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    Flash Memory: Theory and Applications

Various Flash Drives

Mobile device memory

                        Used in cellular phones, digital cameras, MP3 players, PDAs (Personal Digital Assistant) and camcorders.

Some of the products are listed:

Product:

Brand:

Performance:

Power Required:

SANDISK 1GB SECURE DIGITAL CARD (SDSDB-1024-A10)

SANDISK

Ref:

http://www.flash-memory-store.com/
1gbsd.html

SD Card packaging includes a new high performance, nine-pin SD interface that enables data transfer rates of up to 10 megabytes per second.

-Voltage: 2.7 to 3.6 volts

-Current @ 3.3V: Read <33mA, Write <35mA

-High Performance Write Current 65mA at 5V; 50 mA at 3.3V rms AA

LEXAR 512MB SECURE DIGITAL CARD (SD512-231)

LEXAR

Ref:

http://www.flash-memory-store.com/
lex51secdigs.html

-Sustained Write Capability (Host to Flash, 1X=150KB/sec., 32X=4.8MB/sec)

-Data Transfer Rate to/from Host (Up to 12MB/sec. burst)

-Voltage: 2.7 to 3.6 volts

-Current @ 3.3V: Read <33mA, Write <35mA

1GB DANE-ELEC SECURE DIGITAL CARD

DANE-ELEC

Ref:

http://www.flash-memory-store.com/1gb
-dane-elec-secure-digital.html

 

-Sustained Write Capability (Host to Flash, 1X=150KB/sec., 32X=4.8MB/sec)

-Data Transfer Rate to/from Host (Up to 10MB/sec. burst)

- Voltage: 2.0 to 3.6 volts (SDLV low voltage 1.6-3.6V) 

512MB KODAK SECURE DIGITAL CARD

KODAK

Ref:

http://www.flash-memory-store.com/
ko51sediscas.html

-Sustained Write Capability (Host to Flash, 1X=150KB/sec., 32X=4.8MB/sec)

-Data Transfer Rate to/from Host (Up to 10MB/sec. burst)

- Voltage: 2.0 to 3.6 volts (SDLV low voltage 1.6-3.6V) 

Mobile device memory manufacturers are:

Compact flash memory

            Used in Digital Cameras, Digital Camcorders, Data storage, PDAs and Digital Music Players.

 

Some of the products are listed:

                                                                                                                                                                                   

Product:

Brand:

Performance:

Power Required:

8GB SANDISK ULTRA II 60X COMPACT FLASH CARD

SANDISK

Ref:

http://www.flash-memory-store.com/
sand-cf-ult2-8gb.html

-Minimum Sustained Write Speed: 60x (9 MB/sec)

-Minimum Sustained Read Speed: 66x (10 MB/sec)

-Voltage 3.3V ± 5% or 5V ± 10%

-High Performance Read Current 34mA at 5V; 21 mA at 3.3V rms

-High Performance Write Current 34mA at 5V; 21 mA at 3.3V rms

LEXAR 4GB 100X COMPACT FLASH CARD PROFESSIONAL SERIES (CF4GB-80-380)

LEXAR

Ref:

http://www.flash-memory-store.com/
le4gb40xcofl.html

-Sustained write capability (host to flash) 1X=150KB/sec., 40X=6.0MB/sec., 80X=12MB/sec.

-Start-Up Time (sleep to read/write) < 10 m/sec.

- Voltage 3.3V ± 5% or 5V ± 10%

-High Performance Read Current 65mA at 5V; 50 mA at 3.3V rms

-High Performance Write Current 65mA at 5V; 50 mA at 3.3V rms

1GB Dane-Elec XS 45X Compact Flash Card (DA-CF1GB-XS)

DANE-ELEC

Ref:

http://www.flash-memory-store.com/
1gb-dane-elec-xs.html

- 35x (5.25 MB/sec) in write mode, up to 45x in read mode

-Standby/write: 2.5 ms max.

-Standby/read: 2.0 ms max.

- Voltage 3.3V ± 5% or 5V ± 10%

-High Performance Read Current 65mA at 5V; 50 mA at 3.3V rms

-High Performance Write Current 65mA at 5V; 50 mA at 3.3V rms

2GB ATP COMPACT FLASH CARD (CF)

ATP

Ref:

http://www.flash-memory-store.com/
2gb-atp-compact-flash-card.html

- 256MB, 512MB--45X 1GB, 2GB--60X Up to 10MByte/s or 80Mbit/s in data transfer rate

- Supply voltage CF: 3.0-3.2V or 4.5-5.5V

-Low Power Consumption (<50mA)

Compact flash memory manufacturers are:

·         Microtech

USB Flash drives

                        Accessing and transporting data has never been easier with USB Flash Drives. These devices plug directly into virtually any USB port and can support up a massive 4GB of disk space, all in a compact size. All USB Flash Drives are "plug and play" compatible devices, so the computer will automatically detect your USB Flash Drive.

Some of the products are listed:

Product:

Brand:

Speed:

Product Specifications:

1GB SANDISK CRUZER

SANDISK

Ref:

http://www.flash-memory-store.com/
1gb-sandisk-cruzer-profile.html

-Write speed (minimum) = 5.0MB/Sec

 

-Read speed (minimum) = 8.0MB/Sec

- Distinctive ergonomic design for easy access and swiping

-Sensor response to go/no state = 1 sec delay or less

-Authentication process <3 sec

-Hi-Speed USB 2.0 certified (backwards compatible with all USB 1.1 ports)

 

LEXAR 1GB HIGH-SPEED USB 2.0 JUMPDRIVE

LEXAR

Ref:

http://www.flash-memory-store.com/
jd1gb231.html

-Read speed =6.0 MB/s

-Write speed=4.5 MB/s

- Compatible with the USB 2.0 specification

-Windows 98SE/Me/2000/XP

-Mac OS X, Mac OS 8.6 or above

-One available USB port

4GB APACER HANDY STENO 200X ULTRA HIGH-SPEED USB 2.0 FLASH DRIVE

APACER

Ref:

http://www.flash-memory-store.com/
4gb-apacer-handy-steno-ht203-133x.html

-Write Speed around 14MB/sec.

-Read Speed around 20MB/sec.

- No driver required for Windows 2000 / ME / XP, Mac. OS 8.6,Linux Kernel 2.4.0 or above

-Support Windows 98 / 98 SE with device driver

-Double side LED indicates while data is transferred in every direction.

 

The USB flash drives manufacturers are:

·         SanDisk

·         Lexar

·         Dane-Elec

·         Apacer

·         QMemory

·         Samsung

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