SN54HC646, SN74HC646
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCLS150C – DECEMBER 1982 – REVISED MARCH 2003 D
D D
D
D
D
D Wide Operating Voltage Range of 2 V to 6 V
High-Current 3-State Outputs Can Drive Up
To 15 LSTTL Loads
Low Power Consumption, 80-ВµA Max ICC
Typical tpd = 11 ns В±6-mA Output Drive at 5 V
Low Input Current of 1 ВµA Max
Independent Registers for A and B Buses
Multiplexed Real-Time and Stored Data
True Data Paths SN54HC646 . JT OR W PACKAGE
SN74HC646 . DW OR NT PACKAGE
(TOP VIEW)
24 2 23 3 22 4 21 5 20 6 19 7
8
9 18
17 …
