SN74S161J

Counter Dividers Overview

The SN74S161J is a high-speed Schottky (74S) synchronous 4-bit binary counter manufactured by Advanced Micro Devices. It features positive-edge triggering and asynchronous reset functionality within a 16-lead Ceramic Dual In-Line Package (CDIP). The device operates on a standard 5V supply with a specified count rate of 25 MHz, suitable for applications requiring rapid sequential logic operations in industrial or military environments.

Counter Dividers Feature Summary

• High-speed Schottky technology enables fast switching performance
• Synchronous four-bit binary counting with positive edge trigger
• Asynchronous clear input for immediate state reset
• Robust ceramic packaging designed for harsh operating conditions

Counter Dividers Applications

• Military-grade digital systems
• Industrial control logic sequencing
• High-reliability timing circuits

Counter Dividers Procurement Notes

Verify the manufacturer origin carefully as this component originates from Advanced Micro Devices, which may differ from current Texas Instruments production lines. Confirm package integrity due to the age of the CDIP housing. Ensure compatibility with existing system voltage levels before integration into modern designs.

Counter Dividers Selection Notes

Select this part when high-speed Schottky performance is required alongside ruggedized ceramic packaging. It serves as a specialized alternative to plastic-packaged variants for environments demanding superior thermal stability and physical durability compared to standard commercial logic families.

Counter Dividers Part Context

This component belongs to the 74S series of logic integrated circuits, known for offering speed improvements over standard TTL while maintaining compatible pinouts. The SN74S161J specifically implements the 161 function set, providing synchronous counting capabilities essential for complex digital state machines and frequency division tasks.

Counter Dividers Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation.