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STK11C68 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part No. STK11C68
Description  8K x 8 nvSRAM QuantumTrap™ CMOS Nonvolatile Static RAM
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Maker  ETC [List of Unclassifed Manufacturers]
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STK11C68 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

 
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STK11C68
June 1999
4-26
SOFTWARE STORE/RECALL MODE SELECTION
Note m: 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 CYCLEn, o
(VCC = 5.0V ± 10%)
b
Note n:
The software sequence is clocked with E controlled reads.
Note o:
The six consecutive addresses must be in the order listed in the Software STORE/RECALL Mode Selection Table: (0000, 1555, 0AAA, 1FFF,
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.
SOFTWARE STORE/RECALL CYCLE: E Controlledo
E
WA12 - A0 (hex)
MODE
I/O
NOTES
LH
0000
1555
0AAA
1FFF
10F0
0F0F
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
STORE
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
m
LH
0000
1555
0AAA
1FFF
10F0
0F0E
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Read SRAM
Nonvolatile
RECALL
Output Data
Output Data
Output Data
Output Data
Output Data
Output High Z
m
NO.
SYMBOLS
PARAMETER
STK11C68-20
STK11C68-25
STK11C68-35
STK11C68-45
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
26
tAVAV
STORE/RECALL Initiation Cycle Time
20
25
35
45
ns
27
tAVEL
n
Address Set-up Time
0000
ns
28
tELEH
n
Clock Pulse Width
15
20
25
30
ns
29
tELAX
n
Address Hold Time
15
20
20
20
ns
30
tRECALL
n
RECALL Duration
20
20
20
20
µs
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
26
tAVAV
DATA VALID
DQ (DATA OUT)
E
ADDRESS
23
30
tSTORE / tRECALL
26
tAVAV
27
tAVEL
28
tELEH
29
tELAX


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