Logic Gate IC Dual 4 -Input AND 74LS21
The 74LS21 is a TTL-compatible IC with two high-speed 4-input AND gates. It is commonly used in digital systems requiring multi-input logic operations.
Features:
- Dual 4-input AND gates in one package
- High-speed operation up to 40MHz
- TTL compatible
- Wide operating voltage: 4.75 – 5.25V
- Schmitt-trigger inputs for noise immunity
Specifications:
| Parameter | Value |
|---|---|
| Supply Voltage | 4.75 – 5.25V |
| Max Clock Frequency | 40MHz |
| Power Dissipation | 2mW/gate @ 100kHz |
| Min Output Current | 8mA |
| Propagation Delay | 10ns |
| Fan Out (TTL Loads) | 20 |