SNJ54LS590FK

Counter Dividers Overview

The SNJ54LS590FK is an asynchronous positive edge-triggered 8-bit binary up counter manufactured by Texas Instruments. It features registered outputs and a 3-state output register for bus interfacing. The device operates within a temperature range of -55°C to 125°C and utilizes a 20-pin LCCC package.

Counter Dividers Feature Summary

• Asynchronous positive edge-triggered counting mechanism
• Integrated 3-state output registers for bus isolation
• Registered outputs with multiplexed I/O capabilities

Counter Dividers Applications

• Military and defense applications requiring QML certification
• High-reliability digital counting systems
• Aerospace instrumentation data acquisition

Counter Dividers Procurement Notes

Verify the specific ordering suffix (e.g., FK) against the Package Option Addendum to confirm the LCCC package type and lead finish. Ensure the part marking matches the designated military grade identifier. Confirm RoHS exemption status as required by project specifications before finalizing procurement orders.

Counter Dividers Selection Notes

Select this component when military-grade reliability and extended temperature operation are mandatory. The LCCC package provides hermetic sealing suitable for harsh environments. Verify that the LS logic family speed and power consumption align with system requirements compared to HC or H variants.

Counter Dividers Part Context

This part belongs to the SN54LS590 series, which is qualified for Military and Defense Applications under QML standards. It serves as a high-reliability alternative to standard catalog counters, offering enhanced durability for critical mission-critical electronics where failure is not an option.

Counter Dividers Replacement Considerations

SNJ54LS590FK.A is a verified substitute variant within the same package and specification profile.