SN74ALS161BDR

Counter Dividers Overview

The SN74ALS161BDR is a synchronous 4-bit binary counter from the Texas Instruments SN74ALS series. It features an asynchronous master reset and operates within a supply voltage range of 4.5 V to 5.5 V. The device utilizes positive-edge triggering for clock inputs and supports up-counting sequences. Designed for surface-mount applications, it is housed in a 16-pin SOIC package with a wide operating temperature range spanning from 0°C to +70°C.

Counter Dividers Feature Summary

• Synchronous four-bit binary counting architecture
• Asynchronous master reset functionality
• Positive-edge triggered clock operation

Counter Dividers Applications

• Digital timing circuits
• Frequency division networks
• Event counting systems

Counter Dividers Procurement Notes

Verify the specific suffix BDR confirms the SOIC-16 surface mount package and tape-and-reel shipping configuration. Confirm RoHS compliance status and ensure the logic family matches system requirements. Validate pinout compatibility against existing PCB footprints before finalizing procurement orders.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit up-counter is required in a surface-mount design. The ALS series offers improved speed-power product compared to standard LS counterparts. Ensure the 4.5V to 5.5V supply range aligns with the target system voltage rails.

Counter Dividers Part Context

This part belongs to the Texas Instruments SN74ALS (Advanced Low-Power Schottky) logic family. It serves as a surface-mount variant of the through-hole SN74ALS161BN. The device provides industry-standard pinouts for easy integration into digital logic designs requiring reliable binary counting capabilities.

Counter Dividers Replacement Considerations

SN74ALS161NSR is a documented parameter-equivalent alternative.