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DS1543 Datasheet(PDF) 11 Page - Dallas Semiconductor

Part # DS1543
Description  64k NV Timekeeping RAM
PDF  17 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1543 Datasheet(HTML) 11 Page - Dallas Semiconductor

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DS1543
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READ CYCLE, AC CHARACTERISTICS
(VCC = 5.0V
±10%)
70 ns access
100 ns access
PARAMETER
SYMBOL
MIN
MAX
MIN
MAX
UNITS
NOTES
Read Cycle Time
tRC
70
100
ns
Address Access Time
tAA
70
100
ns
CE
to DQ Low-Z
tCEL
55
ns
CE
Access Time
tCEA
70
100
ns
CE
Data Off time
tCEZ
25
35
ns
OE
to DQ Low-Z
tOEL
55
ns
OE
Access Time
tOEA
35
55
ns
OE
Data Off Time
tOEZ
25
35
ns
Output Hold from Address
tOH
55
ns
READ CYCLE, AC CHARACTERISTICS
(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
to DQ Low-Z
tCEL
5
5
ns
5
CE
Access Time
tCEA
120
150
ns
5
CE
Data Off time
tCEZ
40
50
ns
5
OE
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



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