The 74HC/HCT20 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A. The 74HC/HCT20 provide the 4-input NAND function.
This document is a product specification datasheet for the Philips 74HC/HCT20, which are high-speed Si-gate CMOS devices. The device provides the 4-input NAND function and is pin compatible with low power Schottky TTL (LSTTL). It complies with JEDEC standard no. 7A.
| Propagation delay (typical) | 8 ns (HC) / 13 ns (HCT) |
|---|---|
| Input capacitance | 3.5 pF |
| Power dissipation capacitance per package (HC) | 22 pF |
The device provides the 4-input NAND function.
The value is 0.3 per input.