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SL74HC640D Datenblatt(PDF) 1 Page - System Logic Semiconductor |
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SL74HC640D Datenblatt(HTML) 1 Page - System Logic Semiconductor |
1 / 5 page SL74HC640 System Logic Semiconductor SLS Octal 3-State Inverting Bus Transceiver High-Performance Silicon-Gate CMOS The SL74HC640 is identical in pinout to the LS/ALS640. The device inputs are compatible with standard CMOS outputs; with pullup resistors, they are compatible with LS/ALSTTL outputs. The SL74HC640 is a 3-state transceiver that is used for 2-way asynchronous communication between data buses. The device has an active-low Output Enable pin, which is used to place the I/O ports into high-impedance states. The Direction control determines whether data flows from A to B or from B to A. • Outputs Directly Interface to CMOS, NMOS, and TTL • Operating Voltage Range: 2.0 to 6.0 V • Low Input Current: 1.0 µA • High Noise Immunity Characteristic of CMOS Devices ORDERING INFORMATION SL74HC640N Plastic SL74HC640D SOIC TA = -55 ° to 125° C for all packages PIN ASSIGNMENT FUNCTION TABLE Control Inputs Output Enable Direction Operation L L Data Transmitted from Bus B to Bus A (inverted) L H Data Transmitted from Bus A to Bus B (inverted) H X Buses Isolated (High Impedance State) X = don’t care LOGIC DIAGRAM PIN 20=VCC PIN 10 = GND |
Ähnliche Teilenummer - SL74HC640D |
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Ähnliche Beschreibung - SL74HC640D |
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