4002BDC

Overview

The CD4002BDC is a dual 4-input NOR gate manufactured by National Semiconductor, part of the CMOS 4000 series. It features two independent logic gates within a single package. The device operates with a wide supply voltage range and provides high noise immunity typical of CMOS technology. It is designed for general-purpose digital logic applications requiring reliable switching performance.

Feature Summary

• Dual independent 4-input NOR logic functions
• CMOS construction for low power consumption
• Wide operating supply voltage range
• High noise immunity characteristics

Applications

• General-purpose digital logic circuits
• Signal processing systems
• Control logic interfaces

Procurement Notes

Verify the manufacturer origin as National Semiconductor or its successor entities like Texas Instruments. Confirm the specific suffix 'BDC' denotes the correct package type and temperature grade. Ensure compatibility with existing CMOS logic families in the target design. Check for updated datasheets reflecting any manufacturing transitions.

Selection Notes

Select this component when dual 4-input NOR functionality is required in a compact form factor. Consider the wide voltage range suitability for varying system power rails. Evaluate pinout compatibility with existing PCB layouts. Verify that the CMOS input characteristics match the driving source requirements.

Part Context

This component belongs to the standard CMOS 4000 series logic family, widely used in industrial and consumer electronics. National Semiconductor was a major producer before its acquisition by Texas Instruments. The 4002BDC variant specifically offers dual 4-input NOR gates, providing flexibility in complex logic designs without consuming multiple packages.