Texas Instruments

SN74HC640DWR  

Buffers, Drivers, Receivers, Transceivers

SN74HC640DWR Description

The SN74HC640DWR from Texas Instruments is a high-performance 8-bit inverting transceiver designed for bidirectional data communication between buses. Part of the 74HC series, it operates within a 2V to 6V supply voltage range, making it compatible with a variety of logic levels. Housed in a 20-pin SOIC package, this surface-mount device is RoHS3 compliant and features REACH unaffected status, ensuring environmental and regulatory compliance. With 7.8mA output current capability (both high and low), it delivers robust signal integrity in demanding applications. Its inverting logic provides flexibility in signal conditioning, while the tape-and-reel (TR) packaging suits automated assembly processes.

SN74HC640DWR Features

• Logic Type: Inverting transceiver for bidirectional data flow.
• Voltage Range: Wide 2V–6V operation, compatible with TTL and CMOS levels.
• High Drive Strength: 7.8mA output current ensures reliable signal transmission.
• Package: 20-SOIC (surface-mount) with MSL 1 (unlimited) moisture sensitivity.
• Robust Compliance: RoHS3, REACH unaffected, ECCN EAR99 certified.
• Low Power Consumption: Optimized for energy-efficient designs.
• Single-Element Design: Integrates 8-bit transceiver in one compact IC.

SN74HC640DWR Applications

• Bus Interface Systems: Ideal for bidirectional data transfer in microcontrollers, FPGAs, and ASICs.
• Industrial Automation: Used in PLC I/O modules for signal inversion and level shifting.
• Communication Equipment: Ensures noise immunity in RS-485/232 transceivers.
• Automotive Electronics: Suitable for CAN bus and sensor interfaces due to wide voltage tolerance.
• Consumer Electronics: Enables signal conditioning in smart home devices and peripherals.

Conclusion of SN74HC640DWR

The SN74HC640DWR stands out for its inverting logic, wide voltage range, and high drive capability, making it a versatile choice for bidirectional data communication. Its compact SOIC package, compliance with environmental standards, and reliability make it ideal for industrial, automotive, and consumer applications. Engineers benefit from its low power consumption and robust performance, ensuring seamless integration into modern electronic systems. For designs requiring signal inversion with high noise immunity, this transceiver is a superior solution.

SN74HC640DWR Documents

Download datasheets and manufacturer documentation for SN74HC640DWR

PCN Assembly/Origin :

Multi Dev 28/Sep/2022      

Datasheets :

Logic Guide       SN54HC640, SN74HC640      

Other Related Documents :

Signal Switch Data Book       Digital Logic Data Book      

HTML Datasheet :

Logic Guide       SN54HC640, SN74HC640      

PCN Design/Specification :

Material Set 21/Jun/2016