GENERAL DESCRIPTION
The 74HC/HCT640 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/HCT640 are octal transceivers featuring inverting 3-state bus compatible outputs in both send andreceive directions.

FEATURES
• Octal bidirectional bus interface
• Inverting 3-state outputs
• Output capability: bus driver
• ICC category: MSI