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7P256FLG0202C20 PDF预览

7P256FLG0202C20

更新时间： 2024-11-07 23:25:15
品牌 Logo 应用领域
其他 - ETC 内存集成电路
页数 文件大小 规格书
13页 128K
描述
Peripheral Miscellaneous

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7P256FLG0202C20 数据手册

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PCMCIA Flash Memory Card  
FLG Series  
PCMCIA Flash Memory Card  
General Description  
256KILOBYTE through 5 MEGABYTE (Intel based)  
Features  
• Low cost Low/Medium Density Linear Flash  
Card  
WEDC’s FLG Series Flash memory cards offer low/medium  
density linear Flash solid state storage solutions for code and  
data storage, high performance disk emulation and execute in  
place (XIP) applications in mobile PC and dedicated  
(embedded) equipment.  
• Supports 5V systems with 12V VPP.  
• Based on Intel CMOS Components  
• Fast Read Performance  
FLG series cards conform to PCMCIA international standard.  
- 150ns Maximum Access Time  
The card’s control logic provides the system interface and  
controls the internal Flash memories. Card can be  
read/written in byte-wide or word-wide mode which allows  
for flexible integration into various systems. Combined with  
file management software, such as Flash Translation Layer  
(FTL), FLG Flash cards provide removable high-performance  
disk emulation.  
• x8/ x16 Data Interface  
• Quick-Pulse Programming Algorithm  
- typical 10µs Byte-Program  
• 100,000 Erase/Program Cycles  
• PC Card Standard Type I Form Factor  
The FLG series cards contain separate 2kB EEPROM  
memory for Card Information Structure (CIS) which can be  
used for easy identification of card characteristics.  
The WEDC FLG series is based on Intel 28F010 or 28F020  
Flash memories.  
Note: Standard options include attribute memory. Cards  
without attribute memory are available. Cards are also  
available with or without a hardware write protect switch.  
Architecture Overview  
WEDC’s FLG series is designed to support from 2 to 20, 1Mb or 2MB components, providing a wide range of  
density options. Cards are based on the 28F010 (1Mb) or 28F020 components which work with 5V Vcc / 12V Vpp  
applications. Device codes are B4h and BDh respectively. Systems should be able to recognize both codes. Cards  
utilizing the1Mb components provide densities ranging from 256KB to 2.5MB in 256KB increments, cards utilizing  
2Mb components provide densities ranging from 512KB to 5MB in 512KB increments.  
In support of the PC Card 95 standard for word wide access devices are paired. Write, read and erase operations can  
be performed as either a word or byte wide operation . By multiplexing A0, CE1# and CE2#, 8-bit hosts can access  
all data on data lines DQ0 - DQ7. The FLG series cards conform to the PC Card Standard (PCMCIA) and JEIDA,  
providing electrical and physical compatibility. The PC Card form factor offers an industry standard pinout and  
mechanical outline, allowing density upgrades without system design changes.  
WEDC’s standard cards are shipped with WEDC’s Logo. Cards are also available with blank housings (no Logo).  
The blank housings are available in both a recessed (for label) and flat housing. Please contact WEDC sales  
representative for further information on Custom artwork.  
1
August 2000 Rev. 3 - ECO #13132  
PC Card Products  
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