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DATA SHEET www.onsemi.com
Octal Bus Buffer/Line Driver
MC74VHC245, MC74VHCT245A
The MC74VHC245/MC74VHCT245A is an advanced high speed CMOS octal bus buffer fabricated with silicon gate CMOS technology.
It is intended for two−way asynchronous communication between data buses. The direction of data transmission is determined by the level of the DIR input. The output enable pin (OE) can be used to disable the device, so that the buses are effectively isolated.
All inputs are equipped with protection circuits against static discharge.
The MC74VHC245 inputs are compatible with standard CMOS levels while the MC74VHCT245A inputs are compatible with TTL levels. The MC74VHCT245A device can be used as a level converter for interfacing 3.3 V to 5.0 V, because it has full 5.