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MAX3074EESA+

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MAX3074EESA+

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Part Number MAX3074EESA+
Manufacturer Maxim Integrated
Description IC TXRX RS485/422 8-SOIC
Datasheet MAX3074EESA+ Datasheet
Package 8-SOIC (0.154", 3.90mm Width)
In Stock 478 piece(s)
Unit Price $ 3.5700 *
Lead Time Can Ship Immediately
Estimated Delivery Time Nov 2 - Nov 7 (Choose Expedited Shipping)
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Part Number # MAX3074EESA+ (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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MAX3074EESA+ Specifications

ManufacturerMaxim Integrated
CategoryIntegrated Circuits (ICs) - Interface - Drivers, Receivers, Transceivers
Datasheet MAX3074EESA+Datasheet
Package8-SOIC (0.154", 3.90mm Width)
Series-
TypeTransceiver
ProtocolRS422, RS485
Number of Drivers/Receivers1/1
DuplexFull
Receiver Hysteresis100mV
Data Rate500kbps
Voltage - Supply3 V ~ 3.6 V
Operating Temperature-40°C ~ 85°C
Mounting TypeSurface Mount
Package / Case8-SOIC (0.154", 3.90mm Width)
Supplier Device Package8-SOIC

MAX3074EESA+ Datasheet

Page 1

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General Description The MAX3070E–MAX3079E 3.3V, ±15kV ESD-protected, RS-485/RS-422 transceivers feature one driver and one receiver. These devices include fail-safe circuitry, guaranteeing a logic-high receiver output when receiver inputs are open or shorted. The receiver outputs a logic-high if all transmitters on a terminated bus are disabled (high impedance). The devices include a hot-swap capability to eliminate false transitions on the bus during power-up or hot insertion. The MAX3070E/MAX3071E/MAX3072E feature reduced slew-rate drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error- free data transmission up to 250kbps. The MAX3073E/ MAX3074E/MAX3075E also feature slew-rate-limited drivers but allow transmit speeds up to 500kbps. The MAX3076E/MAX3077E/MAX3078E driver slew rates are not limited, making transmit speeds up to 16Mbps possible. The MAX3079E slew rate is pin-selectable for 250kbps, 500kbps, and 16Mbps. The MAX3072E/MAX3075E/MAX3078E are intended for half-duplex communications, and the MAX3070E/ MAX3071E/MAX3073E/MAX3074E/MAX3076E/ MAX3077E are intended for full-duplex communications. The MAX3079E is selectable for half-duplex or full-duplex operation. It also features independently programmable receiver and transmitter output phase through separate pins. The MAX3070E–MAX3079E transceivers draw 800μA of supply current when unloaded, or when fully loaded with the drivers disabled. All devices have a 1/8-unit load receiver input impedance, allowing up to 256 transceivers on the bus. Applications ● Lighting Systems ● Industrial Control ● Telecom ● Security Systems ● Instrumentation Benefits and Features ● Protection for Robust Performance • ±15kV Human Body Model ESD on I/O Pins • True Fail-Safe Receiver While Maintaining EIA/TIA-485 Compatibility • Enhanced Slew-Rate-Limiting Facilitates Error- Free Data Transmission (MAX3070E-MAX3075E/ MAX3079E) • Hot-Swap Input Structure on DE and RE ● Flexible Feature Set for Ease of Design • Pin-Selectable Full/Half-Duplex Operation (MAX3079E) • Phase Controls to Correct for Twisted-Pair Reversal (MAX3079E) • Allows up to 256 Transceivers on the Bus • Available in Industry-Standard SO and DIP packages ● 10µA Shutdown Current Mode for Power Savings (Except MAX3071E/MAX3074E/MAX3077E) 19-2668; Rev 4; 1/16 Ordering Information at end of data sheet. Selector Guide, Pin Configurations, and Typical Operating Circuits appear at end of data sheet. MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers

