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28LV011RPFS-25 参数 Datasheet PDF下载

28LV011RPFS-25图片预览
型号: 28LV011RPFS-25
PDF下载: 下载PDF文件 查看货源
内容描述: 3.3V 1兆位( 128K ×8位) EEPROM [3.3V 1 Megabit (128K x 8-Bit) EEPROM]
分类和应用: 存储内存集成电路可编程只读存储器电动程控只读存储器电可擦编程只读存储器
文件页数/大小: 19 页 / 305 K
品牌: MAXWELL [ MAXWELL TECHNOLOGIES ]
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28LV011
3.3V 1 Megabit (128K x 8-Bit)
EEPROM
V
CC
V
SS
RES
OE
CE
WE
RES
I/O Buffer and
Input Latch
Control Logic Timing
High Voltage
Generator
I/O0
I/O7
RDY/Busy
28LV011
A0
A6
Address
Buffer and
Latch
A7
A16
Y Decoder
Y Gating
X Decoder
Memory Array
Data Latch
Logic Diagram
Memory
F
EATURES
:
• 3.3V low voltage operation 128K x 8 Bit EEPROM
• R
AD
-P
AK
® radiation-hardened against natural space
radiation
• Total dose hardness:
- > 100 krad (Si), depending upon space mission
• Excellent Single Event Effects:
- SEL
TH
> 84 MeV/mg/cm
2
- SEU
TH
> 37 Mev/mg/cm
2
(read mode)
- SEU saturated cross section = 3E-6 cm
2
(read mode)
- SEU
TH
= 11.4 Mev/mg/cm
2
(write mode)
- SEU saturated cross section = 5E-3 cm
2
(write mode)
with hard errors
• Package:
- 32 Pin R
AD
-P
AK
® flat pack
- 32 Pin R
AD
-P
AK
® DIP
- JEDEC-approved byte-wide pinout
• Address Access Time:
- 200, 250 ns Access times available
• High endurance:
- 10,000 erase/write (in Page Mode), 10-year data
retention
• Page write mode:
- 1 to 128 bytes
• Automatic programming
- 15 ms automatic page/byte write
• Low power dissipation
- 20 mW/MHz active current (typ.)
- 72 µ W standby (maximum)
D
ESCRIPTION
:
Maxwell Technologies’ 28LV011 high density, 3.3V, 1 Megabit
EEPROM microcircuit features a greater than 100 krad (Si)
total dose tolerance, depending upon space mission. The
28LV011 is capable of in-system electrical Byte and Page pro-
grammability. It has a 128-Byte Page Programming function to
make its erase and write operations faster. It also features
Data Polling and a Ready/Busy signal to indicate the comple-
tion of erase and programming operations. In the 28LV011,
hardware data protection is provided with the RES pin, in addi-
tion to noise protection on the WE signal and write inhibit on
power on and off. Meanwhile, software data protection is
implemented using the JEDEC-optional Standard algorithm.
The 28LV011 is designed for high reliability in the most
demanding space applications.
Maxwell Technologies' patented R
AD
-P
AK
® packaging technol-
ogy incorporates radiation shielding in the microcircuit pack-
age. It eliminates the need for box shielding while providing
the required radiation shielding for a lifetime in orbit or space
mission. In a GEO orbit, R
AD
-P
AK
® provides greater than 100
krad (Si) radiation dose tolerance. This product is available
with screening up to Class S.
Note:The recommended form of data protection during power
on/off is to hold the RES pin to V
SS
during power up and power
down. This may be accompanied by connecting the RES pin
to the CPU reset line. Failure to provide adequate protection
during power on/off may result in lost or modified data.
05.28.02 Rev 2
All data sheets are subject to change without notice
1
(858) 503-3300 - Fax: (858) 503-3301- www.maxwell.com
©2002 Maxwell Technologies
All rights reserved.