DS1318 Datasheet, PDF (5/15 Pages) Dallas Semiconductor – Parallel-Interface Elapsed Time Counter

Parallel-Interface Elapsed Time Counter
Power-Up/Power-Down Timing
V_CC
V_PF(MAX)
V_PF(MIN)
t_VCCF
t_VCCR
t_REC
INPUTS
RECOGNIZED
OUTPUTS
VALID
DON'T CARE
HIGH-Z
RECOGNIZED
VALID
POWER-UP/POWER-DOWN CHARACTERISTICS
(T_A = -40°C to +85°C) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
Recovery at Power-Up
V_CC Fall Time; V_PF(MAX) to
V_PF(MIN)
t_REC
t_VCCF
(Note 10)
V_CC Rise Time; V_PF(MIN) to
V_PF(MAX)
t_VCCR
CAPACITANCE
(T_A = +25°C)
PARAMETER
Capacitance on All Input Pins
Capacitance on IRQ, SQW, and
DQ Pins
SYMBOL
C_IN
C_IO
CONDITIONS
MIN TYP MAX UNITS
150
ms
300
μs
0
μs
MIN TYP MAX UNITS
10
pF
10
pF
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