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STK14D88-RF35I 参数 Datasheet PDF下载

STK14D88-RF35I图片预览
型号: STK14D88-RF35I
PDF下载: 下载PDF文件 查看货源
内容描述: 32Kx8自动存储的nvSRAM [32Kx8 Autostore nvSRAM]
分类和应用: 存储内存集成电路静态存储器光电二极管
文件页数/大小: 20 页 / 381 K
品牌: SIMTEK [ SIMTEK CORPORATION ]
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32Kx8 Autostore nvSRAM
FEATURES
• 25, 35, 45 ns Read Access & 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 Cycles
• 20-Year Non-volatile Data Retention
• Single 3.0V +20%, -10% Power Supply
• Commercial, Industrial Temperatures
• Small Footprint SOIC & SSOP Packages (RoHS-
Compliant
STK14D88
DESCRIPTION
The Simtek STK14D88 is a 256Kb 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 first monolithic non-vola-
tile memory to offer unlimited writes and reads. It is
the highest performance, most reliable non-volatile
memory available.
BLOCK DIAGRAM
V
CC
A
5
A
6
A
7
A
8
A
9
A
11
A
12
A
13
A
14
Quatum Trap
512 X 512
ROW DECODER
STORE
STATIC RAM
ARRAY
512 X 512
RECALL
STORE/
RECALL
CONTROL
V
CAP
POWER
CONTROL
HSB
SOFTWARE
DETECT
DQ
0
DQ
1
DQ
2
DQ
3
DQ
4
DQ
5
DQ
6
DQ
7
INPUT BUFFERS
COLUMN I/O
COLUMN DEC
A
13
– A
0
A
0
A
1
A
2
A
3
A
4
A
10
G
E
W
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.
1
Document Control #ML0033 Rev 2.0
Jan 2008