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参数资料
| 型号： | 7P28FLA292C15 |
| 厂商： | WHITE ELECTRONIC DESIGNS CORP |
| 元件分类： | PROM |
| 英文描述： | 14M X 16 FLASH 5V PROM CARD, 150 ns, XMA68 |
| 文件页数： | 1/13页 |
| 文件大小： | 374K |
| 代理商： | 7P28FLA292C15 |
PCMCIA Flash Memory Card
FLA Series
1
White Electronic Designs Corporation (602) 437-1520 www.wedc.com
White Electronic Designs
January, 2003
Rev. 5
White Electronic Designs Corp. reserves the right to change products or specications without notice.
PCMCIA Flash Memory Card
1 MEGABYTE through 40 MEGABYTE (Intel/Sharp based)
FEATURES
Low cost High Density Linear Flash Card
Supports 5V only systems or 5V systems with
12V VPP
Based on Intel/Sharp FlashFile Components
Fast Read Performance
- 150ns or 200ns Maximum Access Time
x8 / x16 Data Interface
High Performance Random Writes
- 8s Typical Word Write Time
Automated Write and Erase Algorithms
- Command User Interface
100,000 Erase Cycles per Block
64K word symmetrical Block Architecture
PC Card Standard Type I Form Factor
GENERAL DESCRIPTION
WEDC’s FLASeries Flash memory cards offer high 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.
FLA series cards conform to PCMCIA international
standard.
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 exible integration into various systems. Combined
with le management software, such as Flash Translation
Layer (FTL), FLA Flash cards provide removable high-
performance disk emulation.
The FLA series offers low power modes controlled by
registers. Standard cards contain separate 2kB EEPROM
memory for Card Information Structure (CIS) which can be
used for easy identication of card characteristics.
The WEDC FLA series is based on Intel/Sharp 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 FLA series is designed to support from 2 to 20,
4Mb, 8Mb or 16Mb components, providing a wide range
of density options. Cards are based on the 28F008SA
(8Mb) for 12V VPP applications or on the 28F004S5
(4Mb), 28F008S5 (8Mb) and 28F016S5 (16Mb) devices
for 5V only applications. Devices codes for the 28F004S5,
28F008SA, 28F008S5 and the 28F016S5 are: A7H,
A2H, A6H and AAh respectively. Systems should be
able to recognize all four codes. Cards utilizing the 8Mb
components provide densities ranging from 2MB to 20MB
in 2MB increments, cards utilizing 16Mb components
provide densities ranging from 4MB to 40MB in 4MB
increments. 4 Mbit memory devices are used only for
smallest capacity cards (1MB).
In support of the PC Card 95 standard for word wide
access devices are paired. Therefore, the Flash array is
structured in 64K word (128kBytes) blocks. Write, read
and block 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
FLA21-FLA36 series also supports the following
PCMCIA compatible register functions: Soft Reset via the
Conguration Option Register, Power Down (sleep mode)
via the Conguration and Status Register and monitoring
of Ready/Busy, Soft Reset and Power Down via the Card
Status Register (cards without attribute memory and
versions
FLA51 - FLA66 do not have registers).
The FLA series cards conform with 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.
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