74ALVCH162373ZQLR

Latches Overview

The SN74ALVCH162373ZQLR is a 16-bit transparent D-type latch with 3-state outputs, designed for 1.65-V to 3.6-V VCC operation. It belongs to the Texas Instruments Widebus family and features active bus-hold circuitry on data inputs to eliminate external pullup/pulldown resistors. The device includes equivalent 26-Ω series resistors in the output ports to reduce overshoot and undershoot. It can function as two 8-bit latches or one 16-bit latch, providing high-impedance states that do not load bus lines significantly.

Latches Feature Summary

• Active bus-hold circuitry maintains valid logic states on unused or undriven data inputs without requiring external components.
• Integrated equivalent 26-Ω series resistors in output ports minimize signal overshoot and undershoot.
• Latch-enable input controls transparency while output-enable input manages high-impedance states independently of internal operations.

Latches Applications

• Implementing buffer registers
• Configuring I/O ports
• Bidirectional bus drivers
• Working registers

Latches Procurement Notes

Verify the specific package type associated with the ZQLR suffix against official documentation, as standard listings typically reference DL (SSOP) or GR (TSSOP). Confirm RoHS compliance and moisture sensitivity levels prior to procurement. Ensure the ordering suffix matches the required tape-and-reel or tube packaging format specified in the manufacturer's latest package addendum.

Latches Selection Notes

Select this component for applications requiring low-voltage operation between 1.65 V and 3.6 V. The integrated bus-hold feature simplifies design by removing the need for external pullup or pulldown resistors. Consider the 26-Ω output resistance for signal integrity improvements in high-speed digital interfaces. Verify compatibility with system voltage levels and temperature ranges spanning -40°C to 85°C.

Latches Part Context

This device is part of the SN74ALVCH162373 family within the Texas Instruments Widebus lineup. It serves as a 16-bit transparent D-type latch with 3-state outputs. The family supports configurations as either two 8-bit latches or a single 16-bit latch, offering flexibility in digital logic designs requiring data storage and bus management capabilities.

Latches Replacement Considerations

SN74ALVCH162373DL and SN74ALVCH162373GR are confirmed substitutes within the same product family.