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74VCX245BQX

hot 74VCX245BQX

74VCX245BQX

For Reference Only

Part Number 74VCX245BQX
Manufacturer Fairchild/ON Semiconductor
Description IC TRANSCVR BIDIRECT LV 20QFN
Datasheet 74VCX245BQX Datasheet
Package 20-WFQFN Exposed Pad
In Stock 587 piece(s)
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74VCX245BQX

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74VCX245BQX Specifications

ManufacturerFairchild/ON Semiconductor
CategoryIntegrated Circuits (ICs) - Logic - Buffers, Drivers, Receivers, Transceivers
Datasheet 74VCX245BQX Datasheet
Package20-WFQFN Exposed Pad
Series74VCX
Logic TypeTransceiver, Non-Inverting
Number of Elements1
Number of Bits per Element8
Output TypePush-Pull
Current - Output High, Low24mA, 24mA
Voltage - Supply1.4 V ~ 3.6 V
Operating Temperature-40°C ~ 85°C (TA)
Mounting TypeSurface Mount
Package / Case20-WFQFN Exposed Pad
Supplier Device Package20-DQFN (2.5x4.5)

74VCX245BQX Datasheet

Page 1

Page 2

To learn more about ON Semiconductor, please visit our website at www.onsemi.com Please note: As part of the Fairchild Semiconductor integration, some of the Fairchild orderable part numbers will need to change in order to meet ON Semiconductor’s system requirements. Since the ON Semiconductor product management systems do not have the ability to manage part nomenclature that utilizes an underscore (_), the underscore (_) in the Fairchild part numbers will be changed to a dash (-). This document may contain device numbers with an underscore (_). Please check the ON Semiconductor website to verify the updated device numbers. The most current and up-to-date ordering information can be found at www.onsemi.com. Please email any questions regarding the system integration to Fairchild_questions@onsemi.com. Is Now Part of ON Semiconductor and the ON Semiconductor logo are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries in the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property. A listing of ON Semiconductor’s product/patent coverage may be accessed at www.onsemi.com/site/pdf/Patent-Marking.pdf. ON Semiconductor reserves the right to make changes without further notice to any products herein. ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, regulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the rights of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner.

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© 2013 Fairchild Semiconductor Corporation DS500167 www.fairchildsemi.com June 1999 Revised December 2013 7 4 V C X 2 4 5 L o w V o lta g e B id ire c tio n a l T ra n s c e iv e r w ith 3 .6 V T o le ra n t In p u ts a n d O u tp u ts 74VCX245 Low Voltage Bidirectional Transceiver with 3.6V Tolerant Inputs and Outputs General Description The VCX245 contains eight non-inverting bidirectional buff- ers with 3-STATE outputs and is intended for bus oriented applications. The T/R input determines the direction of data flow. The OE input disables both the A and B ports by plac- ing them in a high impedance state. The 74VCX245 is designed for low voltage (1.4V to 3.6V) VCC applications with I/O compatibility up to 3.6V. The 74VCX245 is fabricated with an advanced CMOS technology to achieve high-speed operation while main- taining low CMOS power dissipation. Features ■1.4V to 3.6V VCC supply operation ■3.6V tolerant inputs and outputs ■Power-off high impedance inputs and outputs ■Supports Live Insertion and Withdrawal (Note 1) ■ tPD 3.5 ns max for 3.0V to 3.6V VCC ■Static Drive (IOH/IOL) r24 mA @ 3.0V VCC circuitry ■Latchup performance exceeds 300 mA ■ESD performance: Human body model ! 2000V Machine model ! 200V ■Leadless DQFN Pb-Free package Note 1: To ensure the high impedance state during power up and power down, OEn should be tied to VCC through a pull up resistor. The minimum value of the resistor is determined by the current sourcing capability of the driver. Ordering Code: Pb-Free package per JEDEC J-STD-020B. Note 2: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Note 3: DQFN package available in Tape and Reel only, Logic Symbol Pin Descriptions Order Number Package Number Package Description 74VCX245WM (Note 2) M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74VCX245BQX (Note 3) MLP020B Pb-Free 20-Terminal Depopulated Quad Very-Thin Flat Pack No Leads (DQFN), JEDEC MO-241, 2.5 x 4.5mm 74VCX245MTC (Note 2) MTC20 20-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide Pin Names Description OE Output Enable Input (Active LOW) T/R Transmit/Receive Input A0–A7 Side A Inputs or 3-STATE Outputs B0–B7 Side B Inputs or 3-STATE Outputs ■Uses proprietary noise/EMI reduction DAP No Connect Note: DAP (Die Attach Pad)

