Rainbow-electronics DS17287 Bedienungsanleitung PDF herunterladen (Seite 30)

DS17285/DS17287

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POWER-UP/POWER-DOWN TIMING, 5V (T

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

CS High to Power-Fail

0ns

Recovery at Power-Up t

REC

150 ms

Slew Rate Power-Down

4.0 £ V

£ 4.5V

300

Slew Rate Power-Down

3.0 £ V

£ 4.0V

Slew Rate Power-Up

4.5

4.0V

Expected Data Retention t

10 years 9, 10

POWER-UP/POWER-DOWN TIMING, 3V (T

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

CS High to Power-Fail

0ns

Recovery at Power-Up t

REC

150 ms

Slew Rate Power-Down

2.5 £ V

£ 3.0V

300

Slew Rate Power-Up

3.0

2.5V

Expected Data Retention t

10 years 9, 10

Warning: Under no circumstances are negative undershoots, of any amplitude, allowed when device is

in battery back-up mode.

CAPACITANCE (T

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Input Capacitance C

12 pF

Output Capacitance C

OUT

12 pF

WAKE-UP/KICKSTART TIMING (T

= +25°C)

PARAMETER SYMBOL MIN TYP MAX UNITS NOTES

Kickstart-Input Pulse-Width t

KSPW

Wake-up/Kickstart Power-On

Timeout

POTO

2s7

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 36 37 38

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