
DS1318
Parallel-Interface Elapsed Time Counter
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5
HIGH-Z
DON'T CARE
tVCCR
tREC
VALID
RECOGNIZED
VALID
VCC
VPF(MAX)
VPF(MIN)
tVCCF
INPUTS
OUTPUTS
Power-Up/Power-Down Timing
POWER-UP/POWER-DOWN CHARACTERISTICS
(TA = -40°C to +85°C) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Recovery at Power-Up
tREC
(Note 10)
150
ms
VCC Fall Time; VPF(MAX) to
VPF(MIN)
tVCCF
300
μs
VCC Rise Time; VPF(MIN) to
VPF(MAX)
tVCCR
0
μs
CAPACITANCE
(TA = +25°C)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Capacitance on All Input Pins
CIN
10
pF
Capacitance on IRQ, SQW, and
DQ Pins
CIO
10
pF