74HC/HCT20 are high-performance 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.
The Philips 74HC/HCT20 is a high‑speed Si‑gate CMOS dual 4‑input NAND gate compatible with low‑power Schottky TTL. The datasheet provides a complete description of its functionality, pin configuration, and logic symbols.
Key electrical specifications are listed, including standard output capability, SSI Icc category, typical propagation delays of 13 ns (HC) and 8 ns (HCT), and an input capacitance of 3.5 pF. Package outlines and ordering information are also included.
| Output capability | standard |
|---|---|
| Icc category | SSI |
The device has a standard output capability.
It belongs to the SSI (Small-Scale Integration) Icc category.