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STK14C88-3WF45ITR Datasheet

  • STK14C88-3WF45ITR

  • 32Kx8 AutoStore nvSRAM

  • 17頁

  • SIMTEK

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32Kx8 AutoStore nvSRAM
FEATURES
鈥?35, 45 ns Read Access & R/W Cycle Time
鈥?Unlimited Read/Write Endurance
鈥?Automatic Non-volatile STORE on Power Loss
鈥?Non-Volatile STORE Under Hardware or
Software Control
鈥?Automatic RECALL to SRAM on Power Up
鈥?Unlimited RECALL Cycles
鈥?1 Million STORE Cycles
鈥?100-Year Non-volatile Data Retention
鈥?Single 3.3V 鹵 10% Power Supply
鈥?Commercial and Industrial Temperatures
鈥?32-Pin 300 mil SOIC and 600 mil PDIP Pack-
ages (RoHS-Compliant)
STK14C88-3
DESCRIPTION
The Simtek STK14C88-3 is a 256Kb fast static RAM
with a non-volatile Quantum Trap storage element
included with each memory cell.
The SRAM provides the fast access & cycle times,
ease of use and unlimited read & write endurance of
a normal SRAM.
Data transfers automatically to the non-volatile stor-
age cells when power loss is detected (the STORE
operation). On power up, data is automatically
restored to the SRAM (the RECALL operation). Both
STORE and RECALL operations are also available
under software control.
The Simtek nvSRAM is the first monolithic non-vola-
tile memory to offer unlimited writes and reads. It is
the highest performance, most reliable non-volatile
memory available.
BLOCK DIAGRAM
V
CCX
V
CAP
A
5
A
6
A
7
A
8
A
9
A
11
A
12
A
13
A
14
Quatum Trap
512 X 512
ROW DECODER
STORE
STATIC RAM
ARRAY
512 X 512
RECALL
POWER
CONTROL
STORE/
RECALL
CONTROL
HSB
SOFTWARE
DETECT
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
13
鈥?A
0
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
A
0
A
1
A
2
A
3
A
4
A
10
G
E
W
This product conforms to specifications per the
terms of Simtek standard warranty. The product
has completed Simtek internal qualification testing
and has reached production status.
1
Document Control #ML0015 Rev 0.6
February 2007

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