DS8640 receiver equivalent, quad nor unified bus receiver.
Y Low input current with normal VCC or VCC e 0V (30 mA typ)
Y High noise immunity (1 1V typ)
Y Temperature-insensitive input thresholds track bus logic levels
Y TTL compa.
The DS7640 and DS8640 are quad 2-input receivers designed for use in bus organized data transmission systems interconnected by terminated 120X impedance lines The external termination is intended to be 180X resistor from the bus to the a5V logic supp.
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