Rainbow-electronics DS1286 Manuel d'utilisateur télécharger pdf (Page 11)

DS1286

11 of 13

POWER-UP/POWER-DOWN CONDITION

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

CE at V

before Power-Down

µs

slew from 4.5V to 0V (CE at V

)

350

µs

slew from 0V to 4.5V (CE at V

)

100

µs

CE at V

after Power Up

REC

150 ns

=25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Expected Data Retention Time t

10 years 9

WARNING:

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

backup mode.

1 2 ... 6 7 8 9 10 11 12 13

Pas de commentaire

Rainbow-electronics DS1286 Manuel d'utilisateur Page 11