M38510/31504BEA

Counter Dividers Overview

The M38510/31504BEA is a synchronous 4-bit binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 4.5 V to 5.5 V and supports a maximum operating frequency of 29 MHz. The device features asynchronous master reset, synchronous parallel data loading, and ripple clock outputs. It is housed in a 16-pin ceramic dual in-line package (CDIP) with an extended operating temperature range from -55°C to 125°C.

Counter Dividers Feature Summary

• Synchronous four-bit binary counting capability
• Asynchronous master reset functionality
• Synchronous parallel data loading support

Counter Dividers Applications

• Military-grade digital timing circuits
• Aviation control system counters
• Spacecraft telemetry data processing

Counter Dividers Procurement Notes

Verify the specific ordering suffix against the manufacturer's current Package Option Addendum to confirm the exact physical package type and lead finish. Ensure that the component meets all applicable MIL-M-38510 quality assurance requirements for the intended operational environment.

Counter Dividers Selection Notes

Select this component when a high-reliability synchronous 4-bit counter is required for harsh environments. Consider the CDIP package for through-hole mounting and verify compatibility with existing TTL logic families regarding voltage levels and interface requirements.

Counter Dividers Part Context

This part belongs to the SN54LS161A family of synchronous 4-bit counters. It is designed under the MIL-M-38510 specification for monolithic silicon low-power Schottky TTL counters. The device provides robust performance suitable for defense and aerospace applications requiring strict environmental tolerances.

Counter Dividers Replacement Considerations

SN54LS161AJ

Counter Dividers FAQ

What is the primary function of the asynchronous master reset?

It allows the counter to be immediately cleared to zero regardless of the clock signal state.

How does the parallel data loading feature operate?

Data can be loaded into all four bits simultaneously on the next positive clock edge when the load input is active.