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STK11C68-SF45TR Datasheet(PDF) 1 Page - Simtek Corporation

Part # STK11C68-SF45TR
Description  8Kx8 SoftStore nvSRAM
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Manufacturer  SIMTEK [Simtek Corporation]
Direct Link  http://www.simtek.com
Logo SIMTEK - Simtek Corporation

STK11C68-SF45TR Datasheet(HTML) 1 Page - Simtek Corporation

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1
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.
February, 2007
Document Control #ML0007 Rev 0.3
STK11C68 (SMD5962–92324)
FEATURES
• 25, 35, 45, and 55 ns Read Access & R/W Cycle
Times
• Unlimited Read/Write Endurance
• Pin compatible with Industry Standard SRAMs
• Software-initiated Non-Volatile STORE
• Automatic RECALL to SRAM on Power Up
• Unlimited RECALL cycles
• 1 Million STORE Cycles
• 100-Year Non-volatile Data Retention
• Single 5V + 10% Operation
• Commercial, Industrial, and Military Tempera-
tures
• 28 pin 330 mil SOIC (RoHS-Compatible)
• 28-pin CDIP and LCC packages
DESCRIPTION
The Simtek STK11C68 is a 64Kb fast static RAM
with a nonvolatile 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 under software control to the non-vol-
atile storage cells (the STORE operation). On
power-up, data is automatically restored to the
SRAM (the RECALL operation). RECALL operations
are also available under software control.
The Simtek nvSRAM is the first monolithic non-
volatile memory to offer unlimited writes and reads.
It is the highest performance, most reliable non-
volatile memory available.
BLOCK DIAGRAM
8Kx8 SoftStore nvSRAM
BLOCK DIAGRAM
COLUMN DEC
G
E
W
COLUMN I/O
SOFTWARE
DETECT
A0 – A12
QUANTUM TRAP
128 x 512
STATIC RAM
ARRAY
128 X 512
STORE
RECALL
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
STORE/
RECALL
CONTROL
A0 A1 A2 A3 A4 A10
A5
A6
A7
A8
A9
A11
A12


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