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DS1743 Datasheet, PDF (8/17 Pages) Dallas Semiconductor – Y2KC Nonvolatile Timekeeping RAM
READ CYCLE, AC CHARACTERISTICS
DS1743/DS1743P
(Over the Operating Range; VCC = 3.3V ± 10%)
120 ns access 150 ns access
PARAMETER
SYMBOL MIN MAX MIN MAX UNITS NOTES
Read Cycle Time
tRC
120
150
ns
5
Address Access Time
tAA
120
150
ns
5
CE and CE2 Low to DQ Low-Z
tCEL
5
5
ns
5
CE and CE2 Access Time
tCEA
120
150
ns
5
CE and CE2 Data Off time
tCEZ
40
50
ns
5
OE Low to DQ Low-Z
tOEL
5
5
ns
5
OE Access Time
tOEA
100
130
ns
5
OE Data Off Time
tOEZ
35
35
ns
5
Output Hold from Address
tOH
5
5
ns
5
READ CYCLE TIMING DIAGRAM
SEE NOTES
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