Rainbow-electronics DS1386 Manuel d'utilisateur télécharger pdf (Page 15)

DS1386/1386P

15 of 20

AC ELECTRICAL CHARACTERISTICS POWER-UP/POWER-DOWN TIMING

(0°C to 70°C)

PARAMETER SYMBOL MIN MAX UNITS NOTES

CE High to Power Fail

0ns

Recovery at Power Up t

REC

200 ms

Slew Rate Power Down t

4.0≤V

≤4.5V

300 µs

Slew Rate Power Down t

3.0≤V

≤4.25V

10 µs

Slew Rate Power Up t

4.5V≥V

≥4.0V

0µs

Expected Data Retention t

10 years 9

WARNING:

Under no circumstances are negative undershoots, of any amplitude, allowed when device is in battery

backup mode.

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Rainbow-electronics DS1386 Manuel d'utilisateur Page 15