74ACT163SJ

Counter Dividers Overview

The Fairchild Semiconductor 74ACT163SJ is a synchronous presettable binary counter belonging to the ACT logic series. It features four-bit counting capability with positive-edge triggering and includes synchronous reset functionality that overrides counting and parallel loading. The device operates within a supply voltage range of 2V to 5.5V, supporting high-speed applications with a typical count rate of 125 MHz. It utilizes TTL-compatible inputs for versatile interfacing and provides outputs capable of sourcing and sinking 24 mA. The component is housed in a 16-SOP surface-mount package.

Counter Dividers Feature Summary

• Synchronous presettable binary counting with internal look-ahead carry
• TTL-compatible inputs ensuring broad interface compatibility
• Outputs capable of sourcing and sinking 24 mA for robust drive capability
• Synchronous reset input that overrides counting and parallel loading operations

Counter Dividers Applications

• Programmable frequency dividers
• Synchronous multi-stage counter configurations
• High-speed digital timing circuits
• Binary counting applications requiring precise load control

Counter Dividers Procurement Notes

Verify component authenticity through manufacturer documentation or authorized distributor channels. Confirm package integrity and pin alignment against the 16-SOP specification. Ensure compliance with RoHS directives if required by the target assembly process. Review datasheet electrical characteristics for operating temperature and voltage limits prior to integration into final designs.

Counter Dividers Selection Notes

Select this component when synchronous operation and fast propagation delays are critical. The ACT series offers improved speed over standard AC counterparts while maintaining CMOS power efficiency. Verify that the 16-SOP package fits the available PCB footprint. Consider the 24 mA output drive strength for direct interfacing with loads without additional buffering.

Counter Dividers Part Context

This part belongs to the Fairchild 74ACT family of high-speed CMOS logic devices. The 74ACT163 specifically implements a four-bit synchronous binary counter architecture. It shares functional similarities with other 74163 variants but distinguishes itself through ACT-level performance metrics and specific packaging options designed for surface-mount technology applications.

Counter Dividers Replacement Considerations

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