74ABT640N,602

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT640N,602 is an octal bidirectional bus interface transceiver featuring inverting 3-State outputs. It operates within a supply voltage range of 4.5V to 5.5V and supports a temperature range of -40°C to +85°C. The device provides high output drive capabilities with +64mA low-level and -32mA high-level current. Propagation delay is typically 3.1ns at VCC=5V with CL=50pF. Input capacitance for DIR and OE pins is 4pF, while I/O capacitance is 7pF. Total supply current (ICCZ) is 50μA when outputs are disabled.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Octal bidirectional bus interface with direction pin control
• Inverting 3-State buffers with power-up 3-State capability
• High output drive capability (+64mA/-32mA)
• Latch-up protection exceeding 500mA per JEDEC Std 17

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented transfers
• Clock drivers
• Buffering registers

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix '602' against the manufacturer's official documentation to confirm package type and temperature grade. Confirm RoHS compliance status and REACH registration details directly from the datasheet or manufacturer website before procurement. Ensure the component meets all absolute maximum ratings for your specific application environment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component for applications requiring high-speed octal data transfer with inverting logic. Consider the 3-State output feature for bus sharing and the direction pin for easy cascading. Verify that the required propagation delay and output drive currents align with system timing and load requirements. Check compatibility with existing logic families regarding input/output voltage levels.

Buffers, Drivers, Receivers, Transceivers Part Context

The 74ABT640 belongs to the 74ABT series of high-performance BiCMOS logic devices. This series combines low static and dynamic power dissipation with high speed and high output drive. The device is designed for bus-compatible applications, offering improved performance over standard TTL logic families while maintaining compatibility.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Check for direct replacements within the 74ABT family or other manufacturers offering equivalent octal transceivers with similar electrical characteristics and pinout configurations.