High Voltage RS-232 TRANSMITTERS RS-232 RECEIVERS Note 6: Input voltage measured with transmitter output in a high-impedance state, shutdown, or VCC = 0V.

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MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers Maxim Integrated | 9www.maximintegrated.com Supply Voltage Range 4.75 5.25 V Transmitter Enable Time MAX225 10 20 tET No load MAX244–MAX249 11 30 5 10 30 MAX225 40 VCC Supply Current (Normal Operation) 3kΩ loads on all outputs MAX244–MAX249 57 mA Transition Slew Rate 8 25 CL = 50pF to 2500pF, RL = 3kΩ to 7kΩ, VCC = +5V, TA = +25°C, measured from +3V to -3V or -3V to +3V TA = TMIN to TMAX CONDITIONS 50 V/µs MAX246–MAX249 (excludes charge-pump startup) Shutdown Supply Current µA 5 tPHLT, Figure 1 1.3 3.5 µs tPLHT, Figure 1 1.5 3.5 Transmitter Disable Time Transmitter Propagation Delay TLL to RS-232 (Normal Operation) µs tDT, Figure 4 100 ns Transmitter + to - Propagation Delay Difference (Normal Operation) tPHLT - tPLHT UNITSMIN TYP MAX 350 PARAMETER ns Receiver + to - Propagation Delay Difference (Normal Operation) tPHLR - tPLHR 350 ns 4.5 5.5MAX244–MAX249 MAX225 Leakage current ±1 Logic-low voltage 1.4 0.8Control Input Logic-high voltage 2.4 1.4 V µA TA = +25°C tPHLR, Figure 2 0.6 1.5 tPLHR, Figure 2 0.6 1.5 Receiver Propagation Delay TLL to RS-232 (Normal Operation) µs tPHLS, Figure 2 0.6 10 tPLHS, Figure 2 3.0 10 Receiver Propagation Delay TLL to RS-232 (Low-Power Mode) µs Receiver-Output Enable Time tER, Figure 3 100 500 ns Receiver-Output Disable Time tDR, Figure 3 100 500 ns MAX225/MAX245–MAX249 (includes charge-pump startup) 10 ms POWER SUPPLY AND CONTROL LOGIC AC CHARACTERISTICS Note 7: All units production tested at hot. Specifications over temperature are guaranteed by design. Note 8: The 300Ω minimum specification complies with EIA/TIA-232E, but the actual resistance when in shutdown mode or VCC = 0V is 10MΩ as is implied by the leakage specification. Electrical Characteristics—MAX225/MAX244–MAX249 (continued) (MAX225, VCC = +5.0V ±5%; MAX244–MAX249, VCC = +5.0V ±10%, external capacitors C1–C4 = 1µF; TA = TMIN to TMAX; unless otherwise noted.) (Note 7)

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November 16, 2020

Outstanding supplier! Heisener is on a very short list of suppliers I can recommend. From stock, pricing, ease of ordering and great service, they get it all.

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November 15, 2020

Perfectly functioning!! on time and as described!

Natha*****odges

October 27, 2020

Very pleased purchasing experience, would definitely buy again.

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October 22, 2020

Great kit, cost half the price of other stores. Includes most items that someone would need.

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October 20, 2020

This product is very easy to replace and solved my problem.

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October 17, 2020

There are cheaper ones out there but this one really take the guessing game out.

Joe***** Bera

October 14, 2020

I was able to make my list of needed parts and use suggested relative selection. The five stars represent the fact they show inventory quantity. So far i'm happy.

Mar*****ass

October 11, 2020

They were easy to work with and did what I expected.

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