Datasheet

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A1
B1
One of Eight Channels
SAB
CLKAB
SBA
CLKBA
DIR
OE
To Seven Other Channels
21
3
23
22
1
2
4
20
1D
C1
1D
C1
Pin numbers shown are for the DB, DW, JT, NS, PW, and W packages.
SN54LVC646A, SN74LVC646A
OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3-STATE OUTPUTS
SCAS302J JANUARY 1993 REVISED AUGUST 2005
LOGIC DIAGRAM (POSITIVE LOGIC)
4