4002 Dual 4 Input NOR Gate CMOS Logic IC

4002 Dual 4 Input NOR Gate CMOS Logic IC

The 4002 is a high-speed CMOS dual 4-input NOR gate implemented in silicon-gate HC logic. Each device contains two independent NOR gates, each with four inputs, allowing compact implementation of multi-input NOR logic in digital systems. Built with CMOS technology, the device combines the switching speed associated with bipolar/LSTTL logic and the low static power consumption of CMOS, making it suitable for battery-sensitive and moderate-speed applications.

Physically available in DIP, SOIC and TSSOP housings, the HC4002 is pin-compatible with standard LS family logic for easy replacement or mixed-family designs. It is designed to drive typical LSTTL loads directly while providing high noise immunity and wide operating temperature performance, so the same part can be used across a variety of environments without re-engineering the gate-level layout.

Engineers often choose the 4002 where simple, compact NOR logic is required for address decoding, control gating, priority logic or combining multiple conditional signals. Its straightforward truth-table behavior and stable CMOS characteristics make it a durable building block in both commercial and more demanding industrial or military systems.

Features:

• Dual 4-input NOR gates in a single 14-pin package.
• Silicon-gate HC CMOS technology: LSTTL-like speed with low power consumption.
• Typical propagation delay ≈ 8 ns (VCC = 5 V, CL = 15 pF, TA = 25 °C).
• Ability to drive 10 LSTTL loads (standard outputs).
• Wide recommended supply range (HC types: 2 V to 6 V).
• High noise immunity (NIL/NIH ≈ 30% of VCC at VCC = 5 V).
• Wide ambient temperature range (–55 °C to +125 °C for specified devices).

Specifications:

Applications:

• General-purpose digital logic.
• Interface to LSTTL / mixed-logic systems.
• Address decoding and control gating.
• Industrial / military temperature-range systems.

Package Contents:

• 1x 4002 Dual 4 Input NOR Gate CMOS Logic IC

Datasheet