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STK14EC16 PDF Data sheet ( 特性 )

部品番号 STK14EC16
部品説明 256Kx16 AutoStore nvSRAM
メーカ Simtek
ロゴ Simtek ロゴ 



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STK14EC16 Datasheet, STK14EC16 PDF,ピン配置, 機能
Preliminary
STK14EC16
256Kx16 AutowSwtwo.DraetaShneevt4SU.cRomAM
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 3.0V +20%, -10% Operation
• Commercial, Industrial Temperatures
• 44-pin or 54-pin 400-mil TSOPII Packages (RoHS-
Compliant)
• 48-ball Fine Pitch Ball Grid Array (FBGA)
DESCRIPTION
The Simtek STK14EC16 is a 4MB 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
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
A0
A1
A2
A3
A4
A5
A6
A7
A8
A17
EEPROM Array
2048 x 2048
STORE
SRAM
Array
RECALL
2048 x 2048
Column I/O
Column Decoder
A9 A10 A11 A12 A13 A14 A15 A16
Power
Control
Store/
Recall
Control
VCC
VCAP
HSB
Software
Detect
A0 - A17
G
W
E
UB
Pachuco Boys
LB
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 #ML0061 Rev 1.1
Jan, 2008

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256Kx16 AutoStore nvSRAM

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