74ALVC16821MTD

Overview

The onsemi 74ALVC16821MTD is a 20-bit bus-interface D-type flip-flop featuring positive-edge triggering and three-state outputs. Manufactured using advanced ALVC CMOS technology, it operates within a voltage range of 2.3V to 3.6V. The device integrates two independent 10-bit circuits in a TSSOP-56 package, providing high-speed data storage for parallel bus applications. It offers low power consumption and robust ESD protection, ensuring reliable performance in digital systems requiring efficient data latching and transfer.

Feature Summary

• Integrates two independent 10-bit D-type flip-flops for dual-channel data storage
• Features positive-edge clock triggering for precise timing control
• Provides three-state outputs to facilitate bus-oriented architectures

Applications

• Parallel bus interface data latching
• High-speed memory buffer applications
• Data acquisition system input staging

Procurement Notes

Verify the specific manufacturer source when sourcing this component, as part numbers may be shared across different semiconductor foundries. Confirm that the received device matches the exact 74ALVC16821MTD designation to ensure compatibility with the intended ALVC logic family specifications. Check for any regional distribution restrictions or supply limitations associated with the specific manufacturing lot.

Selection Notes

Select this component for designs requiring 20-bit synchronous data storage with minimal propagation delay. Ensure the operating voltage aligns with the 2.3V to 3.6V specification. Consider the TSSOP-56 package dimensions for PCB layout constraints. Verify that the three-state output capability meets the bus isolation requirements of the target application architecture.

Part Context

This device belongs to the ALVC (Advanced Low-Voltage CMOS) logic family, known for high speed and low power consumption. It serves as a standard solution for 20-bit data handling in consumer electronics and industrial equipment. The TSSOP-56 package provides a compact footprint suitable for space-constrained modern circuit boards while maintaining thermal efficiency.

Replacement Considerations

Cross-reference with other manufacturers' 20-bit ALVC flip-flops such as NXP's 74ALVC16821. Verify pinout compatibility and electrical parameters before substitution. Ensure the alternative device supports the same voltage range and three-state output functionality.