
SN74HCT00 Quad 2-Input NAND Gate IC
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Prices updated: 12 Oct 2026
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About this product
A CMOS logic IC with four independent 2-input NAND gates, implementing Y = NOT(A AND B) in positive logic. Its HCT inputs are TTL-compatible, making it useful for digital logic projects, signal gating and building custom logic functions.
Specifications
- Logic function
- Quad 2-input NAND, Y = NOT(A AND B)
- Number of gates
- 4
- Logic family
- HCT (CMOS, TTL-compatible inputs)
- Supply voltage
- 4.5 V to 5.5 V
- Operating temperature (commercial)
- 0 °C to 70 °C
- Package
- 14-pin
Frequently asked questions
How can I make a NOT gate from this IC?
Tie both inputs of one NAND gate together. The output then inverts the single input signal.
What should I do with unused inputs?
Connect unused inputs to VCC or GND. Floating inputs on CMOS logic can cause erratic outputs and higher current consumption.

