STK11C48
SOFTWARE STORE/RECALL MODE SELECTION
E
W
A
- A (hex)
MODE
I/O
NOTES
10
0
000
555
2AA
7FF
0F0
70F
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
L
H
l
Nonvolatile STORE
000
555
2AA
7FF
0F0
70E
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
L
H
l
Nonvolatile RECALL
Note l: The six consecutive addresses must be in the order listed. W must be high during all six consecutive cycles to enable a nonvolatile cycle.
m, n
b
SOFTWARE STORE/RECALL CYCLE
(V = 5.0V 10%)
CC
STK11C48-25
STK11C48-35
STK11C48-45
NO.
SYMBOLS
PARAMETER
UNITS
MIN
25
0
MAX
MIN
35
0
MAX
MIN
45
0
MAX
26
27
28
29
30
t
t
t
t
t
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
ns
ns
ns
ns
μs
AVAV
m
m
AVEL
20
20
25
20
30
20
ELEH
m
Address Hold Time
ELAX
m
RECALL Duration
20
20
20
RECALL
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: (000, 555, 2AA, 7FF, 0F0,
70F) for a STORE cycle or (000, 555, 2AA, 7FF, 0F0, 70E) for a RECALL cycle. W must be high during all six consecutive cycles.
n
SOFTWARE STORE/RECALL CYCLE: E Controlled
26
AVAV
26
t
AVAV
t
ADDRESS #1
ADDRESS #6
ADDRESS
27
AVEL
28
t
ELEH
t
E
29
ELAX
t
23
30
RECALL
t
STORE / t
HIGH IMPEDANCE
DATA VALID
DATA VALID
DQ (DATA OUT)
March 2006
6Document Control # ML0003 rev 0.2
SIMTEK [ SIMTEK CORPORATION ]
