The 7427 Triple 3-Input NOR Gate IC (DIP) is a standard 74xx TTL logic device that integrates three independent 3-input NOR gates in one 14-pin package. A NOR gate outputs HIGH only when all inputs are LOW, making it a powerful universal gate for building any digital function. Ideal for digital logic design, control and decision circuits, and educational labs. The DIP-14 package is breadboard-friendly for quick prototyping.
Key Features
- Three independent 3-input NOR gates (triple NOR)
- TTL 74xx family; typical 5V operation (4.75–5.25V)
- Fast switching with reliable TTL thresholds
- Direct interfacing with standard TTL/CMOS (with proper levels)
- DIP-14 package; easy for breadboards and PCBs
- Universal gate—can implement any logic function
Applications
- Combinational logic and decision circuits
- Enable/disable control, gating, and decoding
- Timing/sequencing and simple state logic
- Microcontroller/FPGA interfacing and prototyping
- Educational kits and student digital labs
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