74AC574MTCX

Overview

The onsemi 74AC574MTCX is an octal D-type edge-triggered flip-flop featuring three-state outputs. It operates within a supply voltage range of 2V to 6V and supports a maximum clock frequency of 153 MHz. The device provides high drive capability with output currents of ±24mA. Propagation delay is specified at 9.5ns under standard test conditions (5V, 50pF load). It is housed in a 20-TSSOP surface-mount package and functions reliably across an industrial temperature range of -40°C to +85°C.

Feature Summary

• Octal D-type edge-triggered architecture for parallel data storage
• Three-state non-inverting outputs for bus-oriented systems
• High-speed operation supporting up to 153 MHz clock frequencies
• Strong output drive capability with ±24mA current ratings

Applications

• Parallel-to-serial data conversion circuits
• Register files in microprocessor-based systems
• Buffering and latching digital signals
• Timing synchronization in high-speed logic designs

Procurement Notes

Verify the component status as discontinued or obsolete before procurement planning. Confirm availability through authorized distributors or approved substitute manufacturers. Ensure that any replacement part maintains pin compatibility and electrical specifications suitable for the existing design requirements without requiring circuit modifications.

Selection Notes

Select this component for applications requiring high-speed data latching with strong drive capabilities. The AC series offers faster performance than HC variants but consumes more power. Consider the 2V to 6V operating range and ±24mA output drive when designing interface circuits. Verify thermal management needs for continuous operation within the specified temperature limits.

Part Context

This component belongs to the 74AC logic family, known for advanced CMOS technology offering higher speed than standard HC devices. It serves as an octal register with three-state outputs, commonly used in memory address registers and data buffers. The TSSOP-20 package provides a compact solution for space-constrained printed circuit board layouts.

Replacement Considerations

• MC74AC574DTR2G