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. 823-4501
Mfr. Part No.SST39SF020A-70-4C-NHE
BrandMicrochip
PHP66.47
Each (In a Pack of 5)
units
2MB Parallel PLCC 32 256K 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. 165-2075
Mfr. Part No.SST39SF020A-70-4C-NHE
BrandMicrochip
PHP61.09
Each (In a Tube of 30)
units
2MB Parallel PLCC 32 256K 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. 723-8814
Mfr. Part No.SST39VF400A-70-4I-EKE
BrandMicrochip
PHP73.06
Each (In a Pack of 2)
units
4Mbit Parallel TSOP 48 256K x 16 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 18.5mm 1.05mm 12.2mm 18.5 x 12.2 x 1.05mm
RS Stock No. 165-3488
Mfr. Part No.SST39VF400A-70-4I-EKE
BrandMicrochip
PHP67.41
Each (In a Tray of 96)
units
4Mbit Parallel TSOP 48 256K x 16 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 18.5mm 1.05mm 12.2mm 18.5 x 12.2 x 1.05mm
RS Stock No. 869-6173
Mfr. Part No.SST26VF032B-104I/SM
BrandMicrochip
PHP79.76
Each (In a Pack of 2)
units
32Mbit SPI SOIJ 8 4M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 5.26mm 1.98mm 5.25mm 5.26 x 5.25 x 1.98mm
RS Stock No. 165-1987
Mfr. Part No.SST25VF080B-50-4I-S2AF
BrandMicrochip
PHP51.089
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. 905-3113
Mfr. Part No.SST26VF016B-104V/SM
BrandMicrochip
PHP79.25
Each (In a Pack of 5)
units
16Mbit SPI SOIJ 8 2M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V - 5.26mm 1.98mm 5.25mm 5.26 x 5.25 x 1.98mm
RS Stock No. 823-4510
Mfr. Part No.SST39SF020A-70-4C-PHE
BrandMicrochip
PHP71.402
Each (In a Pack of 5)
units
2MB Parallel PDIP 32 256K x 8 bit Through Hole Split Gate 4.5 V 5.5 V Symmetrical 42.04mm 3.81mm 13.97mm 42.04 x 13.97 x 3.81mm
RS Stock No. 807-3845
Mfr. Part No.SST25VF080B-50-4I-S2AF
BrandMicrochip
PHP50.679
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. 159-7534
Mfr. Part No.SST26VF016B-104V/SM
BrandMicrochip
PHP75.836
Each (In a Tube of 90)
units
16Mbit SPI SOIJ 8 2M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V - 5.26mm 1.98mm 5.25mm 5.26 x 5.25 x 1.98mm
RS Stock No. 165-4188
Mfr. Part No.SST26VF032B-104I/SM
BrandMicrochip
PHP76.368
Each (In a Tube of 90)
units
32Mbit SPI SOIJ 8 4M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 5.26mm 1.98mm 5.25mm 5.26 x 5.25 x 1.98mm
RS Stock No. 165-2021
Mfr. Part No.SST39SF020A-70-4C-PHE
BrandMicrochip
PHP75.16
Each (In a Tube of 11)
units
2MB Parallel PDIP 32 256K x 8 bit Through Hole Split Gate 4.5 V 5.5 V Symmetrical 42.04mm 3.81mm 13.97mm 42.04 x 13.97 x 3.81mm
RS Stock No. 165-2205
Mfr. Part No.SST25WF040B-40I/SN
BrandMicrochip
PHP48.909
Each (In a Tube of 100)
units
4Mbit SPI SOIC 8 512K x 8 bit Surface Mount Split Gate 1.65 V 1.95 V - 4.9mm 1.25mm 3.9mm 4.9 x 3.9 x 1.25mm
RS Stock No. 168-2786
Mfr. Part No.SST26WF064C-104I/SM
BrandMicrochip
PHP139.07
Each (In a Pack of 5)
units
64Mbit Serial-SPI SOIJ 8 8M x 8 Surface Mount Split Gate 1.65 V 1.95 V - 5.26mm 1.98mm 5.25mm 5.26 x 5.25 x 1.98mm
RS Stock No. 165-2088
Mfr. Part No.SST39SF010A-70-4I-NHE
BrandMicrochip
PHP56.877
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. 145-9063
Mfr. Part No.SST39SF020A-70-4I-NHE
BrandMicrochip
PHP63.752
Each (In a Tube of 30)
units
2MB Parallel PLCC 32 256K 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. 905-3145
Mfr. Part No.SST26VF064B-104I/MN
BrandMicrochip
PHP152.88
Each (In a Pack of 2)
units
64Mbit SPI WDFN 8 8M x 8 bit Surface Mount Split Gate 2.7 V 3.6 V - 6mm 0.8mm 8mm 6 x 8 x 0.8mm
RS Stock No. 165-2053
Mfr. Part No.SST25VF016B-50-4I-S2AF
BrandMicrochip
PHP72.155
Each (In a Tube of 90)
units
16Mbit SPI SOIC 8 2M 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. 723-8811
Mfr. Part No.SST39VF6401B-70-4I-EKE
BrandMicrochip
PHP284.28
Each
units
64Mbit Parallel TSOP 48 4M x 16 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 18.5mm 1.05mm 12.2mm 18.5 x 12.2 x 1.05mm
RS Stock No. 165-3543
Mfr. Part No.SST38VF6401-90-5C-EKE
BrandMicrochip
PHP260.681
Each (In a Tray of 96)
units
64Mbit Parallel TSOP 48 4M x 16 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 18.5mm 1.05mm 12.2mm 18.5 x 12.2 x 1.05mm