4516BDC

Overview

The 4516BDC is a synchronous, bidirectional 4-bit binary counter manufactured by National Semiconductor. It is housed in a 16-lead Ceramic Dual In-Line Package (CDIP). The device operates within a temperature range of -55°C to 125°C and supports a maximum supply voltage of 18V. It features a load capacitance of 50 pF and includes load/preset input functionality.

Feature Summary

• Synchronous bidirectional counting capability
• Ceramic dual in-line package construction
• Wide operating temperature range

Applications

• Digital counting circuits
• Frequency division applications
• Timing sequence generation

Procurement Notes

Verify the specific manufacturer source, as National Semiconductor's logic products are often distributed through Rochester Electronics or Texas Instruments. Confirm the CDIP package authenticity and date code traceability. Ensure the component meets the required military-grade temperature specifications if applicable to the design environment.

Selection Notes

Select this component for designs requiring robust ceramic packaging and wide temperature tolerance. Verify compatibility with the system's voltage levels and clocking requirements. Consider the availability of the CDIP package compared to standard plastic DIP alternatives when planning for long-term production.

Part Context

This part belongs to the 4000/14000/40000 series of CMOS logic devices. It serves as a fundamental building block for digital systems requiring precise binary counting operations. The CDIP variant offers enhanced durability over plastic packages for harsh environments.

Replacement Considerations

Check for equivalent parts from Texas Instruments or other authorized distributors. Verify pinout compatibility and electrical characteristics before substitution.