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SN54HC646, SN74HC646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS150C – DECEMBER 1982 – REVISED MARCH 2003
D Wide Operating Voltage Range of 2 V to 6 V D High-Current 3-State Outputs Can Drive Up
To 15 LSTTL Loads
D Low Power Consumption, 80-µA Max ICC D Typical tpd = 11 ns
D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Independent Registers for A and B Buses D Multiplexed Real-Time and Stored Data D True Data Paths
SN54HC646 . . . JT OR W PACKAGE SN74HC646 . . . DW OR NT PACKAGE
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SN54HC646 . . .