Rainbow Electronics DS1558Y - Manual (Page 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