The 74HC21 is a high-speed dual 4-input AND gate. It features low power dissipation, compliance with JEDEC standard 7A, strong ESD protection and a wide temperature range.
The 74HC21 is a high‑speed Si‑gate CMOS dual 4‑input AND gate compatible with low‑power Schottky TTL. It complies with JEDEC standard no. 7A and is offered in several package types.
The document lists electrical parameters such as a typical supply voltage of 5 V, propagation delay around 6 ns, input capacitance of 3.5 pF, and an operating temperature range from –40 °C to +125 °C, together with ordering information and pin descriptions.
| Typical supply voltage (VCC) | 5.0 V |
|---|---|
| Propagation delay (typical) | 6 ns |
| Input capacitance (typical) | 3.5 pF |
The typical supply voltage is 5.0 V.
The typical propagation delay is about 6 ns.