Rainbow-electronics DS1558Y Manuale Utente Scaricare il pdf (Pagina 16)

DS1558

16 of 18

POWER-UP/DOWN CHARACTERISTICS (V

CC

= +5V ±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

Fall Time: V

PF(MIN)

to V

SO

t

FB

10

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 8. +5V POWER-UP/DOWN WAVEFORM TIMING

1 2 ... 11 12 13 14 15 16 17 18

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