Flash Memory

What is flash memory?
Flash memory is available in several forms such as a USB flash drive, Microchip, MicroSDHC, a standard chip or SSD card and is used for fast information storage. Flash memory is a type of memory storage that retains data regardless of a power source. This type of memory is also a great solution for transferring data between computers and digital devices.

How does flash memory work?
Flash memory is also known as an EEPROM chip, this acronym stands for Electronically Erasable Programmable Read Only Memory. Flash works by retaining small parts of electricity between its transistors, allowing information to be stored with or without power.

What is flash memory used for?
It’s essentially a form of portable memory, it's also considered to be in a solid state because it has no moving parts, everything about flash is electronic and not mechanical. This is what makes it perfect choice for applications such as digital cameras and video game consoles. Flash is non-volatile, meaning it can retrieve stored information even after power has stopped working through it, mobile devices and controllers tend to be flash based for this very reason, alongside usually having a great storage capacity, high speed and high performance.

How much space is in flash memory?
RS Components offers a large variety of flash memory cheap, ranging from Bit, Kbit, MB and GB. Please refer to our selection on the home page for all flash to find the correct storage amount you need.
What is the difference between NOR flash and NAND flash?

NOR
• NOR flash provides a faster speed as possessing random access capabilities, a good choice for mobile devices as it’s suitable to store large quantities of code.
• The erase and write function is slower than NAND
• Hosts a larger memory cell size than NAND
• Limiting scaling capabilities make bit density achievable

NAND
• Provides fast rewritable and erase capabilities but is a little slower than NOR within the read speed.
• NAND flash is a popular choice for those needing flash drive for digital video, data storage and music. This is because of NAND's high speed and high capacity alongside being a flash memory that is cheap as the cost per bit is generally lower.
• Quickly re-write data, over and over again
• Stores a large quantity of data and commonly used for flash drives, smart phones, digital devices, USB and cameras.

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Description Price Memory Size Interface Type Package Type Pin Count Organisation Mounting Type Cell Type Minimum Operating Supply Voltage Maximum Operating Supply Voltage Block Organisation Length Height Width Dimensions
RS Stock No. 822-8455
Mfr. Part No.AT45DB321E-SHF-B
$5.625
Each (In a Pack of 2)
units
34603008bit SPI SOIC 8 8192 pages x 512 bytes Surface Mount - 2.3 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 168-7913
Mfr. Part No.AT45DB321E-SHF-B
$4.525
Each (In a Tube of 90)
units
34603008bit SPI SOIC 8 8192 pages x 512 bytes Surface Mount - 2.3 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 822-8477
Mfr. Part No.AT25DN512C-SSHF-B
$0.353
Each (In a Pack of 10)
units
512kbit SPI SOIC 8 - Surface Mount - 2.3 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 822-8473
Mfr. Part No.AT25SF041-SSHD-B
$0.521
Each (In a Pack of 10)
units
4Mbit SPI SOIC 8 512K x 8 Surface Mount - 2.5 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 168-7916
Mfr. Part No.AT25DN512C-SSHF-B
$0.472
Each (In a Tube of 98)
units
512kbit SPI SOIC 8 - Surface Mount - 2.3 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 168-7915
Mfr. Part No.AT25SF041-SSHD-B
$0.344
Each (In a Tube of 98)
units
4Mbit SPI SOIC 8 512K x 8 Surface Mount - 2.5 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 822-8486
Mfr. Part No.AT25SF041-SHD-B
$0.542
Each (In a Pack of 10)
units
4Mbit SPI SOIC 8 512K x 8 Surface Mount - 2.5 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 145-9474
Mfr. Part No.AT45DB081E-SHN-B
$1.657
Each (In a Tube of 90)
units
8650752bit SPI SOIC 8 4096 pages x 256 bytes Surface Mount - 1.7 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 822-8461
Mfr. Part No.AT45DB041E-SSHN2B-B
$1.576
Each (In a Pack of 5)
units
4194304bit SPI SOIC 8 2048 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 822-8464
Mfr. Part No.AT45DB041E-SSHN2B-T
$1.604
Each (In a Pack of 5)
units
4194304bit SPI SOIC 8 2048 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 822-8451
Mfr. Part No.AT45DB321E-MWHF2B-T
$5.04
Each (In a Pack of 2)
units
34603008bit SPI VDFN 8 8192 pages x 512 bytes Surface Mount - 2.3 V 3.6 V - 8.1mm 0.95mm 6.1mm 8.1 x 6.1 x 0.95mm
RS Stock No. 822-8489
Mfr. Part No.AT45DB041E-SHN-B
$1.612
Each (In a Pack of 5)
units
4194304bit SPI SOIC 8 2048 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 822-8483
Mfr. Part No.AT45DB081E-SHN-B
$1.674
Each (In a Pack of 5)
units
8650752bit SPI SOIC 8 4096 pages x 256 bytes Surface Mount - 1.7 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 168-7918
Mfr. Part No.AT25SF041-SHD-B
$0.615
Each (In a Tube of 90)
units
4Mbit SPI SOIC 8 512K x 8 Surface Mount - 2.5 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 822-8470
Mfr. Part No.AT45DB641E-MWHN-Y
$6.505
Each (In a Pack of 2)
units
69206016bit SPI VDFN 8 32768 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 8.1mm 0.95mm 6.1mm 8.1 x 6.1 x 0.95mm
RS Stock No. 168-7914
Mfr. Part No.AT45DB041E-SSHN2B-T
$1.492
Each (On a Reel of 4000)
units
4194304bit SPI SOIC 8 2048 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 173-2858
Mfr. Part No.AT45DB041E-SHN-B
$1.744
Each (On a Reel of 2000)
units
4194304bit SPI SOIC 8 2048 pages x 256 bytes Surface Mount - 1.65 V 3.6 V - 5.4mm 1.91mm 5.35mm 5.4 x 5.35 x 1.91mm
RS Stock No. 165-6714
Mfr. Part No.AT45DB081E-SSHN-B
$2.265
Each (In a Tube of 98)
units
8650752bit SPI SOIC 8 4096 pages x 256 bytes Surface Mount - 1.7 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm
RS Stock No. 173-2859
Mfr. Part No.AT45DB041E-SSHN-B
$1.744
Each (On a Reel of 4000)
units
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RS Stock No. 822-8467
Mfr. Part No.AT45DB081E-SSHN-B
$2.328
Each (In a Pack of 5)
units
8650752bit SPI SOIC 8 4096 pages x 256 bytes Surface Mount - 1.7 V 3.6 V - 5.05mm 1.5mm 3.99mm 5.05 x 3.99 x 1.5mm