74ACT16657DLR

Buffers, Drivers, Receivers, Transceivers Overview

The Texas Instruments 74ACT16657DLR is a 16-bit bus transceiver featuring integrated parity generators and checkers. It operates within a supply voltage range of 4.5 V to 5.5 V and utilizes a 56-pin SSOP package. The device provides three-state outputs with TTL-compatible inputs, ensuring signal integrity across wide-bus architectures. Key electrical specifications include a propagation delay of 10.7 ns, low static current consumption, and robust drive capabilities suitable for high-speed digital applications.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Integrates parity generation and checking logic directly into the data path for error detection.
• Supports bidirectional data transfer between two buses using three-state output drivers.
• Features TTL-voltage compatible inputs for seamless interfacing with various logic families.

Buffers, Drivers, Receivers, Transceivers Applications

• High-speed memory interface circuits requiring data integrity verification
• Wide-bus communication systems in industrial control environments
• Digital signal processing units utilizing parity-based error correction

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific suffix 'DLR' corresponds to the tape-and-reel packaging configuration required for automated assembly processes. Confirm that the 56-SSOP footprint matches the target PCB design constraints. Ensure compatibility with the 4.5 V to 5.5 V operating voltage range of the host system. Check for RoHS compliance status if environmental regulations apply to the final product deployment.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when both 16-bit data width and hardware-level parity checking are necessary within a single package. It is appropriate for designs prioritizing reduced board space compared to discrete solutions. Consider the ACT logic family characteristics regarding speed and power dissipation relative to alternative LS or HC series options.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Texas Instruments Widebus Family, designed for efficient PCB layout optimization in complex digital systems. The 74ACT series offers improved switching speeds over standard 74LS counterparts while maintaining CMOS low-power advantages. The inclusion of parity functions distinguishes it from standard transceivers like the 74ACT16646.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

Direct functional substitutes may include other 16-bit transceivers with parity features from the same manufacturer. Verify pinout compatibility before replacing with variants such as the 74ACT16657DT or different package options. Cross-reference datasheets to ensure identical propagation delays and voltage thresholds.