W7NCF256H21CSBHM1G datasheet, PDF

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W7NCF256H21CSBHM1G: DescriptionFlash Card, 256MX8, 250ns, CARD-50; Categorystorage storage; File Size180KB，13 Pages; ManufacturerWhite Electronic Designs Corporation; Websitehttp://www.wedc.com/

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W7NCF256H21CSBHM1G Overview

Flash Card, 256MX8, 250ns, CARD-50

W7NCF256H21CSBHM1G Parametric

Parameter Name	Attribute value
Maker	White Electronic Designs Corporation
package instruction	CARD-50
Reach Compliance Code	unknown
Maximum access time	250 ns
Other features	IT ALSO OPERATES WITH 4.5V TO 5.5V SUPPLY
JESD-30 code	R-XXMA-X50
memory density	2147483648 bit
Memory IC Type	FLASH CARD
memory width	8
Number of functions	1
Number of terminals	50
word count	268435456 words
character code	256000000
Operating mode	SYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	256MX8
Package body material	UNSPECIFIED
Package shape	RECTANGULAR
Package form	MICROELECTRONIC ASSEMBLY
Parallel/Serial	PARALLEL
Programming voltage	3.3 V
Certification status	Not Qualified
Maximum supply voltage (Vsup)	3.6 V
Minimum supply voltage (Vsup)	3 V
Nominal supply voltage (Vsup)	3.3 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal form	UNSPECIFIED
Terminal location	UNSPECIFIED
type	SLC NAND TYPE

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White Electronic Designs

Medical Series CompactFlash® Card

FEATURES

Storage Capacities:

•

128MB, 256MB, 512MB,1GB, 2GB, 4GB and

8GB

Environment conditions:

•

Operating temperature: -40°C to 85°C

•

Storage temperature: -55°C to 125°C

CompactFlash

Compatibility

•

CFA standard 2.1 compliant

•

3.3V or 5.0V single power supply

•

50 pin connector with Type-I form factor (3.3mm

thickness)

•

256 Bytes of attribute memory

Power consumption

•

5V operation

Active mode:

Write operation: 28 mA (Typ.), 30 mA (Max.)

Read operation: 23 mA (Typ.), 30 mA (Max.)

Sleep mode: 2.0mA (max.)

•

3.3V operation

Active mode:

Write operation: 28 mA (Typ.), 30 mA (Max.)

Read operation: 23 mA (Typ.), 30 mA (Max.)

Sleep mode: 2.0mA (max.

RoHS compliant

Interface modes

•

PC card memory mode

•

PC card I/O mode

•

True IDE mode

Less than 1 Error in 10

bits read

MTBF > 4,000,000 hours

High shock & vibration tolerance

W/E Endurance: 4,000,000 write/erase cycles

High performance

•

Interface Transfer speed in PIO mode 4 or Multi

Word DMA mode 2 cycle timing; up to 16.7

MB/second (PIO mode 3 & 4 are available in

IDE mode only).

•

Typical write: 5.0 MBytes/s in ATA PIO mode 4

•

Typical read: 7.0 MBytes/s in ATA PIO mode 4

•

On card ECC up to 6 Bytes per 512 Byte data

March 2007

Rev. 2

W7NCF-H-M1 Series

Dimensions:

•

Type I card : 36.4mm(L) x 42.8mm(W) x

3.3mm(H)

Highly resistant to data corruption due to power loss

or card removal

DESCRIPTION

The W7NCF-H-M1 series CompactFlash® family is

designed for high reliability and robust operation. This

product not only offers a strictly controlled and locked bill

of materials but also the robust operation which is desired

in many medical applications. The product’s reliability

backbone is established by using a 32 bit RISC based

controller along with the best SLC (single level cell) NAND

ﬂash memory devices. Utilizing proprietary techniques, our

card offers both ﬁrmware and hardware features which

mitigate problems relating to power disturbances and

interruptions. Implemented is the industry leading ECC

protection which is capable of correcting 6 bytes in every

512 byte sector. This leading ECC protection combined

with patented static wear leveling technology provides the

highest read/write endurance possible.

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.

sector

White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com

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