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 .
.
.
JT OR W PACKAGE SN74HCT646 .
.
.
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 Data D True Data Paths D High-Current 3-State Outputs Can Drive Up To 15 LSTTL Loads SN54HCT646 .
.
.
FK PACKAGE (TOP VIEW) DIR SAB CLKAB NC VCC CLKBA SBA CLKAB 1 SAB 2 DIR 3 A1 4 A2 5 A3 6 A4 7 A5 8 A6 9 A7 10 A8 11 ...

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