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STK16C88 Datasheet(PDF) 6 Page - List of Unclassifed Manufacturers

Part No. STK16C88
Description  32K x 8 AutoStorePlus nvSRAM QuantumTrap CMOS Nonvolatile Static RAM
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Maker  ETC1 [List of Unclassifed Manufacturers]
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STK16C88 Datasheet(HTML) 6 Page - List of Unclassifed Manufacturers

 
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STK16C88
February 2002
5-70
SOFTWARE STORE/RECALL MODE SELECTION
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.
Note m: While there are 15 addresses on the STK16C88, only the lower 14 are used to control software modes.
SOFTWARE STORE/RECALL CYCLEn, o
(VCC = 5.0V ± 10%)
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: (0E38, 31C7, 03E0, 3C1F,
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.
SOFTWARE STORE/RECALL CYCLE: E Controlledo
E
W
A13 - A0 (hex)
MODE
I/O
NOTES
LH
0E38
31C7
03E0
3C1F
303F
0FC0
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
l, m
LH
0E38
31C7
03E0
3C1F
303F
0C63
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
l, m
NO.
SYMBOLS
PARAMETER
STK16C88-25
STK16C88-35
STK16C88-45
UNITS
MIN
MAX
MIN
MAX
MIN
MAX
26
tAVAV
STORE/RECALL Initiation Cycle Time
25
35
45
ns
27
tAVEL
n
Address Set-up Time
0
0
0
ns
28
tELEH
n
Clock Pulse Width
20
25
30
ns
29
tELAX
g, n
Address Hold Time
20
20
20
ns
30
tRECALL
RECALL Cycle Duration
20
20
20
µs
31
tSTORE
STORE Cycle Duration
10
10
10
ms
HIGH IMPEDANCE
ADDRESS #6
ADDRESS #1
DATA VALID
26
tAVAV
DATA VALID
DQ (DATA
E
ADDRESS
26
tAVAV
27
tAVEL
28
tELEH
29
tELAX
31
30
tSTORE / tRECALL


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