Page 4

www.fairchildsemi.com 2 7 4 V C X 2 4 5 Connection Diagrams Pin Assignments for SOIC and TSSOP Pin Assignment for DQFN (Top Through View) Truth Table H HIGH Voltage Level L LOW Voltage Level X Immaterial Z High Impedance Note 4: Unused bus terminals during HIGH Z State must be held HIGH or LOW. Logic Diagram Inputs Outputs OE T/R L L Bus B0–B7 Data to Bus A0–A7 L H Bus A0–A7 Data to Bus B0–B7 H X HIGH Z State on A0–A7, B0–B7 (Note 4) (Bottom View)

Page 5

3 www.fairchildsemi.com 7 4 V C X 2 4 5 Absolute Maximum Ratings(Note 5) Recommended Operating Conditions (Note 7) Note 5: The Absolute Maximum Ratings are those values beyond which the safety of the device cannot be guaranteed. The device should not be operated at these limits. The parametric values defined in the Electrical Characteristics tables are not guaranteed at the Absolute Maximum Rat- ings. The “Recommended Operating Conditions” table will define the condi- tions for actual device operation. Note 6: IO Absolute Maximum Rating must be observed. Note 7: Floating or unused inputs must be held HIGH or LOW. DC Electrical Characteristics Supply Voltage (VCC) 0.5V to 4.6V DC Input Voltage (VI) 0.5V to 4.6V DC Output Voltage (VO) Outputs 3-STATE 0.5V to 4.6V Outputs Active (Note 6) 0.5V to VCC  0.5V DC Input Diode Current (IIK) VI  0V 50 mA DC Output Diode Current (IOK) VO  0V 50 mA VO ! VCC 50 mA DC Output Source/Sink Current (IOH/IOL) r50 mA DC VCC or Ground Current r100 mA Storage Temperature (TSTG) 65qC to 150qC Power Supply Operating 1.4V to 3.6V Input Voltage 0.3V to 3.6V Output Voltage (VO) Output in Active States 0V to VCC Output in 3-STATE 0V to 3.6V Output Current in IOH/IOL VCC 3.0V to 3.6V r24 mA VCC 2.3V to 2.7V r18 mA VCC 1.65V to 2.3V r6 mA VCC 1.4V to 1.6V r2 mA Free Air Operating Temperature (TA) 40qC to 85qC Minimum Input Edge Rate ('t/'V) VIN 0.8V to 2.0V, VCC 3.0V 10 ns/V Symbol Parameter Conditions VCC Min Max Units (V) VIH HIGH Level Input Voltage 2.7 to 3.6 2.0 V 2.3 to 2.7 1.6 1.65 to 2.3 0.65 u VCC 1.4 to 1.6 0.65 u VCC VIL LOW Level Input Voltage 2.7 to 3.6 0.8 V 2.3 to 2.7 0.7 1.65 to 2.3 0.35 u VCC 1.4 to 1.6 0.35 u VCC VOH HIGH Level Output Voltage IOH 100 PA 2.7 to 3.6 VCC  0.2 V IOH 12 mA 2.7 2.2 IOH 18 mA 3.0 2.4 IOH 24 mA 3.0 2.2 IOH 100 PA 2.3 to 2.7 VCC  0.2 IOH 6 mA 2.3 2.0 IOH 12 mA 2.3 1.8 IOH 18 mA 2.3 1.7 IOH 100 PA 1.65 to 2.3 VCC  0.2 IOH 6 mA 1.65 1.25 IOH 100 PA 1.4 to 1.6 VCC  0.2 IOH 2 mA 1.4 1.05

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www.fairchildsemi.com 4 7 4 V C X 2 4 5 DC Electrical Characteristics (Continued) Note 8: Outputs disabled or 3-STATE only. AC Electrical Characteristics (Note 9) Note 9: For CL 50PF, add approximately 300 ps to the AC maximum specification. Note 10: Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device. The specification applies to any outputs switching in the same direction, either HIGH-to-LOW (tOSHL) or LOW-to-HIGH (tOSLH). Symbol Parameter Conditions VCC Min Max Units (V) VOL LOW Level Output Voltage IOL 100 PA 2.7 to 3.6 0.2 V IOL 12 mA 2.7 0.4 IOL 18 mA 3.0 0.4 IOL 24 mA 3.0 0.55 IOL 100 PA 2.3 to 2.7 0.2 IOL 12 mA 2.3 0.4 IOL 18 mA 2.3 0.6 IOL 100 PA 1.65 to 2.3 0.2 IOL 6 mA 1.65 0.3 IOL 100 PA 1.4 to 1.6 0.2 IOL 2 mA 1.4 0.35 II Input Leakage Current 0 d VI d 3.6V 1.4 to 3.6 r5.0 PA IOZ 3-STATE Output Leakage 0 d VO d 3.6V 1.4 to 3.6 r10 PA VI VIH or VIL IOFFI Power-OFF Leakage Current 0 d (VI, VO) d 3.6V 0 10 PA ICC Quiescent Supply Current VI VCC or GND 1.4 to 3.6 20 PA VCC d (VI, VO) d 3.6V (Note 8) 1.4 to 3.6 r20 'ICC Increase in ICC per Input VIH VCC 0.6V 2.7 to 3.6 750 PA Symbol Parameter Conditions VCC TA 40qC to 85qC Units Figure (V) Min Max Number tPHL, tPLH Propagation Delay CL 30 pF, RL 500: 3.3 r 0.3 0.6 3.5 ns Figures 1, 2 An to Bn or Bn to An 2.5 r 0.2 0.8 4.2 1.8 r 0.15 1.5 8.4 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 16.8 Figures 5, 6 tPZL, tPZH Output Enable Time CL 30 pF, RL 500: 3.3 r 0.3 0.6 4.5 ns Figures 1, 3, 4 2.5 r 0.2 0.8 5.6 1.8 r 0.15 1.5 9.8 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 19.6 Figures 5, 7, 8 tPLZ, tPHZ Output Disable Time CL 30 pF, RL 500: 3.3 r 0.3 0.6 3.6 ns Figures 1, 3, 4 2.5 r 0.2 0.8 4.0 1.8 r 0.15 1.5 7.2 CL 15 pF, RL 2k: 1.5 r 0.1 1.0 14.4 Figures 5, 7, 8 tOSHL Output to Output Skew CL 30 pF, RL 500: 3.3 r 0.3 0.5 ns tOSLH (Note 10) 2.5 r 0.2 0.5 1.8 r 0.15 0.75 CL 15 pF, RL 2k: 1.5 r 0.1 1.5

