DM74161J

Counter Dividers Overview

The DM74161J is a synchronous 4-bit binary counter manufactured by Rochester Electronics. It operates in the up counting direction and utilizes positive edge triggering for its clock input. The device belongs to the HC/UH logic series and is constructed using CMOS technology. It is housed in a PDSO16 package, which provides 16 terminals. The component supports load and preset inputs for flexible data handling. It functions as a single binary counter within one logical unit.

Counter Dividers Feature Summary

• Synchronous operation with positive edge triggered clocking
• Four-bit binary counting capability in the upward direction
• CMOS construction for low power consumption
• Integrated load and preset input functionality

Counter Dividers Applications

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

Counter Dividers Procurement Notes

Verify the specific manufacturer designation and package type against the required schematic symbols. Confirm that the HC/UH series characteristics align with the system voltage and speed requirements. Ensure the PDSO16 footprint matches the PCB layout constraints. Check for any specific handling instructions related to CMOS devices.

Counter Dividers Selection Notes

Select this component when a synchronous 4-bit counter is required for digital logic applications. The HC/UH series offers compatibility with standard logic families. Consider the PDSO16 package size for space-constrained designs. Verify that the positive edge trigger requirement matches the system clock polarity.

Counter Dividers Part Context

This part is part of the broader 74161 family of synchronous counters. Similar components include variants from Texas Instruments and National Semiconductor. These devices are commonly used in digital electronics for counting pulses or generating timing sequences. The HC/UH series represents high-speed CMOS technology.

Counter Dividers Replacement Considerations

Cross-reference with SN54HC163 or SN54LS163AJ for functional equivalents. Verify pinout compatibility before substitution. Ensure voltage levels and propagation delays meet the design specifications.