74ABT657DB,112

Buffers, Drivers, Receivers, Transceivers Overview

The NXP USA Inc. 74ABT657DB,112 is an octal transceiver featuring non-inverting buffers with 3-state outputs and an integrated 8-bit parity generator/checker. It operates within a supply voltage range of 4.5 V to 5.5 V. The device provides high output drive capability with a guaranteed current sinking of 64 mA and sourcing of -32 mA. Propagation delays are specified between 1.1 ns and 4.6 ns at 5.0 V. It utilizes SSOP24 packaging (SOT340-1) and supports an operating temperature range from -40 °C to +85 °C.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates combinational functions including bidirectional data transfer and parity checking in a single package
• Features low static and dynamic power dissipation combined with high-speed operation
• Provides robust latch-up protection exceeding 500 mA per JESD78B class II level A
• Includes ESD protection exceeding 2000 V under HBM conditions

Buffers, Drivers, Receivers, Transceivers Applications

• Bus-oriented applications requiring bidirectional data flow control
• Systems utilizing parity generation for data integrity verification during transmission
• Applications requiring parity checking for error detection during reception

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix matches the required package type, as the base part number covers multiple packages. Confirm the manufacturer designation aligns with current corporate branding updates. Ensure the component meets the necessary environmental standards for the intended deployment environment before finalizing procurement decisions.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when an octal transceiver with integrated parity logic is required for bus-oriented designs. The device is suitable for applications needing high output drive capabilities alongside low power consumption. Consider the SSOP24 package dimensions and thermal characteristics relative to the available board space and cooling requirements of the target system design.

Buffers, Drivers, Receivers, Transceivers Part Context

This component belongs to the 74ABT series of high-performance BiCMOS logic devices. The series is characterized by combining low power dissipation with high speed and high output drive capabilities. The 74ABT657 specifically addresses needs for complex bus systems that require both data direction control and built-in error checking mechanisms within a single integrated circuit solution.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Public confirmed substitute part numbers: 74ABT657D, 74ABT657PW.