M74HC75TTR

Latches Overview

The M74HC75TTR is a high-speed CMOS 4-bit D-type latch manufactured by STMicroelectronics in the HC logic series. It contains two groups of 2-bit latches controlled by enable inputs G1•2 and G3•4, providing Q and complementary outputs for each bit. The device operates within a supply voltage range of 2V to 6V and features low power dissipation with a maximum quiescent current of 2µA at 25°C. Propagation delays are typically 11ns at 6V. It is housed in a TSSOP-16 surface-mount package.

Latches Feature Summary

• Contains two independent groups of 2-bit transparent latches controlled by separate enable inputs
• Provides both Q and complementary Q outputs for data retention when enabled input is low
• Features high noise immunity with symmetrical output impedance and balanced propagation delays

Latches Applications

• Data storage and buffering in digital logic circuits
• Parallel-to-serial conversion interfaces
• Memory address latching systems

Latches Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS compliance status and check for obsolescence notices as this part may be discontinued. Ensure proper ESD handling protocols during storage and assembly due to CMOS sensitivity.

Latches Selection Notes

Select this component for applications requiring parallel data capture with transparent latch functionality. Verify that the operating voltage aligns with the 2V to 6V range. Consider the TSSOP-16 package constraints for PCB layout and thermal management requirements relative to the 500mW power dissipation limit.

Latches Part Context

This component belongs to the M74HC75 family of 4-bit D-type latches from STMicroelectronics. It is pin and function compatible with standard 74 series logic devices, facilitating drop-in replacements in legacy designs. The HC series utilizes silicon gate C2MOS technology for high speed and low power consumption.

Latches Replacement Considerations

Compatible substitutes include NXP Semiconductors 74HC75 variants and other manufacturers' 74HC75 equivalents. Verify pinout compatibility and electrical specifications before substitution.