MC74ACT640 transciever equivalent, octal 3-state inverting transciever.
* Bidirectional Data Path
* A and B Outputs Sink 24 mA/Source −24 mA
* TTL Compatible Inputs
* These are Pb−Free Devices
VCC OE B0 B1 B2 B3 B4 B5 B6 B7 20.
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