CD74HC75MT

Latches Overview

The CD74HC75MT is a high-speed silicon-gate CMOS quad bistable transparent latch manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports an operating temperature range from -55 °C to +125 °C. The device features four independent latches, with two latches simultaneously controlled by one of two active HIGH enable inputs (LE12 and LE34). When the enable input is HIGH, data enters the latches and appears at the outputs; when LOW, the stored data remains stable. It utilizes a 14-SOIC surface-mount package.

Latches Feature Summary

• Provides four independent bistable latches for data storage applications
• Features dual active HIGH enable inputs controlling pairs of latches simultaneously
• Transparent operation allows output to follow input during enable phase
• Maintains stable latched outputs when enable signal transitions to LOW

Latches Applications

• Parallel data storage in digital logic circuits
• Input/output buffering for microprocessor systems
• Data holding stages in shift register configurations
• Address latching for memory interface control

Latches Procurement Notes

Verify the specific manufacturer marking and date code against official Texas Instruments documentation to ensure authenticity. Confirm that the SOIC-14 package dimensions match the JEDEC standard specified in the datasheet. Check for RoHS compliance status as manufacturing processes may vary over time. Ensure the component is sourced from authorized distributors to avoid counterfeit parts.

Latches Selection Notes

Select this component when a quad latch with transparent mode operation is required for high-speed CMOS logic designs. Consider the wide operating voltage range and extended temperature specifications for industrial environments. Verify that the pinout compatibility with LSTTL standards meets the system interface requirements. Evaluate the propagation delay characteristics against the system timing constraints.

Latches Part Context

This part belongs to the CD74HC series of high-speed CMOS logic devices produced by Texas Instruments. The HC series is designed to be compatible with low-power Schottky TTL (LSTTL) logic levels while offering lower power consumption. The CD74HC75 specifically provides quad latch functionality, distinguishing it from other gates or flip-flops in the same family such as the CD74HC00 NAND gates or CD74HC74 D-flip-flops.

Latches Replacement Considerations

Compatible substitutes include the SN74HC75N (PDIP package) or SN74HC75PW (TSSOP package) from Texas Instruments. Other manufacturers producing equivalent 74HC75 quad latches in SOIC-14 packages may also serve as replacements, provided pinout and electrical specifications are verified.