AutoStore™ / POWER-UP RECALL
SYMBOLS
NO.
Standard
PARAMETER
22
tRESTORE
23
tSTORE
24
tDELAY
25
VSWITCH
26
VRESET
Power Up RECALL Duration
STORE Cycle Duration
Time allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
Note k: tRESTORE starts from the time VCC rises above VSWITCH.
AutoStore™ / POWER UP RECALL
V
CC
25 5V
VSWITCH
26
VRESET
AUTOSTORETM
POWER UP RECALL
W
DQ
(Data Out)
t
22
RESTORE
t
24
DELAY
STK15C88
(Vcc = 5.0V ± 10%)
STK15C88
MIN MAX
550
10
1
4.0
4.5
UNITS NOTES
µs
k
ms
g
µs
g
V
3.9
V
23
t STORE
POWER-UP
RECALL
BROWN OUT
NO STORE DUE TO
NO SRAM WRITES
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
BROWN OUT
AutoStore™
NO RECALL
(VCC DID NOT GO
BELOW VRESET)
August 1998
5-39
BROWN OUT
AutoStore™
RECALL WHEN
ABOVE VSWITCH