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STK14EX8-TF45ITR Datasheet

  • STK14EX8-TF45ITR

  • 512Kx8 Autostore nvSRAM

  • 18頁

  • SIMTEK

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STK14EC8
Preliminary
FEATURES
鈥?15, 25, 45 ns Read Access and 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?200K STORE Endurance
鈥?20-Year Non-volatile Data Retention
鈥?Single 3.3V +0.3V, -0.6V Power Supply
鈥?Commercial, Industrial Temperatures
鈥?44-pin 400-mil TSOPII (RoHS-Compliant)
512Kx8 Autostore nvSRAM
DESCRIPTION
The Simtek STK14EC8 is a 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 highest performance,
BLOCK DIAGRAM
V
CC
A
8
A
9
A
10
A
11
A
12
A
13
A
14
A
15
A
16
A
17
A
18
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
Quantum Trap
2048 X 2048
V
CAP
ROW DECODER
POWER
CONTROL
STORE
STATIC RAM
ARRAY
2048 X 2048
RECALL
STORE/
RECALL
CONTROL
HSB
SOFTWARE
DETECT
A
18
鈥?A
0
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
G
E
W
This is a product in development that has fixed tar-
get specifications that are subject to change pend-
ing characterization results.
Simtek Confidential & Proprietary
1
Document Control #ML0060 Rev 1.0
April, 2007

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