Page 3

(All voltages referenced to GND) Supply Voltage (VCC) ............................................................+6V Control Input Voltage (RE, DE, SLR, H/F, TXP, RXP) ....................................................-0.3V to +6V Driver Input Voltage (DI) ..........................................-0.3V to +6V Driver Output Voltage (Z, Y, A, B) ............................-8V to +13V Receiver Input Voltage (A, B) ...................................-8V to +13V Receiver Input Voltage Full Duplex (A, B) .................................................-8V to +13V Receiver Output Voltage (RO) ................. -0.3V to (VCC + 0.3V) Driver Output Current .....................................................±250mA Continuous Power Dissipation (TA = +70°C) 8-Pin SO (derate 5.88mW/°C above +70°C) ...............471mW 8-Pin Plastic DIP (derate 9.09mW/°C above +70°C) ..727mW 14-Pin SO (derate 8.33mW/°C above +70°C) .............667mW 14-Pin Plastic DIP (derate 10.0mW/°C above +70°C) .. 800mW Operating Temperature Ranges MAX307_EE_ _ .............................................. -40°C to +85°C MAX307_EA_ _ ............................................ -40°C to +125°C MAX3077EMSA ............................................ -55°C to +125°C Junction Temperature ......................................................+150°C Storage Temperature Range ............................ -65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C (VCC = 3.3V ±10%, TA =TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (Note 1) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS DRIVER Differential Driver Output VOD RL = 100Ω (RS422), Figure 1 2 VCC VRL = 54Ω (RS485), Figure 1 1.5 VCC No load VCC Change in Magnitude of Differential Output Voltage ΔVOD RL = 100Ω or 54Ω, Figure 1 (Note 2) 0.2 V Driver Common-Mode Output Voltage VOC RL = 100Ω or 54Ω, Figure 1 VCC/2 3 V Change in Magnitude of Common-Mode Voltage ΔVOC RL = 100Ω or 54Ω, Figure 1 (Note 2) 0.2 V Input High Voltage VIH DE, DI, RE, TXP, RXP, H/F 2 V Input Low Voltage VIL DE, DI, RE, TXP, RXP, H/F 0.8 V Input Hysteresis VHYS DE, DI, RE, TXP, RXP, H/F 100 mV Input Current IIN1 DE, DI, RE ±1 µA Input Impedance First Transition DE 1 10 kΩ Input Current IIN2 TXP, RXP, H/F internal pulldown 10 40 µA SRL Input High Voltage VCC - 0.4 V SRL Input Middle Voltage VCC x 0.4 VCC x 0.6 V SRL Input Low Voltage 0.4 V SRL Input Current SRL = VCC 75 µA SRL = GND -75 Output Leakage (Y and Z) Full Duplex IO DE = GND, VCC = GND or 3.6V VIN = +12V 125 µA VIN = -7V -100 MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers www.maximintegrated.com Maxim Integrated │ 2 Absolute Maximum Ratings 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. DC Electrical Characteristics

Page 4

(VCC = 3.3V ±10%, TA =TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (Note 1) Note 1: All currents into the device are positive. All currents out of the device are negative. All voltages are referred to device ground, unless otherwise noted. Note 2: ΔVOD and ΔVOC are the changes in VOD and VOC, respectively, when the DI input changes state. Note 3: The short-circuit output current applies to peak current just prior to foldback current limiting. The short-circuit foldback output current applies during current limiting to allow a recovery from bus contention. PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Short-Circuit Output Current IOSD 0 ≤ VOUT ≤ 12V (Note 3) 40 250 mA -7V ≤ VOUT ≤ VCC (Note 3) -250 -40 Driver Short-Circuit Foldback Output Current IOSDF (VCC - 1V) ≤ VOUT ≤ 12V (Note 3) 20 mA -7V ≤ VOUT ≤ 1V (Note 3) -20 Thermal-Shutdown Threshold TTS 175 °C Thermal-Shutdown Hysteresis TTSH 15 °C Input Current (A and B) IA, B DE = GND, VCC = GND or 3.6V VIN = +12V 125 µA VIN = -7V -100 RECEIVER Receiver Differential Threshold Voltage VTH -7V ≤ VCM ≤ 12V -200 -125 -50 mV Receiver Input Hysteresis ΔVTH VA + VB = 0V 15 mV RO Output High Voltage VOH IO = -1mA VCC - 0.6 V RO Output Low Voltage VOL IO = 1mA 0.4 V Three-State Output Current at Receiver IOZR 0 ≤ VO ≤ VCC ±1 µA Receiver Input Resistance RIN -7V ≤ VCM ≤ 12V 96 kΩ Receiver Output Short-Circuit Current IOSR 0V ≤ VRO ≤ VCC ±80 mA SUPPLY CURRENT Supply Current ICC No load, RE = 0, DE = VCC 0.8 1.5 mANo load, RE = VCC, DE = VCC 0.8 1.5 No load, RE = 0, DE = 0 0.8 1.5 Supply Current in Shutdown Mode ISHDN RE = VCC, DE = GND 0.05 10 µA ESD PROTECTION ESD Protection for Y, Z, A, and B Human Body Model ±15 kV MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers www.maximintegrated.com Maxim Integrated │ 3 DC Electrical Characteristics (continued)

