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DS1384 Datasheet(PDF) 13 Page - Dallas Semiconductor

Part # DS1384
Description  Watchdog Timekeeping Controller
PDF  17 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1384 Datasheet(HTML) 13 Page - Dallas Semiconductor

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DS1384
13 of 17
CAPACITANCE
(tA = 25°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Capacitance on all pins
(except DQ)
CI
715
pF
Capacitance on DQ pins
CDQ
715
pF
AC ELECTRICAL CHARACTERISTICS
(0°C to 70°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE
at VIH before Power
Down
tPD
0µs
VPF (Max) to VPF (Min)
VCC Fall Time
tF
300
µs
VPF (Min) to VSO VCC Fall
Time
tFB
10
µs
VPF (Min) to VPF (Max)
VCC Rise Time
tR
0µs
Power Up
tREC
10
150
ms
Expected Data Retention
Time (Oscillator On)
tDR
10
years
7
READ CYCLE TIMING: RTC AND EXTERNAL SRAM CONTROL SIGNALS



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