
DS1386/1386P
14 of 21
AC ELECTRICAL CHARACTERISTICS POWER-UP/POWER-DOWN TIMING
(TA = 0°C to +70°C)
PARAMETER
SYMBOL
MIN
MAX
UNITS
NOTES
CE High to Power Fail
tPF
0
ns
Recovery at Power-Up
tREC
200
ms
VCC Slew Rate Power-Down
tF
4.0 ≤ VCC ≤ 4.5V
300
s
VCC Slew Rate Power-Down
tFB
3.0 ≤ VCC ≤ 4.25V
10
s
VCC Slew Rate Power-Up
tR
4.5V ≥ VCC ≥
4.0V
0
s
Expected Data Retention
tDR
10
Years
9
WARNING: Under no circumstances are negative undershoots, of any amplitude, allowed
when device is in battery-backup mode.