STK14C88-3 Simtek, STK14C88-3 Datasheet - Page 8

• Manufacturer Part Number: STK14C88-3
• Description: 32Kx8 AutoStore nvSRAM
• Manufacturer: Simtek

STK14C88-3
Document Control #ML0015 Rev 0.6
AutoStore/POWER-UP RECALL
Note p: t
Note q: HSB is asserted low for 1
AutoStore/POWER-UP RECALL
POWER-UP RECALL
NO.
27
28
29
30
31
32
DQ (DATA OUT)
February 2007
will be released and no STORE will take place.
AutoStore
RESTORE
V
V
SWITCH
Standard
t
t
t
t
V
V
RESTORE
STORE
VSBL
DELAY
31
32
RESET
SWITCH
RESET
HSB
W
starts from the time V
V
SYMBOLS
CC
POWER-UP
RECALL
Alternate
t
t
t
HLHZ
BLQZ
RESTORE
27
μs
when V
CC
rises above V
(NO SRAM WRITES)
CAP
(V
Power-up RECALL Duration
STORE Cycle Duration
Low Voltage Trigger (V
Time Allowed to Complete SRAM Cycle
Low Voltage Trigger Level
Low Voltage Reset Level
BELOW V
CC
BROWN OUT
NO RECALL
drops through V
NO STORE
DID NOT GO
SWITCH
RESET
)
.
SWITCH
SWITCH
8
PARAMETER
. If an SRAM WRITE has not taken place since the last nonvolatile cycle, HSB
) to HSB Low
(V
BELOW V
CC
BROWN OUT
NO RECALL
t
VSBL
AutoStore
29
DID NOT GO
t
DELAY
30
RESET
)
ABOVE V
RECALL WHEN
V
BROWN OUT
CC
t
MIN
STORE
AutoStore
STK14C88-3
2.7
(V
1
28
RETURNS
CC
SWITCH
MAX
2.95
550
300
2.4
10
= 3V - 3.6V)
UNITS NOTES
ms
μs
ns
μs
V
V
n, q
p
n
l
e