STK16C88-3_08 SIMTEK [Simtek Corporation], STK16C88-3_08 Datasheet - Page 7

• Manufacturer Part Number: STK16C88-3_08
• Description: 32Kx8 AutoStore+ nvSRAM
• Manufacturer: SIMTEK [Simtek Corporation]

Document Control #ML0019 Rev 2.0
SOFTWARE STORE/RECALL MODE SELECTION
Note l:
Note m: While there are 15 addresses on the STK16C88-3, 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
31
ADDRESS
E
L
L
DQ (DATA
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
t
AVAV
AVEL
ELEH
ELAX
RECALL
STORE
E
n
n
g, n
W
H
H
STORE/RECALL Initiation Cycle Time
Address Set-up Time
Clock Pulse Width
Address Hold Time
RECALL Cycle Duration
STORE Cycle Duration
t
AVEL
27
ADDRESS #1
A
13
t
- A
31C7
3C1F
0FC0
31C7
3C1F
0C63
0E38
03E0
303F
0E38
03E0
303F
AVAV
26
0
(hex)
t
ELEH
DATA VALID
28
t
ELAX
29
PARAMETER
Nonvolatile RECALL
Nonvolatile STORE
n, o
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
MODE
7
ADDRESS #6
t
AVAV
26
o
DATA VALID
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
t
I/O
STORE
31
HIGH IMPEDANCE
/
t
RECALL
30
MIN
STK16C88-3-35
35
25
20
0
(V
CC
STK16C88-3
MAX
= 3.0V-3.6V)
20
10
NOTES
l, m
l, m
UNITS
ms
ns
ns
ns
ns
μs