DS1742-100IND 查看數據表（PDF） - Maxim Integrated

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DS1742-100IND

Y2KC Nonvolatile Timekeeping RAM

Maxim Integrated 

DS1742

POWER-UP/POWER-DOWN CHARACTERISTICS (3.3V)

(VCC = 3.3V ±10%, Over the operating range.)

25BPARAMETER

26BSYMBOL

MIN 27B

TYP 28B

MAX 29B

CE or WE at VIH, Before Power-

Down

tPD

0

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

tF

300

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

tR

0

Power-Up Recovery Time

tREC

35

Expected Data Retention Time

(Oscillator On)

tDR

10

UNITS 30B

µs

µs

µs

ms

years

NOTES 31B

5, 6

POWER-UP/POWER-DOWN WAVEFORM TIMING (3.3V DEVICE)

CAPACITANCE

(TA = +25°C)

PARAMETER

SYMBOL MIN TYP MAX UNITS NOTES

Capacitance on All Input Pins

CIN

7

pF

Capacitance on All Output

CO

Pins

10

pF

14 of 17

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