IC: 74HC00N 

Manufacturer: Philips

Description: Quad 2-input nand gate

The 74HC00/74HCT00 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 74HC00/74HCT00 provide the 2-input NAND function

Package: SOT27-1 (DIP-14) Quad 2-Input NAND Gate Propagation Delay (NS): 7@5v Voltage: 2.0v - 6.0v No. of Pins: 14 .pdf datasheet

Games that use this part:

Sonic the Hedgehog 3 - Sega Genesis

College Football's National Championship 2 - Sega Genesis