White Electronic Designs
CompactFlash
TM
Card
FEATURES
CompactFlashTM Compatibility
• 3.3V or 5.0V single power supply.
• 50 pin two piece connector with Type-I form
factor (3.3mm thickness)
• Support for CIS implementation with 256 bytes of
attribute memory
Interface modes
• PC card memory mode
• PC card I/O mode
• True IDE mode
High performance
• Interface Transfer speed in PIO mode 4 or Multi
Word DMA mode 2 cycle timing, 16.6 Mbytes/
second (theoretical)
• Sustained write: max 6.0 Mbytes/s in ATA PIO
mode 4 cycle timing
• Sustained read: max 6.5 Mbytes/s in ATA PIO
mode 4 cycle timing
W/E Endurance: 100,000cycles
1
/300,000cycles
2
Notes: 1. T
A
= -40 to 85°C
2. T
A
= 0 to 70°C
WED7PxxxCFA70xxI25
perfect choice for solid-state mass-storage in industrial
applications and applications that require performance and
extended environmental tolerances. Other applications
include handheld devices such as Digital Cameras, Audio
Players, and PDAs.
Dimensions:
Type I card : 36.4mm(L) x 42.8mm (W) x 3.3mm (H)
Lead free and RoHS compliant
Storage Capacities:
128MB, 256MB, 512MB and 1.02GB (unformatted)
Operating Voltage:
3.3V ± 5%
5.0V ± 0.5V
Power consumption:
• 5V operation
Active mode:
Write operation: 28 mA (Typ.)
Read operation: 23 mA (Typ.)
Power down mode: 1.2mA (Typ.) 2.0mA (max.)
• 3.3V operation
Active mode:
Write operation: 25 mA (Typ.)
Read operation: 21 mA (Typ.)
Power down mode: 1.0mA (Typ.) 1.5mA (max.)
Environment conditions:
• Operating temperature: -40°C to 85°C
• Storage temperature: -45°C to 90°C
• Storage humidity: 95% (max) (No condensation)
* This product is subject to change without notice.
Notes: CompactFlash™ is a trademark of SanDisk Corporation and is licensed royalty-
free to the CFA, which in turn will license it royalty-free to CFA members.
CFA: CompactFlash™ Association.
DESCRIPTION
The WED7PxxxCFA70xxI25 series CompactFlash™ card
is an ATA interface flash memory card based on flash
technology. The CompactFlash™ card is constructed with
a flash disk controller chip and NAND-type flash memory
device. Operates from a single 5-Volt or 3.3-Volt power
source. The card is available in CompactFlash™ type-I
form factor with 128MB, 256MB, 512MB and 1.02GB
unformatted capacity. Being able to emulate IDE hard disk
drives and certified in accordance with the CompactFlash™
Certification Plan, WEDC’s CompactFlash™ card is a
PRODUCT TYPES
Card Density
128MB
256MB
512MB
1.02GB
Model No.
7P128CFA70xxI25
7P256CFA70xxI25
7P512CFA70xxI25
7P1G0CFA70xxI25
Cylinder
978
978
993
1985
Head
8
16
16
16
Sector
32
32
63
63
Memory capacity
1
128,188,416 Byte
256,376,832 Byte
512,483,328 Byte
1024,450,560 Byte
1: It is the logical address capacity including the area used for File System.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2005
Rev. 1
1
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
