DS1743WP-120 查看數據表（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS1743WP-120

Y2K-Compliant, Nonvolatile Timekeeping RAMs

Dallas Semiconductor -> Maxim Integrated 

DS1743/DS1743P Y2K-Compliant, Nonvolatile Timekeeping RAMs

POWER-UP/DOWN CHARACTERISTICS—3.3V

(VCC = 3.3V 10%, TA = Over the Operating Range.)

PARAMETER

SYMBOL MIN

TYP

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

VPF to RST High

tREC

Expected Data-Retention Time

(Oscillator On)

tDR

10

MAX

35

UNITS

s

s

s

ms

years

NOTES

6, 7

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

CAPACITANCE

(TA = +25C)

PARAMETER

Capacitance on All Input Pins

Capacitance on All Output Pins

SYMBOL

CIN

CO

MIN

TYP

MAX

7

10

UNITS

pF

pF

NOTES

14 of 16

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