STK11C68-CF25 SIMTEK [Simtek Corporation], STK11C68-CF25 Datasheet - Page 7

• Manufacturer Part Number: STK11C68-CF25
• Description: 8Kx8 SoftStore nvSRAM
• Manufacturer: SIMTEK [Simtek Corporation]

Document Control #ML0007 Rev 0.3
SOFTWARE STORE/RECALL MODE SELECTION
Note l:
SOFTWARE STORE/RECALL CYCLE
Note m: The software sequence is clocked with E controlled reads.
Note n: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
SOFTWARE STORE/RECALL CYCLE: E Controlled
NO.
26
27
28
29
30
ADDRESS
DQ (DATA
E
L
L
February, 2007
SYMBOLS
The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
10F0, 0F0F) for a STORE cycle or (0000, 1555, 0AAA, 1FFF, 10F0, 0F0E) for a RECALL cycle. W must be high during all six consecutive
cycles.
t
t
t
t
t
AVAV
AVEL
ELEH
ELAX
RECALL
E
m
m
m
m
W
H
H
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
Address Hold Time
RECALL Duration
t
AVEL
27
ADDRESS #1
PARAMETER
A
12
- A
0AAA
0AAA
1FFF
0F0F
1FFF
0F0E
t
0000
1555
10F0
0000
1555
10F0
AVAV
26
0
(hex)
t
ELEH
DATA VALID
28
t
ELAX
29
Nonvolatile
Nonvolatile
MIN
STK11C68-25
25
20
20
0
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
m, n
MODE
7
RECALL
MAX
STORE
20
ADDRESS #6
MIN
STK11C68-35
35
25
20
0
t
AVAV
26
STK11C68 (SMD5962–92324)
DATA VALID
n
MAX
20
Output High Z
Output High Z
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
Output Data
I/O
t
STORE
MIN
STK11C68-45
45
30
20
23
0
HIGH IMPEDANCE
/
t
RECALL
MAX
30
20
(V
CC
MIN
STK11C68-55
55
35
20
0
= 5.0V ± 10%)
NOTES
MAX
l
l
20
UNITS
ns
ns
ns
ns
μs