SN74HC161DBR

Counter Dividers Overview

The SN74HC161DBR is a synchronous 4-bit binary counter manufactured by Texas Instruments. It operates within a supply voltage range of 2 V to 6 V and supports counting frequencies up to 36 MHz. The device features asynchronous reset, synchronous parallel load, and ripple clock outputs. It is housed in a 16-SOIC surface-mount package with an operating temperature range of -40°C to +85°C.

Counter Dividers Feature Summary

• Synchronous 4-bit binary counting with asynchronous reset capability
• Supports synchronous parallel data loading for flexible initialization
• Includes ripple clock outputs for cascading multiple counters

Counter Dividers Applications

• Digital frequency division circuits
• Event counting systems
• Timing sequence generation logic

Counter Dividers Procurement Notes

Verify the specific suffix 'DBR' corresponds to the SOIC-16 package and tape-and-reel packaging configuration. Confirm RoHS compliance status and ensure the manufacturer designation matches Texas Instruments specifications before integration into production designs.

Counter Dividers Selection Notes

Select this component when a CMOS-compatible 4-bit counter is required with a wide voltage range. It serves as a direct functional replacement for legacy LS or AS series counters where lower power consumption and higher speed are necessary. Ensure the design accommodates the SOIC-16 footprint.

Counter Dividers Part Context

This part belongs to the SN74HC161 family of synchronous binary counters. It provides standard 4-bit counting functionality with additional control inputs for load and reset operations. The HC logic family ensures compatibility with standard CMOS interfaces while offering improved performance over older transistor-transistor logic variants.

Counter Dividers Replacement Considerations

SN74HC161DR

Counter Dividers FAQ

What is the maximum operating frequency?

The device supports a maximum counting frequency of 36 MHz.

How is the counter reset?

The counter utilizes an asynchronous reset input that clears all outputs immediately regardless of the clock state.