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7P0040500I15 PDF预览

7P0040500I15

更新时间: 2024-11-15 23:24:55
品牌 Logo 应用领域
其他 - ETC 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
页数 文件大小 规格书
11页 114K
描述
EEPROM

7P0040500I15 数据手册

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PCMCIA Flash Memory Card  
FVB Series  
Value Series Flash Memory Card (AMD based) 4, 8, 16 MEGABYTE  
Features  
General Description  
The WEDC Value Series (FV) Flash memory cards  
offers a low cost linear Flash solid state storage  
solution for code and data storage, high performance  
disk emulation, mobile PC and embedded  
applications.  
Low cost Linear Flash Card  
• Single 5 Volt Supply  
•Based on AMD Flash Components  
- very low power without entering reset mode  
- allows standard access from low power mode  
The WEDC FVB Value series is based on AMD  
Flash memories. Current cards are based on the  
AMD 29F016 (2MB) device whose manufacturer  
and device code is 01 and ADH respectively. The  
symmetrically blocked architecture and single 5V  
•Fast Read Performance  
- 150ns Maximum Access Time  
• x16 Data Interface  
- Odd byte not accessible on Even byte  
operation provides  
a
cost effective, high  
• High Performance Random Writes  
- 10µs Typical Word Write Time  
performance, nonvolatile storage solution. The PC  
Card form factor offers an industry standard pinout  
and mechanical outline, allowing density upgrades  
without system design changes.  
• Automated Write and Erase Algorithms  
- AMD Command Set  
• 50µA Typical Deep Power-Down  
• 100,000 Erase Cycles per Block  
The Value series is designed as a simple x16 linear  
array of Flash devices. Two Flash devices in parallel  
provide the lower and upper bytes for the 16 bit  
access. The Value series does not provide access of  
the ODD byte (D8 - D15) on the even byte data path  
(D0 - D7).  
• 64K word symmetrical Block Architecture  
• PC Card Standard Type I Form Factor  
WEDC’s standard Value Series Flash Card is  
shipped with no attribute memory or CIS (Card  
Information Structure) information. An option for  
2KB of attribute memory with CIS information is  
available. The CIS for the WEDC Value series may  
also be stored in Block 0 (even bytes, D0 - D7 only)  
of the Flash memory, this option is available by  
request only.  
Block Diagram  
Busy 0-7  
R/Busy  
Device 6  
Device 7  
Device 5  
Device 3  
Device 4  
Device 2  
/WR  
/RD  
ADDRESS BUS A1-A21  
CE1#  
CE2#  
REG#  
WE#  
OE#  
WEDC’s standard cards are shipped with WEDC  
Logo. Cards are also available in 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  
Custom artwork.  
CONTROL  
LOGIC  
Device 1  
Device 0  
ATTRIBUTE  
MEMORY  
28C16  
A22  
A23  
Vpp1  
Vpp2  
VS1  
open  
VS2  
DATA  
D8-15  
DATA  
D0-7  
Note: Configuration above for 16MB card using 16Mbit  
components.  
1
August 2000 Rev. 3 - ECO #13135  
PC Card Products