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STK14EX8-TF45I Datasheet(PDF) 1 Page - Simtek Corporation

Part # STK14EX8-TF45I
Description  512Kx8 Autostore nvSRAM
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Manufacturer  SIMTEK [Simtek Corporation]
Direct Link  http://www.simtek.com
Logo SIMTEK - Simtek Corporation

STK14EX8-TF45I Datasheet(HTML) 1 Page - Simtek Corporation

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STK14EC8
1
April, 2007
Document Control #ML0060 Rev 1.0
This is a product in development that has fixed tar-
get specifications that are subject to change pend-
ing characterization results.
Simtek Confidential & Proprietary
Preliminary
FEATURES
• 15, 25, 45 ns Read Access and R/W Cycle Time
• Unlimited Read/Write Endurance
• Automatic Non-volatile STORE on Power Loss
• Non-Volatile STORE Under Hardware or Software
Control
• Automatic RECALL to SRAM on Power Up
• Unlimited RECALL Cycles
• 200K STORE Endurance
• 20-Year Non-volatile Data Retention
• Single 3.3V +0.3V, -0.6V Power Supply
• Commercial, Industrial Temperatures
• 44-pin 400-mil TSOPII (RoHS-Compliant)
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,
most reliable non-volatile memory available.
BLOCK DIAGRAM
COLUMN DEC
G
E
W
COLUMN I/O
POWER
CONTROL
HSB
STORE/
RECALL
CONTROL
SOFTWARE
DETECT
A18 – A0
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
Quantum Trap
2048 X 2048
STATIC RAM
ARRAY
2048 X 2048
STORE
RECALL
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
A0 A1 A2 A3 A4 A5 A6 A7
VCC
VCAP
512Kx8 Autostore nvSRAM


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