Datasheet

DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
11 of 17
AC CHARACTERISTICS—READ CYCLE (3.3V)
(V
CC
= 3.3V ±10%, T
A
= Over the Operating Range.)
PARAMETER SYMBOL
ACCESS
UNITS NOTES
120ns 150ns
MIN MAX MIN MAX
Read Cycle Time t
RC
120 150 ns
Address Access Time t
AA
120 150 ns
CE and CE2 Low to DQ Low-Z
t
CEL
5 5 ns 5
CE Access Time
t
CEA
120 150 ns 5
CE2 Access Time t
CE2A
140 170 ns 5
CE and CE2 Data-Off time
t
CEZ
40 50 ns 5
OE Low to DQ Low-Z
t
OEL
5 5 ns
OE Access Time
t
OEA
100 130 ns
OE Data-Off Time
t
OEZ
35 35 ns
Output Hold from Address t
OH
5 5 ns
READ CYCLE TIMING DIAGRAM