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Part Name
Description
STK25C48-W20I View Datasheet(PDF) - Unspecified
Part Name
Description
Manufacturer
STK25C48-W20I
2K x 8 AutoStore™ nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM
Unspecified
STK25C48-W20I Datasheet PDF : 8 Pages
1
2
3
4
5
6
7
8
AutoStore
™
/POWER-UP
RECALL
SYMBOLS
NO.
Standard
PARAMETER
22
t
RESTORE
23
t
STORE
24
t
DELAY
25
V
SWITCH
26
V
RESET
Power-up
RECALL
Duration
STORE
Cycle Duration
Time Allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
Note l: t
RESTORE
starts from the time V
CC
rises above V
SWITCH
.
AutoStore
™
/POWER-UP
RECALL
V
CC
25
5V
V
SWITCH
26
V
RESET
AutoStore
™
OWER-UP
RECALL
W
22
t
RESTORE
DQ (DATA OUT)
24
t
DELAY
STK25C48
(V
CC
= 5.0V ± 10%)
b
STK25C48
MIN MAX
UNITS NOTES
550
µ
s
l
10
ms
h
1
µ
s
h
4.0
4.5
V
3.6
V
f
23
t
STORE
POWER-UP
BROWN OUT
RECALL
NO
STORE
DUE TO
NO SRAM WRITES
NO
RECALL
(V
CC
DID NOT GO
BELOW V
RESET
)
BROWN OUT
AutoStore
™
NO
RECALL
(V
CC
DID NOT GO
BELOW V
RESET
)
BROWN OUT
AutoStore
™
RECALL
WHEN
V
CC
RETURNS
ABOVE V
SWITCH
July 1999
3-35
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