SN54LVTH652, SN74LVTH652
3.3 V ABT OCTAL BUS TRANSCEIVERS AND REGISTERS
WITH 3 STATE OUTPUTS
SCBS706F − AUGUST 1997 − REVISED OCTOBER 2003
BUS B
3
21
OEAB OEBA
L
L
1
23
2
CLKAB CLKBA SAB
X
X
X
22
SBA
L
3
21
OEAB OEBA
H
H
1
CLKAB
X
23
CLKBA
X
2
SAB
L
BUS B
22
SBA
X
REAL-TIME TRANSFER
BUS A TO BUS B
1
CLKAB
H or L
23
CLKBA
H or L
2
SAB
H
BUS B
22
SBA
H
TRANSFER STORED DATA
TO A AND/OR B
BUS A
REAL-TIME TRANSFER
BUS B TO BUS A
BUS B
BUS A
3
OEAB
X
L
L
21
OEBA
H
X
H
23
2
1
CLKAB CLKBA SAB
↑
X
↑
X
↑
↑
X
X
X
22
SBA
X
X
X
3
OEAB
H
OEBA
L
STORAGE FROM
A, B, OR A AND B
Pin numbers shown are for the DB, DGV, DW, JT, NS, PW, and W packages.
Figure 1. Bus-Management Functions
POST OFFICE BOX 655303
•
DALLAS, TEXAS 75265
BUS A
21
BUS A
3