SN74AHCT16540DL

Buffers, Drivers, Receivers, Transceivers Overview

The SN74AHCT16540DL is a 16-bit buffer and driver with 3-state outputs manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V. The device features TTL-compatible inputs and CMOS outputs, utilizing the EPIC process. It provides high-level output currents of -8 mA and low-level output currents of 8 mA. Propagation delays are typically 9.5 ns at 5 V with 15 pF load. The component supports an operating temperature range from -40°C to 85°C and is housed in a 48-pin SSOP package.

Buffers, Drivers, Receivers, Transceivers Feature Summary

• Provides a high-performance bus interface for wide data paths
• Features distributed VCC and GND pins to minimize high-speed switching noise
• Includes flow-through architecture optimized for PCB layout
• Offers ESD protection exceeding 2000 V per MIL-STD-883

Buffers, Drivers, Receivers, Transceivers Applications

• Wide data path bus interfaces
• High-speed buffering applications
• System memory address decoding

Buffers, Drivers, Receivers, Transceivers Procurement Notes

Verify the specific ordering suffix 'DL' corresponds to the SSOP-48 plastic shrink small-outline package when sourcing. Confirm that the procurement matches the SN74AHCT16540 commercial grade specifications rather than the SN54 variant which covers the military temperature range. Ensure the supplier provides documentation confirming compliance with the RoHS directive as listed in the packaging information addendum.

Buffers, Drivers, Receivers, Transceivers Selection Notes

Select this component when a 16-bit non-inverting buffer with 3-state control is required for 5 V logic systems. The AHCT series ensures compatibility with TTL input levels while driving CMOS loads. Consider the DL package dimensions against available board space. Verify that the 8 mA drive current meets the load requirements of the destination circuitry without exceeding absolute maximum ratings.

Buffers, Drivers, Receivers, Transceivers Part Context

This part belongs to the Widebus family of logic devices from Texas Instruments. It utilizes the Enhanced-Performance Implanted CMOS (EPIC) process technology. The device is functionally similar to other 16-bit buffers but specifically designed for high-density applications requiring distributed power and ground connections to reduce noise coupling during fast switching transitions.

Buffers, Drivers, Receivers, Transceivers Replacement Considerations

SN74AHCT16540DGGR: Same logical function and electrical characteristics, differing only in the TSSOP-48 package type and tube versus tape-and-reel shipping configuration.