76018012A

Latches Overview

The Texas Instruments part number 76018012A corresponds to the SNJ54LS279AFK, a quadruple S-R latch. It is manufactured in a 20-pin Leadless Ceramic Chip Carrier (LCCC) package with a 1.27 mm pitch. The device operates within a military-grade temperature range of -55°C to 125°C and is designated as QML certified for Military and Defense Applications.

Latches Feature Summary

• Contains four independent S-R latches within a single integrated circuit
• Constructed using LS logic technology for standard switching performance
• Designed for high-reliability environments requiring extended temperature tolerance

Latches Applications

• Military and defense electronic systems
• Data storage circuits
• Shift register implementations
• Register file architectures

Latches Procurement Notes

Verify that the specific order matches the SNJ54LS279AFK designation to ensure receipt of the LCCC package variant. Confirm that the procurement channel supports QML certified components, as this part requires specialized handling and sourcing compared to standard catalog devices. Ensure compatibility with existing board layouts designed for the 20-pin FK footprint.

Latches Selection Notes

Select this component when a quadruple S-R latch is required for applications demanding military-grade reliability and operation across extreme temperatures. The LCCC package provides a robust solution for harsh environments where standard plastic packages may be insufficient. Verify that the system design accommodates the specific pinout and thermal characteristics associated with ceramic chip carrier packaging.

Latches Part Context

This part belongs to the SN54LS279 family of quadruple S-R latches. While the SN74LS279 series serves commercial applications, the SN54LS279 variants are specifically qualified for military use. The 76018012A identifier represents the specific ordering code for the ceramic leadless package version of this functional block.

Latches Replacement Considerations

SNJ54LS279AFK.A