MC74LCX652 Datasheet, PDF (3/9 Pages) Motorola, Inc – LOW-VOLTAGE CMOS OCTAL TRANSCEIVER/ REGISTERED TRANSCEIVER WITH DUAL ENABLE

Real Time Transfer – Bus B to
Bus A
MC74LCX652
Real Time Transfer – Bus A to
Bus B
OEAB OEBA CAB CBA SAB SBA
L
L
X
X
X
L
Store Data from Bus A, Bus B or
Bus A and Bus B
OEAB OEBA CAB CBA SAB SBA
H
H
X
X
L
X
Transfer A Stored Data to Bus B
or B Stored Data to Bus A or
Both at the Same Time
OEAB OEBA CAB CBA SAB SBA
X
H
↑
X
X
X
L
X
X
↑
X
X
L
H
↑
↑
X
X
Store Bus A in Both Registers or
Store Bus B in Both Registers
OEAB OEBA CAB CBA SAB SBA
H
H H or L X
H
X
L
L
X H or L X
H
H
L H or L H or L H
H
Isolation
OEAB OEBA CAB CBA SAB SBA
H
H
↑
↑
L
X
L
L
↑
↑
X
L
OEAB OEBA CAB CBA SAB SBA
L
H H or L H or L X
X
Figure 3. Bus Applications
LCX DATA
3
BR1339 — REV 3
MOTOROLA