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STK14EC8-BF45TR 参数 Datasheet PDF下载

STK14EC8-BF45TR图片预览
型号: STK14EC8-BF45TR
PDF下载: 下载PDF文件 查看货源
内容描述: 512Kx8自动存储的nvSRAM [512Kx8 Autostore nvSRAM]
分类和应用: 存储静态存储器
文件页数/大小: 19 页 / 353 K
品牌: SIMTEK [ SIMTEK CORPORATION ]
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STK14EC8
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 3.0V +20%, -10% Operation
• Commercial, Industrial Temperatures
• 44-pin 400-mil TSOPII (RoHS-Compliant)
• 48-ball Fine Pitch Ball Grid Array (FBGA)
512Kx8 Autostore nvSRAM
DESCRIPTION
The Simtek STK14EC8 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
V
CC
A
0
A
1
A
2
A
3
A
4
A
5
A
6
A
7
A
8
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
ROW DECODER
STORE
STATIC RAM
ARRAY
2048 X 2048
RECALL
STORE/
RECALL
CONTROL
V
CAP
POWER
CONTROL
HSB
SOFTWARE
DETECT
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
18
– A
0
A
9
A
10
A
11
A
12
A
13
A
14
A
15
A
16
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 1.1
Jan, 2008