DS1386 DALLAS [Dallas Semiconductor], DS1386 Datasheet - Page 15

• Manufacturer Part Number: DS1386
• Description: RAMified Watchdog Timekeeper
• Manufacturer: DALLAS [Dallas Semiconductor]

AC ELECTRICAL CHARACTERISTICS POWER-UP/POWER-DOWN TIMING
WARNING:
Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery
backup mode.
PARAMETER
Recovery at Power Up
V
V
V
Expected Data Retention
CE
CC
CC
CC
High to Power Fail
Slew Rate Power Down
Slew Rate Power Down
Slew Rate Power Up
4.5V≥V
3.0≤V
4.0≤V
SYMBOL
t
t
t
REC
CC
t
t
t
DR
CC
FB
PF
F
R
CC
≤4.25V
≤4.5V
15 of 20
≥4.0V
MIN
300
10
10
0
MAX
200
0
UNITS
years
ms
ns
µs
µs
µs
(0°C to 70°C)
NOTES
9