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DS1284Q/T Datasheet(PDF) 10 Page - Dallas Semiconductor

Part # DS1284Q/T
Description  Watchdog Timekeepers
PDF  18 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1284Q/T Datasheet(HTML) 10 Page - Dallas Semiconductor

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DS1284/DS1286
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CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Input Capacitance
CIN
7
10
pF
Output Capacitance
COUT
7
10
pF
Input/Output Capacitance
CI/O
7
10
pF
AC ELECTRICAL CHARACTERISTICS
(VCC = 4.5V to 5.5V, TA = -40°C to +85°C or 0°C to +70°C.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS NOTES
Read Cycle Time
tRC
150
ns
1
Address Access Time
tACC
150
ns
CE Access Time
tCO
150
ns
OE Access Time
tOE
60
ns
OE or CE to Output Active
tCOE
10
ns
Output High-Z from Deselect
tOD
60
ns
Output Hold from Address Change
tOH
10
ns
Write Cycle Time
tWC
150
ns
Write Pulse Width
tWP
140
ns
3
Address Setup Time
tAW
0
ns
Write Recovery Time
tWR
10
ns
Output High-Z from
WE
tODW
50
ns
Output Active from
WE
tOEW
10
ns
Data Setup Time
tDS
45
ns
4
Data Hold Time
tDH
0
ns
4,5
INTA, INTB Pulse Width
tIPW
3
ms
11,12



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