Page 5

(VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Propagation Delay tDPLH CL= 50pF, RL= 54Ω, Figures 2 and 3 250 1500 ns tDPHL 250 1500 Driver Differential Output Rise or Fall Time tDR , tDF CL= 50pF, RL= 54Ω, Figures 2 and 3 350 1600 ns Differential Driver Output Skew |tDPLH - tDPHL| tDSKEW CL= 50pF, RL= 54Ω, Figures 2 and 3 200 ns Maximum Data Rate 250 kbps Driver Enable to Output High tDZH Figure 4 2500 ns Driver Enable to Output Low tDZL Figure 5 2500 ns Driver Disable Time from Low tDLZ Figure 5 100 ns Driver Disable Time from High tDHZ Figure 4 100 ns Driver Enable from Shutdown to Output High tDZH(SHDN) Figure 4 5500 ns Driver Enable from Shutdown to Output Low tDZL(SHDN) Figure 5 5500 ns Time to Shutdown tSHDN 50 200 600 ns PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Receiver Propagation Delay tRPLH CL = 15pF, Figures 6 and 7 200 ns tRPHL 200 Receiver Output Skew |tRPLH - tRPHL| tRSKEW CL = 15pF, Figures 6 and 7 30 ns Maximum Data Rate 250 kbps Receiver Enable to Output Low tRZL Figure 8 50 ns Receiver Enable to Output High tRZH Figure 8 50 ns Receiver Disable Time from Low tRLZ Figure 8 50 ns Receiver Disable Time from High tRHZ Figure 8 50 ns Receiver Enable from Shutdown to Output High tRZH(SHDN) Figure 8 4000 ns Receiver Enable from Shutdown to Output Low tRZL(SHDN) Figure 8 4000 ns Time to Shutdown tSHDN 50 200 600 ns MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers www.maximintegrated.com Maxim Integrated │ 4 Driver Switching Characteristics MAX3070E/MAX3071E/MAX3072E/MAX3079E with SRL = UNCONNECTED (250kbps) Receiver Switching Characteristics MAX3070E/MAX3071E/MAX3072E/MAX3079E with SRL = UNCONNECTED (250kbps) Switching Characteristics

Page 6

(VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Propagation Delay tDPLH CL = 50pF, RL = 54Ω, Figures 2 and 3 180 800 ns tDPHL 180 800 Driver Differential Output Rise or Fall Time tDR , tDF CL = 50pF, RL = 54Ω, Figures 2 and 3 200 800 ns Differential Driver Output Skew |tDPLH - tDPHL| tDSKEW CL = 50pF, RL = 54Ω, Figures 2 and 3 100 ns Maximum Data Rate 500 kbps Driver Enable to Output High tDZH Figure 4 2500 ns Driver Enable to Output Low tDZL Figure 5 2500 ns Driver Disable Time from Low tDLZ Figure 5 100 ns Driver Disable Time from High tDHZ Figure 4 100 ns Driver Enable from Shutdown to Output High tDZH(SHDN) Figure 4 4500 ns Driver Enable from Shutdown to Output Low tDZL(SHDN) Figure 5 4500 ns Time to Shutdown tSHDN 50 200 600 ns PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Receiver Propagation Delay tRPLH CL = 15pF, Figures 6 and 7 200 ns tRPHL 200 Receiver Output Skew |tRPLH - tRPHL| tRSKEW CL = 15pF, Figures 6 and 7 30 ns Maximum Data Rate 500 kbps Receiver Enable to Output Low tRZL Figure 8 50 ns Receiver Enable to Output High tRZH Figure 8 50 ns Receiver Disable Time from Low tRLZ Figure 8 50 ns Receiver Disable Time from High tRHZ Figure 8 50 ns Receiver Enable from Shutdown to Output High tRZH(SHDN) Figure 8 4000 ns Receiver Enable from Shutdown to Output Low tRZL(SHDN) Figure 8 4000 ns Time to Shutdown tSHDN 50 200 600 ns MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers www.maximintegrated.com Maxim Integrated │ 5 Driver Switching Characteristics MAX3073E/MAX3074E/MAX3075E/MAX3079E with SRL = VCC (500kbps) Receiver Switching Characteristics MAX3073E/MAX3074E/MAX3075E/MAX3079E with SRL = VCC (500kbps)