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5 www.fairchildsemi.com 7 4 V C X 2 4 5 Dynamic Switching Characteristics Capacitance Symbol Parameter Conditions VCC (V) TA 25qC Units Typical VOLP Quiet Output Dynamic Peak VOL CL 30 pF, VIH VCC, VIL 0V 1.8 0.3 V2.5 0.7 3.3 1.0 VOLV Quiet Output Dynamic Valley VOL CL 30 pF, VIH VCC, V IL 0V 1.8 0.3 V2.5 0.7 3.3 1.0 VOHV Quiet Output Dynamic Valley VOH CL 30 pF, VIH VCC, V IL 0V 1.8 1.3 V2.5 1.7 3.3 2.0 Symbol Parameter Conditions TA 25qC Units Typical CIN Input Capacitance VI 0V or VCC, VCC 1.8V, 2.5V or 3.3V 6.0 pF CI/O Input/Output Capacitance VI 0V or VCC, VCC 1.8V, 2.5V or 3.3V 7.0 pF CPD Power Dissipation Capacitance VI 0V or VCC, f 10 MHz, VCC 1.8V, 2.5V or 3.3V 20.0 pF

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www.fairchildsemi.com 6 7 4 V C X 2 4 5 AC Loading and Waveforms (VCC 3.3V  0.3V to 1.8V  0.15V) FIGURE 1. AC Test Circuit FIGURE 2. Waveform for Inverting and Non-Inverting Functions FIGURE 3. 3-STATE Output High Enable and Disable Times for Low Voltage Logic FIGURE 4. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic TEST SWITCH tPLH, tPHL Open tPZL, tPLZ 6V at VCC 3.3V r 0.3V; VCC x 2 at VCC 2.5V r 0.2V; 1.8V r 0.15V tPZH, tPHZ GND Symbol VCC 3.3V r 0.3V 2.5V r 0.2V 1.8V r 0.15V Vmi 1.5V VCC/2 VCC/2 Vmo 1.5V VCC/2 VCC/2 VX VOL  0.3V VOL  0.15V VOL  0.15V VY VOH  0.3V VOH  0.15V VOH  0.15V

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7 www.fairchildsemi.com 7 4 V C X 2 4 5 AC Loading and Waveforms (VCC 1.5  0.1V) FIGURE 5. AC Test Circuit FIGURE 6. Waveform for Inverting and Non-Inverting Functions FIGURE 7. 3-STATE Output High Enable and Disable Times for Low Voltage Logic FIGURE 8. 3-STATE Output Low Enable and Disable Times for Low Voltage Logic TEST SWITCH tPLH, tPHL Open tPZL, tPLZ VCC x 2 at VCC 1.5V r 0.1V tPZH, tPHZ GND Symbol VCC 1.5V r 0.1V Vmi VCC/2 Vmo VCC/2 VX VOL  0.1V VY VOH  0.1V

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www.fairchildsemi.com 8 7 4 V C X 2 4 5 Tape and Reel Specification Tape Format for DQFN TAPE DIMENSIONS inches (millimeters) REEL DIMENSIONS inches (millimeters) Package Tape Number Cavity Cover Tape Designator Section Cavities Status Status Leader (Start End) 125 (typ) Empty Sealed BQX Carrier 3000 Filled Sealed Trailer (Hub End) 75 (typ) Empty Sealed Tape Size A B C D N W1 W2 12 mm 13.0 0.059 0.512 0.795 2.165 0.488 0.724 (330.0) (1.50) (13.00) (20.20) (55.00) (12.4) (18.4)

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