MC74ACT74MELG

Flip Flops Overview

The MC74ACT74MELG is a dual D-type positive edge-triggered flip-flop manufactured by onsemi, belonging to the 74ACT logic series. It features asynchronous clear and set inputs with complementary outputs (Q and Q̅). The device operates within a supply voltage range of 4.5 V to 5.5 V. Key electrical parameters include a propagation delay of 11 ns, high-level output current of -24 mA, and low-level output current of 24 mA. It supports single-ended input and differential output configurations. The component is housed in a 14-SOIC package and functions reliably across an operating temperature range of -40°C to +85°C.

Flip Flops Feature Summary

• Dual D-type positive edge-triggered flip-flop architecture
• Asynchronous clear and set inputs for direct control
• Complementary outputs (Q and Q̅) for versatile signal routing
• TTL-compatible input thresholds for system integration

Flip Flops Applications

• Parallel-to-serial data conversion circuits
• Shift register construction
• Timing delay elements
• Pulse synchronization systems

Flip Flops Procurement Notes

Verify the specific ordering suffix MELG against official datasheets to confirm package dimensions and tape-and-reel specifications. Ensure compatibility with standard SOIC-14 footprints during PCB layout. Confirm RoHS compliance status through manufacturer documentation prior to final procurement decisions.

Flip Flops Selection Notes

Select this component when dual independent storage elements are required within a 5V CMOS environment. The ACT series offers faster switching speeds compared to standard AC variants while maintaining TTL input compatibility. Consider the 14-pin surface mount package for space-constrained designs requiring robust noise immunity and moderate drive capability.

Flip Flops Part Context

This part belongs to the MC74ACT family of advanced CMOS logic devices. It provides enhanced performance over previous generations with reduced power consumption and increased speed. The dual flip-flop configuration allows for compact implementation of sequential logic functions without requiring multiple discrete components.

Flip Flops Replacement Considerations

MC74ACT74DG

Flip Flops FAQ

How do the asynchronous clear and set inputs function?

The asynchronous clear and set inputs operate independently of the clock signal. A low level on the clear input forces the Q output low, while a low level on the set input forces the Q output high.

What is the significance of the positive edge trigger?

Data from the D input is transferred to the Q output only upon the rising edge of the clock pulse. This ensures precise timing control for synchronous digital systems.