DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs
AC CHARACTERISTICS—READ CYCLE (3.3V)
(VCC = 3.3V ±10%, TA = Over the Operating Range.)
ACCESS
PARAMETER
SYMBOL
120ns
150ns
MIN MAX MIN MAX
Read Cycle Time
tRC
120
150
Address Access Time
CE and CE2 Low to DQ Low-Z
CE Access Time
tAA
120
150
tCEL
5
5
tCEA
120
150
CE2 Access Time
CE and CE2 Data-Off time
OE Low to DQ Low-Z
OE Access Time
OE Data-Off Time
tCE2A
tCEZ
tOEL
tOEA
tOEZ
140
170
40
50
5
5
100
130
35
35
Output Hold from Address
tOH
5
5
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
5
5
5
5
READ CYCLE TIMING DIAGRAM
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