STK11C48
SOFTWARE
STORE/RECALL
MODE SELECTION
E
W
A
10
- A
0
(hex)
000
555
2AA
7FF
0F0
70F
000
555
2AA
7FF
0F0
70E
MODE
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
STORE
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
RECALL
I/O
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
NOTES
L
H
l
L
H
l
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.
SOFTWARE
STORE/RECALL
CYCLE
m, n
STK11C48-25
NO.
26
27
28
29
30
SYMBOLS
t
AVAV
t
AVELm
t
ELEHm
t
ELAXm
t
RECALLm
PARAMETER
MIN
STORE/RECALL
Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
Address Hold Time
RECALL
Duration
25
0
20
20
20
MAX
MIN
35
0
25
20
(V
CC
= 5.0V
±
10%)
b
STK11C48-35
MAX
STK11C48-45
UNITS
MIN
45
0
30
20
20
20
MAX
ns
ns
ns
ns
μs
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.
SOFTWARE
STORE/RECALL
CYCLE:
E Controlled
t
AVAV
ADDRESS
27
ADDRESS #1
26
t
AVAV
ADDRESS #6
26
t
AVEL
E
t
ELEH
28
t
ELAX
23
30
/
t
RECALL
29
t
STORE
DQ (DATA OUT)
DATA VALID
DATA VALID
HIGH IMPEDANCE
March 2006
6Document Control # ML0003 rev 0.2
SIMTEK [ SIMTEK CORPORATION ]
