16
C005383_10 CR80XX Integration Guide
4.9 – Power Down Timing Diagram
4.10 – Sleep to Wakeup Timing Diagram
Power (
V
in
) can be removed at any time except
when the unit is performing an upgrade.
Removing power during an upgrade may
cause the unit to become unusable.
Parameter
Symbol
Min
Typical
Max
Unit
Note
Time from Power Off to
all outputs low
TPD1
56
msec
Signal
Description
Min
Typical
Max
Unit
T
wupw
nWakeUp
pulse width
10
20
msec
T
su
Time between
nWakeUp
asserted and
outputs valid
5
5
10
msec
T
wu
Time between
nWakeUp
asserted and
CR8000 ready
120
msec
T
WUPW
nWakeUp
T
SU
T
WU
PwrDwn
5V
0V
V
IN
5V
0V
Outputs
TPD1
Outputs: PwrDwn, nGoodRead, nBeeper