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DS1746 Datasheet(PDF) 13 Page - Dallas Semiconductor

Part # DS1746
Description  Y2KC Nonvolatile Timekeeping RAM
PDF  18 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1746 Datasheet(HTML) 13 Page - Dallas Semiconductor

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DS1746/DS1746P
13 of 18
POWER–UP/DOWN CHARACTERISTICS
(Over the Operating Range; VCC = 3.3V
± 10%)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE or WE at VH, Before
Power-down
tPD
0
µs
VCC Fall Time: VPF(MAX) to
VPF(MIN)
tF
300
µs
VCC Rise Time: VPF(MIN) to
VPF(MAX)
tR
0
µs
VPF to RST High
tREC
35
ms
Expected Data Retention Time
(Oscillator ON)
tDR
10
years
5,6
POWER–UP/DOWN WAVEFORM TIMING 3.3 VOLT DEVICE
CAPACITANCE
t A = 25
°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Capacitance on all input pins
CIN
7pF
Capacitance on all output pins
CO
10
pF



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