MC146818A Datasheet, PDF (5/20 Pages) Motorola, Inc – HIGH-PERFORMANCE SILIICON-GATE COMPLEMENTARY MOS

FIGURE 3 – BUS READ TIMING COMPETITOR MULTIPLEXED BUS
‘LE(AddressLatch
~ (Read Output Enable)
(DS Pin)
C= (Chip Select)
I IL
STBY
ADO-AD7
(Address/ Data Bus)
FIGURE 4 – BUS WRITE TIMINti?@PETITOR
MULTIPLEXED BUS
ADO-AD7
(Address/ Data Bus)
@- *W
25
.
J
Address
<;
Valid
Note: VHIGH=VDD-2.O
V, VLOW=O.8 V, for VDD=5.O V A 10% for outputs only.
VHIGH=2.O V, VLOW=O.5 V, for VDD=3.O V for outputs only.
31
@
Write Data
Valld
MOTOROLA
@
Semicondu^‘c^- tor Products Inc. ^A
5