MC74LCX16501 Datasheet, PDF (4/10 Pages) Motorola, Inc – LOW-VOLTAGE CMOS 18-BIT UNIVERSAL BUS TRANSCEIVER

MC74LCX16501
Real Time Transfer – Bus B to
Bus A
Real Time Transfer – Bus A to
Bus B
OEAB OEBA CAB CBA LEAB LEBA
L
L
X
X
X
H
Store Data from Bus A, Bus B or
Bus A and Bus B
OEAB OEBA CAB CBA LEAB LEBA
H
H
X
X
H
X
Transfer A Stored Data to Bus B
or B Stored Data to Bus A or
Both at the Same Time
OEAB OEBA CAB
X
H
↑
L
X
X
L
H
X
CBA LEAB LEBA
X
L
X
↑
X
L
X
L
L
Store Bus A in Both Registers or
Store Bus B in Both Registers
OEAB OEBA CAB CBA LEAB LEBA
H
H
↑
X
L
X
L
L
X
↑
X
L
H
L H or L H or L L
L
Isolation
OEAB OEBA CAB
H
H
X
L
L
X
CBA LEAB LEBA
X
L
L
X
L
L
OEAB OEBA CAB CBA LEAB LEBA
L
H H or L H or L L
L
Figure 3. Bus Applications
MOTOROLA
4
LCX DATA
BR1339 — REV 3