STK11C88_08 SIMTEK [Simtek Corporation], STK11C88_08 Datasheet - Page 8

• Manufacturer Part Number: STK11C88_08
• Description: 32Kx8 SoftStore nvSRAM
• Manufacturer: SIMTEK [Simtek Corporation]

STK11C88
Document Control #ML0012 Rev 2.0
SOFTWARE STORE/RECALL MODE SELECTION
Note l:
Note m: While there are 15 addresses on the STK11C88, only the lower 14 are used to control software modes.
SOFTWARE STORE/RECALL CYCLE
Note n: The software sequence is clocked on the falling edge of E controlled READs without involving G (double clocking will abort the sequence). See
Note o: The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0E38, 31C7, 03E0, 3C1F,
SOFTWARE STORE/RECALL CYCLE: E Controlled
NO.
26
27
28
29
30
ADDRESS
E
L
L
DQ (DATA OUT)
Jan, 2008
SYMBOLS
The six consecutive addresses must be in the order listed. W must be high during all six consecutive E controlled cycles to enable a nonvolatile
cycle.
application note: MA0002 http://www.simtek.com/attachments/AppNote02.pdf.
303F, 0FC0) for a STORE cycle or (0E38, 31C7, 03E0, 3C1F, 303F, 0C63) for a RECALL cycle. W must be high during all six consecutive
cycles.
t
t
t
t
t
AVAV
AVEL
ELEH
ELAX
RECALL
E
E
n
n
n
n
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
A
13
- A
0E38
31C7
03E0
3C1F
303F
0FC0
0E38
31C7
03E0
3C1F
303F
0C63
t
AVAV
26
0
(hex)
t
ELEH
DATA VALID
28
t
ELAX
29
PARAMETER
Nonvolatile
Nonvolatile
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
n, o
MODE
8
RECALL
STORE
ADDRESS #6
t
AVAV
26
DATA VALID
o
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
MIN
STORE
STK11C88-25
25
20
20
0
23
HIGH IMPEDANCE
/
t
RECALL
MAX
20
30
(V
CC
MIN
STK11C88-45
45
30
20
0
= 5.0V ± 10%)
NOTES
l, m
l, m
MAX
20
UNITS
ns
ns
ns
ns
μ s