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DS1744-70 Datasheet(PDF) 13 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

Part # DS1744-70
Description  Y2K-Compliant, Nonvolatile Timekeeping RAMs
PDF  19 Pages
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Manufacturer  ARTSCHIP [ARTSCHIP ELECTRONICS CO.,LMITED.]
Direct Link  http://www.artschip.com/
Logo ARTSCHIP - ARTSCHIP ELECTRONICS CO.,LMITED.

DS1744-70 Datasheet(HTML) 13 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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DS1744/DS1744P
Y2K-Compliant, Nonvolatile Timekeeping RAMs
www.artschip.com
13
POWER-UP/DOWN CHARACTERISTICS (3.3V)
(Vcc = 3.3V ± 10%, TA = Over the operating range.)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
or
at VIH, Before Power-Down
tPD
0
µs
VCC Fall Time: VPF(MAX) to VPF(MIN)
tF
300
µs
VCC Rise Time: VPF(MIN) to VPF(MAX)
tR
0
µs
VPF to RST High
tREC
35
ms
Expected Data-Retention Time (Oscillator ON) tDR
10
years
5, 6
POWER-UP./DOWN WAVEFORM TIMING (3.3V DEVICE)
CAPACITANCE
(TA=+25
℃)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Capacitance On All Input Pins
CIN
14
pF
Capacitance On All Output Pins
CO
10
pF



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