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Power-up/down characteristics – Rainbow Electronics DS1558Y User Manual

Page 17

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DS1558

17 of 18

POWER-UP/DOWN CHARACTERISTICS

(V

CC

= +3.3V

±

10%,

T

A

= -40°C to +85°C

)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS NOTES

CE

or

WE

at V

IH

,

Before Power-Down

t

PD

0

ms

V

CC

Fall Time: V

PF(MAX)

to V

PF(MIN)

t

F

300

ms

V

CC

Rise Time: V

PF(MIN)

to V

PF(MAX)

t

R

0

ms

V

PF

to

RST

High

t

REC

40

200

ms

Figure 9. +3.3V POWER-UP/DOWN WAVEFORM TIMING

CAPACITANCE

(

T

A

= +25

°C

)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Capacitance On All Input Pins

C

IN

7

pF

1

Capacitance On

IRQ

/FT,

RST

, and

DQ Pins

C

IO

10

pF

1