SN54HCT646 - OCTAL BUS TRANSCEIVERS-REGISTERS
ordering information NC * No internal connection The ’HCT646 devices consist of bus-transceiver circuits with 3-state outputs, D-type flip-flops, and control circuitry arranged for multiplexed transmission of data directly from the input bus or from the internal registers.
Data on the A or
D Operating Voltage Range of 4.5 V to 5.5 V D Low Power Consumption, 80-µA Max ICC D Typical tpd = 12 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Inputs Are TTL-Voltage Compatible SN54HCT646 .
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JT OR W PACKAGE SN74HCT646 .
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DW OR NT PACKAGE (TOP VIEW) SN54HCT646, SN74HCT646 OCTAL BUS TRANSCEIVERS AND REGISTERS WITH 3-STATE OUTPUTS SCLS178C MARCH 1984 REVISED MARCH 2003 D Independent Registers for A and B Buses D Multiplexed Real-Time and Stored Dat
