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DS1744 Datasheet(PDF) 13 Page - Maxim Integrated Products

Part # DS1744
Description  Y2K-Compliant, Nonvolatile Timekeeping RAMs
PDF  16 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

DS1744 Datasheet(HTML) 13 Page - Maxim Integrated Products

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DS1744/DS1744P Y2K-Compliant, Nonvolatile Timekeeping RAMs
13 of 16
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 VIH Before Power-Down
tPD
0
s
VCC Fall Time: VPF(MAX) to VPF(MIN)
tF
300
s
VCC Fall Time: VPF(MIN) to VSO
tFB
10
s
VCC Rise Time: VPF(MIN) to VPF(MAX)
tR
0
s
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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