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STK16C88-W45 Datasheet(Hoja de datos) 7 Page - Simtek Corporation

No. de Pieza. STK16C88-W45
Descripción  32Kx8 AutoStore nvSRAM
Descarga  12 Pages
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Fabricante  SIMTEK [Simtek Corporation]
Página de inicio  http://www.simtek.com
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 7 page
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7
STK16C88
February, 2007
Document Control #ML0018 Rev 0.3
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
L
H
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
L
H
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
STK16C88-45
UNITS
MIN
MAX
MIN
MAX
26
tAVAV
STORE/RECALL Initiation Cycle Time
25
45
ns
27
tAVEL
n
Address Set-up Time
0
0
ns
28
tELEH
n
Clock Pulse Width
20
30
ns
29
tELAX
g, n
Address Hold Time
20
20
ns
30
tRECALL
RECALL Cycle Duration
20
20
μs
31
tSTORE
STORE Cycle Duration
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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