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DS1558W Datasheet(PDF) 13 Page - Dallas Semiconductor

Part # DS1558W
Description  Watchdog Clock with NV RAM Control
PDF  18 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1558W Datasheet(HTML) 13 Page - Dallas Semiconductor

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DS1558
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READ CYCLE, AC CHARACTERISTICS
(VCC = +3.3V ±10% or +5V ±10%, TA = -40°C to +85°C)
VCC = +5.5V ±10%
VCC = +3.3V ±10%
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
UNITS NOTES
Read Cycle Time
tRC
70
120
ns
Address Access Time
tAA
70
120
ns
CE
to DQ Low-Z
tCEL
5
5
ns
CE
Access Time
tCEA
70
120
ns
CE
Data Off Time
tCEZ
25
40
ns
OE
to DQ Low-Z
tOEL
5
5
ns
OE
Access Time
tOEA
35
100
ns
OE
Data Off Time
tOEZ
25
35
ns
Output Hold from
Address
tOH
5
5
ns
CE
to CER Propagation
Delay, +5V
tCEPD
15
ns
OE
to OER Propagation
Delay, +5V
tOEPD
20
ns
CE
to CER Propagation
Delay, +3.3V
tCEPD
30
ns
OE
to OER Propagation
Delay, +3.3V
tOEPD
40
ns
Figure 5. READ CYCLE TIMING DIAGRAM



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