DS1642 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
DS1642 Datasheet PDF : 13 Pages
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DS1642
POWER-UP/POWER-DOWN AC CHARACTERISTICS
(TA = 0°C to +70°C)
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 Fall Time: VPF (MIN) to VBAT
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
MAX
35
UNITS
s
s
s
s
ms
years
NOTES
4, 5
POWER-UP/POWER-DOWN WAVEFORM TIMING
CAPACITANCE
(TA = +25°C)
PARAMETER
Capacitance on All Pins (except DQ)
Capacitance on DQ Pins
SYMBOL
CIN
CO
MIN
TYP
MAX
7
10
UNITS
pF
pF
NOTES
10 of 13
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