Rainbow-electronics DS1486P Instrukcja Użytkownika Pobierz pdf (Strona 12)

DS1486/DS1486P

12 of 17

POWER-DOWN/POWER-UP TIMING

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

4.0£V

£4.5V

300

Slew Rate

Power-Down

3.0£V

£4.25V

Slew Rate Power-Up t

4.5V³V

³4.0V

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 DS1486P Instrukcja Użytkownika Strona 12