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. 177-5296
Mfr. Part No.S29AL008J70BFI020
SGD1.938
Each (In a Tray of 338)
units
8Mbit CFI FPBGA 48 1M x 8 bit, 512K x 16 bit Surface Mount - 2.7 V 3.6 V - 8.15mm 0.76mm 6.15mm 8.15 x 6.15 x 0.76mm
RS Stock No. 177-5293
Mfr. Part No.S25FL128SAGNFI000
SGD3.30
Each (In a Tray of 338)
units
128Mbit SPI WSON 8 128M x 1 bit, 32M x 4 bit, 64M x 2 bit Surface Mount NOR 2.7 V 3.6 V - 8mm 0.75mm 6mm 8 x 6 x 0.75mm
RS Stock No. 159-7485
Mfr. Part No.SST25VF040B-50-4I-S2AE
BrandMicrochip
SGD1.17
Each (In a Tube of 90)
units
4Mbit SPI SOIC 8 512K x 8 Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 5.4mm 1.91mm 5.4mm 5.4 x 5.4 x 1.91mm
RS Stock No. 181-8293
Mfr. Part No.S70GL02GS12FHIV20
SGD31.10
Each
units
2Gbit Parallel BGA 64 128M x 16 bit Surface Mount NOR 2.7 V 3.6 V - 13mm 1.4mm 11mm 13 x 11 x 1.4mm
RS Stock No. 181-8331
Mfr. Part No.S29GL064S70TFI030
SGD5.613
Each (In a Pack of 3)
units
64Mbit Parallel TSOP 48 8M x 8 bit Surface Mount NOR 2.7 V 3.6 V - 18.5mm 1.05mm 12.1mm 18.5 x 12.1 x 1.05mm
RS Stock No. 171-2230
Mfr. Part No.W25Q32JVZPIQ/TUBE
BrandWinbond
SGD1.091
Each (In a Pack of 10)
units
32Mbit SPI WSON 8 4M x 8 Surface Mount - 2.7 V 3.6 V - 6.1mm 0.75mm 5.1mm 6.1 x 5.1 x 0.75mm
RS Stock No. 193-8839
Mfr. Part No.S29GL128P11FFI020
SGD6.644
Each (In a Tray of 180)
units
128Mbit CFI BGA 64 16M x 8 bit Surface Mount NOR 2.7 V 3.6 V - 13mm 1mm 11mm 13 x 11 x 1mm
RS Stock No. 823-3980
Mfr. Part No.SST25VF512A-33-4I-SAE
BrandMicrochip
SGD0.693
Each (In a Pack of 20)
units
512kB SPI SOIC 8 64k x 8 bit Surface Mount Split Gate 2.7 V 3.6 V Symmetrical 5mm 1.5mm 4mm 5 x 4 x 1.5mm
RS Stock No. 145-9081
Mfr. Part No.SST25LF020A-33-4I-SAE
BrandMicrochip
SGD0.883
Each (In a Tube of 100)
units
2Mbit SPI SOIC 8 256k x 8 bit Surface Mount Split Gate 3 V 3.6 V Symmetrical 5mm 1.5mm 4mm 5 x 4 x 1.5mm
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