DS1743P-85 查看數據表（PDF） - Maxim Integrated

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DS1743P-85

Y2K-Compliant, Nonvolatile Timekeeping RAMs

Maxim Integrated 

DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs

POWER-UP/DOWN CHARACTERISTICS—5V

(VCC = 5.0V ±10%, TA = Over the Operating Range.)

PARAMETER

SYMBOL MIN

CE or WE at VIH, CE2 at VIL, Before

Power-Down

tPD

0

VCC Fall Time: VPF(MAX) to VPF(MIN)

tF

300

VCC Fall Time: VPF(MIN) to VSO

tFB

10

VCC Rise Time: VPF(MIN) to VPF(MAX)

tR

0

Power-Up Recover Time

tREC

Expected Data-Retention Time

(Oscillator On)

tDR

10

TYP

MAX

35

UNITS

µs

µs

µs

µs

ms

years

NOTES

6, 7

POWER-UP/DOWN TIMING (5V DEVICE)

14 of 17

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