Page 7

(VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) (VCC = 3.3V ±10%, TA = TMIN to TMAX, unless otherwise noted. Typical values are at VCC = 3.3V and TA = +25°C.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Driver Propagation Delay tDPLH CL = 50pF, RL= 54Ω, Figures 2 and 3 50 ns tDPHL 50 Driver Differential Output Rise or Fall Time tDR , tDF CL = 50pF, RL= 54Ω, Figures 2 and 3 15 ns Differential Driver Output Skew |tDPLH - tDPHL| tDSKEW CL = 50pF, RL= 54Ω, Figures 2 and 3 8 ns Maximum Data Rate 16 Mbps Driver Enable to Output High tDZH Figure 4 150 ns Driver Enable to Output Low tDZL Figure 5 150 ns Driver Disable Time from Low tDLZ Figure 5 100 ns Driver Disable Time from High tDHZ Figure 4 100 ns Driver Enable from Shutdown to Output High tDZH(SHDN) Figure 4 1250 1800 ns Driver Enable from Shutdown to Output Low tDZL(SHDN) Figure 5 1250 1800 ns Time to Shutdown tSHDN 50 200 600 ns PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Receiver Propagation Delay tRPLH CL = 15pF, Figures 6 and 7 40 75 ns tRPHL 40 75 Receiver Output Skew |tRPLH - tRPHL| tRSKEW CL = 15pF, Figures 6 and 7 8 ns Maximum Data Rate 16 Mbps Receiver Enable to Output Low tRZL Figure 8 50 ns Receiver Enable to Output High tRZH Figure 8 50 ns Receiver Disable Time from Low tRLZ Figure 8 50 ns Receiver Disable Time from High tRHZ Figure 8 50 ns Receiver Enable from Shutdown to Output High tRZH(SHDN) Figure 8 1800 ns Receiver Enable from Shutdown to Output Low tRZL(SHDN) Figure 8 1800 ns Time to Shutdown tSHDN 50 200 600 ns MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers www.maximintegrated.com Maxim Integrated │ 6 Driver Switching Characteristics MAX3076E/MAX3077E/MAX3078E/MAX3079E with SRL = GND (16Mbps) Receiver Switching Characteristics MAX3076E/MAX3077E/MAX3078E/MAX3079E with SRL = GND (16Mbps)

Page 8

(VCC = 3.3V, TA = +25°C, unless otherwise noted. Note: The MAX3077EMSA/PR meets specification over temperature.) OUTPUT CURRENT vs. RECEIVER OUTPUT HIGH VOLTAGE M AX 30 70 E to c0 2 OUTPUT HIGH VOLTAGE (V) OU TP UT C UR RE NT (m A) 3.02.52.01.51.00.5 5 10 15 20 25 30 0 0 3.5 OUTPUT CURRENT vs. RECEIVER OUTPUT LOW VOLTAGE M AX 30 70 E to c0 3 OUTPUT HIGH VOLTAGE (V) OU TP UT C UR RE NT (m A) 3.02.52.01.51.00.5 5 10 15 20 25 30 35 0 0 3.5 RECEIVER OUTPUT HIGH VOLTAGE vs. TEMPERATURE M AX 30 70 E to c0 4 TEMPERATURE (°C) OU TP UT H IG H VO LT AG E (V ) 1007550250-25 3.05 3.10 3.15 3.20 3.25 3.30 3.00 -50 125 IO = -1mA RECEIVER OUTPUT LOW VOLTAGE vs. TEMPERATURE M AX 30 70 E to c0 5 TEMPERATURE (°C) OU TP UT LO W V OL TA GE (V ) 10075-25 0 25 50 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0 -50 125 IO = -1mA DRIVER OUTPUT CURRENT vs. DIFFERENTIAL OUTPUT VOLTAGE M AX 30 70 E to c0 6 DIFFERENTIAL OUTPUT VOLTAGE (V) OU TP UT C UR RE NT (m A) 3.02.51.5 2.01.00.5 10 20 30 40 50 60 70 80 90 100 0 0 3.5 DRIVER DIFFERENTIAL OUTPUT VOLTAGE vs. TEMPERATURE XM AX 30 70 E to c0 7 TEMPERATURE (°C) DI FF ER EN TI AL O UT PU T VO LT AG E (V ) 1007525 500-25 1.70 1.80 1.90 2.00 2.10 2.20 2.30 2.40 2.50 2.60 1.60 -50 125 RL = 54Ω SUPPLY CURRENT vs. TEMPERATURE M AX 30 70 E to c0 1 TEMPERATURE (°C) SU PP LY C UR RE NT (m A) 1007550250-25 0.6 0.7 0.8 0.9 1.0 0.5 -50 125 DE = VCC DE = 0 OUTPUT CURRENT vs. TRANSMITTER OUTPUT HIGH VOLTAGE M AX 30 70 E to c0 8 OUTPUT HIGH VOLTAGE (V) OU TP UT C UR RE NT (m A) 32-6 -5 -4 -2 -1 0-3 1 20 40 60 80 100 120 140 160 0 -7 4 OUTPUT CURRENT vs. TRANSMITTER OUTPUT LOW VOLTAGE M AX 30 70 E to c0 9 OUTPUT LOW VOLTAGE (V) OU TP UT C UR RE NT (m A) 108642 20 40 60 80 100 120 140 160 180 0 0 12 MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers Maxim Integrated │ 7www.maximintegrated.com Typical Operating Characteristics

