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. 170-9137
Mfr. Part No.A25LQ32AM-F
$1.357
Each (In a Tube of 90)
units
32Mbit SPI SOP 8 4M x 8 bit Surface Mount - 2.7 V 3.6 V - 5.33mm 1.91mm 5.38mm 5.33 x 5.38 x 1.91mm
RS Stock No. 802-2711
Mfr. Part No.A25LQ32AM-F
$1.568
Each (In a Pack of 9)
units
32Mbit SPI SOP 8 4M x 8 bit Surface Mount - 2.7 V 3.6 V - 5.33mm 1.91mm 5.38mm 5.33 x 5.38 x 1.91mm
RS Stock No. 822-8473
Mfr. Part No.AT25SF041-SSHD-B
$0.448
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. 168-7915
Mfr. Part No.AT25SF041-SSHD-B
$0.398
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. 723-8839
Mfr. Part No.SST49LF008A-33-4C-NHE
BrandMicrochip
$8.03
Each
units
8Mbit Parallel PLCC 32 1024K x 8 bit Surface Mount Split Gate 3 V 3.6 V Symmetrical 11.51mm 2.84mm 14.05mm 11.51 x 14.05 x 2.84mm
RS Stock No. 807-3845
Mfr. Part No.SST25VF080B-50-4I-S2AF
BrandMicrochip
$1.589
Each (In a Pack of 10)
units
8Mbit SPI SOIC 8 1M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V - 5.4mm 1.91mm 5.4mm 5.4 x 5.4 x 1.91mm
RS Stock No. 889-5317
Mfr. Part No.SST49LF008A-33-4C-NHE
BrandMicrochip
$6.506
Each (In a Tube of 30)
units
8Mbit Parallel PLCC 32 1024K x 8 bit Surface Mount Split Gate 3 V 3.6 V Symmetrical 11.51mm 2.84mm 14.05mm 11.51 x 14.05 x 2.84mm
RS Stock No. 723-8776
Mfr. Part No.SST39VF040-70-4C-WHE
BrandMicrochip
$3.235
Each (In a Pack of 2)
units
4Mbit Parallel TSOP 32 512K x 8 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 12.5mm 1.05mm 8.1mm 12.5 x 8.1 x 1.05mm
RS Stock No. 170-9080
Mfr. Part No.A25L080M-F
$1.055
Each (In a Tube of 90)
units
8Mbit SPI SOP 8 - Surface Mount - 2.7 V 3.6 V Symmetrical 5.23mm 1.8mm 5.28mm 5.23 x 5.28 x 1.8mm
RS Stock No. 145-9062
Mfr. Part No.SST39SF010A-70-4C-NHE
BrandMicrochip
$1.437
Each (In a Tube of 30)
units
1MB Parallel PLCC 32 128K x 8 bit Surface Mount Split Gate 4.5 V 5.5 V Symmetrical 14.05mm 2.84mm 11.51mm 14.05 x 11.51 x 2.84mm
RS Stock No. 144-5797
Mfr. Part No.SST39VF040-70-4C-WHE
BrandMicrochip
$2.03
Each (In a Tray of 208)
units
4Mbit Parallel TSOP 32 512K x 8 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 12.5mm 1.05mm 8.1mm 12.5 x 8.1 x 1.05mm
RS Stock No. 165-4121
Mfr. Part No.SST39SF040-55-4I-NHE
BrandMicrochip
$2.288
Each (In a Tube of 30)
units
4Mbit Parallel PLCC 32 512K x 8 bit Surface Mount Split Gate 4.5 V 5.5 V - 11.43mm 2.79mm 13.97mm 11.43 x 13.97 x 2.79mm
RS Stock No. 573-488
Mfr. Part No.A25L080M-F
$0.965
Each (In a Pack of 4)
units
8Mbit SPI SOP 8 - Surface Mount - 2.7 V 3.6 V Symmetrical 5.23mm 1.8mm 5.28mm 5.23 x 5.28 x 1.8mm
RS Stock No. 573-498
Mfr. Part No.A25L040M-F
$1.00
Each (In a Pack of 4)
units
4Mbit SPI SOP 8 - Surface Mount - 2.7 V 3.6 V Symmetrical 5.23mm 1.8mm 5.28mm 5.23 x 5.28 x 1.8mm
RS Stock No. 879-3268
Mfr. Part No.SST39SF040-55-4I-NHE
BrandMicrochip
$2.436
Each (In a Pack of 5)
units
4Mbit Parallel PLCC 32 512K x 8 bit Surface Mount Split Gate 4.5 V 5.5 V - 11.43mm 2.79mm 13.97mm 11.43 x 13.97 x 2.79mm
RS Stock No. 165-1987
Mfr. Part No.SST25VF080B-50-4I-S2AF
BrandMicrochip
$1.628
Each (In a Tube of 90)
units
8Mbit SPI SOIC 8 1M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V - 5.4mm 1.91mm 5.4mm 5.4 x 5.4 x 1.91mm
RS Stock No. 823-4490
Mfr. Part No.SST39SF010A-70-4C-NHE
BrandMicrochip
$1.584
Each (In a Pack of 10)
units
1MB Parallel PLCC 32 128K x 8 bit Surface Mount Split Gate 4.5 V 5.5 V Symmetrical 14.05mm 2.84mm 11.51mm 14.05 x 11.51 x 2.84mm
RS Stock No. 170-3131
Mfr. Part No.MX29GL256FLT2I-90Q
BrandMacronix
$9.265
Each (In a Tray of 96)
units
256Mbit Parallel TSOP 56 16M x 16 bit, 32M x 8 bit Surface Mount - 2.7 V 3.6 V - 18.5mm 1.05mm 14.1mm 18.5 x 14.1 x 1.05mm
RS Stock No. 177-5283
Mfr. Part No.S34ML04G200TFI000
$12.144
Each (In a Tray of 96)
units
4Gbit Parallel TSOP 48 256M x 16 bit, 512M x 8 bit Surface Mount NAND 2.7 V 3.6 V - 18.5mm 1.05mm 12.1mm 18.5 x 12.1 x 1.05mm
RS Stock No. 177-5284
Mfr. Part No.S34ML08G201TFI000
$20.24
Each (In a Tray of 96)
units
8Gbit Parallel TSOP 48 4G x 2 bit Surface Mount NAND 2.7 V 3.6 V - 18.5mm 1.05mm 12.1mm 18.5 x 12.1 x 1.05mm
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