August 2000 Rev. 4 - ECO #13125 1
PCMCIA Flash Memory Card
FLA Series
PC Card Products
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 Per forma nce
- 150ns or 200ns Maximum Access Time
• x8 / x16 Data Interface
• High Performance Random Writes
- 8µs Typical Word Write Time
• Automated Write and Erase Alg orithms
- Command User Interface
• 100,000 Erase Cycles per Block
• 64K word symme trical Block Architecture
• PC Card Standa rd Type I Form Factor
WEDC’s FLA Series 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 flexible integration into various systems. Combined with
file management software, such as Flash Translation Layer
(FTL), FLA Flash cards provide re movable high-performance
disk emul at i on.
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 ide ntification of card ch aracteristics.
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 prote ct switc h.
PCMCIA Flash Memory Card 1 MEGABYTE through 40 MEGABYTE (Intel/Sharp based)
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 co des. Cards utilizing the 8M b components pro vide densities ran g ing from 2MB to 20MB in 2MB
increments , cards utilizing 16Mb compone n ts provide densities r anging 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 o p e ration . By multiplexing A0, CE1# and CE2#, 8-bit hosts ca n access all data o n data lines
DQ0 - DQ7.
The FLA21-FLA3 6 series also supports the following PCMCIA co mpatib le register functions: Soft Reset via the
Configuration Option Register, Power Down (sleep mode) via the Configuration and Status Register and
monitoring of Ready/Busy, Soft Reset and Power Down via the Card Status Register (cards without attribute
mem ory 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 sta ndard 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 f urther information on Custom artwork.
General Description
Architecture Overview