Page 9

(VCC = 3.3V, TA = +25°C, unless otherwise noted. Note: The MAX3077EMSA/PR meets specification over temperature.) SHUTDOWN CURRENT vs. TEMPERATURE M AX 30 70 E to c1 0 TEMPERATURE (°C) SH UT DO W N CU RR EN T (m A) 1007525 500-25 0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6 1.8 2.0 0 -50 125 DRIVER PROPAGATION DELAY vs. TEMPERATURE (250kbps) M AX 30 70 E to c1 1 TEMPERATURE (°C) DR IV ER P RO PA GA TI ON D EL AY (n s) 1007550250-25 600 700 800 900 1000 500 -50 125 tDPLH tDPHL DRIVER PROPAGATION DELAY vs. TEMPERATURE (500kbps) M AX 30 70 E to c1 2 TEMPERATURE (°C) DR IV ER P RO PA GA TI ON D EL AY (n s) 1007550250-25 250 300 350 400 450 500 200 -50 125 tDPLH tDPHL DRIVER PROPAGATION DELAY vs. TEMPERATURE (16Mbps) M AX 30 70 E to c1 3 TEMPERATURE (°C) DR IV ER P RO PA GA TI ON D EL AY (n s) 1007550250-25 5 10 15 20 25 30 0 -50 125 tDPLH tDPHL RECEIVER PROPAGATION DELAY vs. TEMPERATURE (250kbps AND 500kbps) M AX 30 70 E to c1 4 TEMPERATURE (°C) DR IV ER P RO PA GA TI ON D EL AY (n s) 1007550250-25 30 60 90 120 150 0 -50 125 tDPLH tDPHL RECEIVER PROPAGATION DELAY vs. TEMPERATURE (16Mbps) M AX 30 70 E to c1 5 TEMPERATURE (°C) RE CE IV ER P RO PA GA TI ON D EL AY (n s) 1007550250-25 10 20 30 40 50 60 70 0 -50 125 tDPLH tDPHL DRIVER PROPAGATION DELAY (250kbps) MAX3070E toc16 1µs/div VY - VZ 2V/div DI 2V/div RECEIVER PROPAGATION DELAY (250kbps AND 500kbps) MAX3070E toc17 200ns/div VA - VB 1V/div RO 2V/div MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers Maxim Integrated │ 8www.maximintegrated.com Typical Operating Characteristics (continued)

Page 10

(VCC = 3.3V, TA = +25°C, unless otherwise noted. Note: The MAX3077EMSA/PR meets specification over temperature.) Figure 1. Driver DC Test Load Figure 2. Driver Timing Test Circuit Figure 3. Driver Propagation Delays DRIVER PROPAGATION DELAY (500kbps) MAX3070E toc18 400ns/div VY - VZ 2V/div DI 2V/div DRIVER PROPAGATION DELAY (16Mbps) MAX3070E toc19 10ns/div VZ 1V/div VY 1V/div DI 2V/div RECEIVER PROPAGATION DELAY (16Mbps) MAX3070E toc20 20ns/div VA 1V/div VB 1V/div RO 2V/div Y Z VOD VOC RL/2 RL/2 DI VCC 0 Z Y VO 0 -VO VO VCC/2 tDPLH tDPHL 1/2 VO 10% tDR 90% 90% 1/2 VO 10% tDF VDIFF = V (Y) - V (Z) VDIFF tSKEW = | tDPLH - tDPHL | DI DE 3V Z Y VOD RL CL MAX3070E–MAX3079E +3.3V, ±15kV ESD-Protected, Fail-Safe, Hot-Swap, RS-485/RS-422 Transceivers Maxim Integrated │ 9www.maximintegrated.com Typical Operating Characteristics (continued) Test Circuits and Waveforms

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