74VCX16721MTD

Overview

The Fairchild Semiconductor 74VCX16721MTD is a low-voltage, 20-bit D-type flip-flop featuring 3-state outputs. It is designed for bus-oriented applications with inputs and outputs tolerant to 3.6V levels. The device operates within a supply voltage range of 1.8V to 3.6V, ensuring compatibility with modern low-power systems. Packaged in a TSSOP-52 format, it provides high-density integration for complex digital logic circuits requiring reliable data storage and transfer capabilities.

Feature Summary

• Contains twenty non-inverting D-type flip-flops suitable for bus-oriented applications
• Features 3-state outputs to facilitate efficient data bus management
• Inputs and outputs are tolerant to 3.6V levels for mixed-voltage system integration

Applications

• Bus-oriented data storage systems
• Low-voltage digital logic interfaces
• Mixed-voltage signal processing circuits

Procurement Notes

Verify component authenticity through authorized distributors due to potential availability from third-party sources. Confirm package integrity and pin alignment upon receipt. Check manufacturing date codes for inventory freshness. Ensure proper electrostatic discharge handling during storage and installation. Validate specifications against current official datasheets before implementation.

Selection Notes

Select this component for designs requiring 20-bit parallel data latching with bus-compatible output control. Consider the 3.6V tolerance feature when interfacing with higher voltage logic families. Evaluate the TSSOP-52 footprint constraints against PCB layout requirements. Assess power consumption profiles relative to system battery life expectations.

Part Context

This part belongs to the VCX series of low-voltage CMOS logic devices. It complements other bus transceivers and registers within the same family. The 74VCX16721MTD specifically addresses the need for high-density flip-flop solutions in portable and battery-operated electronics where voltage efficiency is critical.

Replacement Considerations

Consult official substitution lists for equivalent 20-bit D-type flip-flops with 3-state outputs. Verify pinout compatibility and electrical characteristics match before swapping. Ensure replacement parts maintain the same 3.6V input/output tolerance specifications.