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MC74ACT643


Part Number MC74ACT643
Manufacturer Motorola
Title OCTAL BIDIRECTIONAL TRANSCEIVER
Description www.DataSheet4U.com MC74AC643 MC74ACT643 Octal Bidirectional Transceiver with 3ĆState Outputs The MC74AC643/74ACT643 octal bus transceiver is des...
Features B to A B to A Output X L H H L H = HIGH Voltage Level L = LOW Voltage Level X = Immaterial FACT DATA DataSheet 4 U .com 5-1 www.DataSheet4U.com MC74AC643 MC74ACT643 MAXIMUM RATINGS* Symbol VCC Vin Vout Iin Iout ICC Tstg Parameter DC Supply Voltage (Referenced to GND) DC Input Voltage (Referen...

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MC74ACT646 : MC74AC646, MC74ACT646 Octal Transceiver/Register with 3-State Outputs (Non-inverting) The MC74AC646/74ACT646 consist of registered bus transceiver circuits, with outputs, D−type flip−flops and control circuitry providing multiplexed transmission of data directly from the input bus or from the internal storage registers. Data on the A or B bus will be loaded into the respective registers on the LOW−to−HIGH transition of the appropriate clock pin (CAB or CBA). The four fundamental data handling functions available are illustrated Figures 1 to 4. Features • Independent Registers for A and B Buses • Multiplexed Real−Time and Stored Data Transfers • Choice of True and Inverting Data Paths • 3−S.

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