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DS1747P Datasheet(PDF) 12 Page - Dallas Semiconductor

Part # DS1747P
Description  Y2K-Compliant, Nonvolatile Timekeeping RAMs
PDF  18 Pages
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Manufacturer  DALLAS [Dallas Semiconductor]
Direct Link  https://www.maximintegrated.com/en.html
Logo DALLAS - Dallas Semiconductor

DS1747P Datasheet(HTML) 12 Page - Dallas Semiconductor

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DS1747/DS1747P Y2K-Compliant, Nonvolatile Timekeeping RAMs
12 of 18
POWER-UP/DOWN AC CHARACTERISTICS (5V)
(VCC = 5.0V
±10%, TA = Over the Operating Range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
CE or WE at VH
Before Power-Down
tPD
0
ms
VCC Fall Time: VPF(MAX) to
VPF(MIN)
tF
300
ms
VCC Fall Time: VPF(MIN) to VSO
tFB
10
ms
VCC Rise Time: VPF(MIN) to
VPF(MAX)
tR
0
ms
Power-Up Recover Time
tREC
35
ms
Expected Data-Retention Time
(Oscillator ON)
tDR
10
years
5, 6
POWER-UP/DOWN TIMING (5V DEVICE)



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