74HC/HCT21 are high performance dual 4-input AND gates and are pin compatible with low power Schottky TTL (LSTTL).
The Philips 74HC/HCT21 is a high-speed Si-gate CMOS integrated circuit designed to provide the 4-input AND function. These devices are specified in compliance with JEDEC standard no. 7A and are pin compatible with low power Schottky TTL (LSTTL). The component is categorized as Small Scale Integration (SSI) with standard output capability.
| Logic Function | Dual 4-input AND gate |
|---|---|
| Technology | High-speed Si-gate CMOS |
| TTL Compatibility | Low power Schottky TTL (LSTTL) |
| Standard Compliance | JEDEC standard no. 7A |
| Icc Category | SSI |
| Output Capability | Standard |
| Propagation Delay (Typical) | 10 ns |
| Input Capacitance | 3.5 pF |
The device provides the 4-input AND function.
Yes, it is pin compatible with low power Schottky TTL (LSTTL).
The typical propagation delay is 10 ns.