STK14C88-M Simtek, STK14C88-M Datasheet - Page 6

• Manufacturer Part Number: STK14C88-M
• Description: 32K x 8 AUTOSTORE nvSRAM QUANTUM TRAP CMOS NONVOLATILE STATIC RAM
• Manufacturer: Simtek

STK14C88-M
AutoStore ™/POWER-UP RECALL
Note s: t
Note t:
AutoStore ™/POWER-UP RECALL
April 1999
POWER-UP RECALL
NO.
27
28
29
30
31
32
DQ (DATA OUT)
HSB is asserted low for 1
will be released and no STORE will take place.
AutoStore ™
RESTORE
V
V
SWITCH
RESET
Standard
t
t
t
t
V
V
RESTORE
STORE
VSBL
DELAY
SWITCH
RESET
31
32
HSB
W
starts from the time V
V
SYMBOLS
CC
POWER-UP
RECALL
Alternate
t
t
HLHZ
BLQZ
t
RESTORE
27
s
when V
CC
NO STORE DUE TO
NO SRAM WRITES
(V
rises above V
BELOW V
CAP
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
CC
BROWN OUT
NO RECALL
drops through V
DID NOT GO
RESET
SWITCH
)
.
SWITCH
SWITCH
5-48
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
AutoStore ™
t
VSBL
t
DID NOT GO
29
DELAY
30
RESET
)
ABOVE V
RECALL WHEN
(V
V
BROWN OUT
CC
AutoStore ™
STK14C88-M
MIN
t
4.0
STORE
1
CC
28
RETURNS
= 5.0V
SWITCH
MAX
550
300
4.5
3.9
10
UNITS
ms
ns
V
V
s
s
10%)
NOTES
q, t
s
q
l
e