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. 124-2649
Mfr. Part No.S25FL256SAGMFI001
SGD5.97
Each (In a Pack of 2)
units
256Mbit SPI SOIC 16 128M x 2 bit, 256M x 1 bit, 64M x 4 bit Surface Mount NOR 2.7 V 3.6 V - 10.3mm 2.55mm 7.5mm 10.3 x 7.5 x 2.55mm
RS Stock No. 723-8776
Mfr. Part No.SST39VF040-70-4C-WHE
BrandMicrochip
SGD2.08
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. 879-3268
Mfr. Part No.SST39SF040-55-4I-NHE
BrandMicrochip
SGD2.754
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. 723-8814
Mfr. Part No.SST39VF400A-70-4I-EKE
BrandMicrochip
SGD2.035
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. 171-1475
Mfr. Part No.S29GL064N90TFI030
SGD5.91
Each (In a Tray of 96)
units
64Mbit CFI, Parallel TSOP 48 4M x 16 bit, 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. 125-5005
Mfr. Part No.S29GL064N90TFI030
SGD6.65
Each (In a Pack of 5)
units
64Mbit CFI, Parallel TSOP 48 4M x 16 bit, 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. 165-3488
Mfr. Part No.SST39VF400A-70-4I-EKE
BrandMicrochip
SGD1.97
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. 752-2298
Mfr. Part No.TC58NVG1S3ETAI0
BrandToshiba
SGD13.45
Each
units
2 GByte Parallel TSOP 48 256M x 8 Surface Mount NAND -0.6 V 4.6 V Symmetrical 18.4mm 1mm 12.4mm 18.4 x 12.4 x 1mm
RS Stock No. 125-5261
Mfr. Part No.S29GL064N90TFI040
SGD4.646
Each (In a Pack of 5)
units
64Mbit CFI, Parallel TSOP 48 4M x 16 bit, 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. 171-1476
Mfr. Part No.S29GL064N90TFI040
SGD4.646
Each (In a Tray of 96)
units
64Mbit CFI, Parallel TSOP 48 4M x 16 bit, 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. 177-5286
Mfr. Part No.S29GL128P90FFIR10
SGD5.53
Each (In a Tray of 180)
units
128Mbit CFI FPBGA 64 128M x 1 bit Surface Mount - 3 V 3.6 V - 13mm 1mm 11mm 13 x 11 x 1mm
RS Stock No. 165-4121
Mfr. Part No.SST39SF040-55-4I-NHE
BrandMicrochip
SGD2.632
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. 165-3284
Mfr. Part No.SST49LF008A-33-4C-WHE
BrandMicrochip
SGD6.18
Each (In a Tray of 208)
units
8Mbit Parallel TSOP 32 1024K x 8 bit Surface Mount Split Gate 3 V 3.6 V Symmetrical 12.5mm 1.05mm 8.1mm 12.5 x 8.1 x 1.05mm
RS Stock No. 123-8825
Mfr. Part No.LE25U40CMDTWG
SGD0.989
Each (In a Pack of 10)
units
4Mbit SPI SOIC 8 4M x 8 bit Surface Mount - 2.3 V 3.6 V - 5mm 1.5mm 4mm 5 x 4 x 1.5mm
RS Stock No. 802-2711
Mfr. Part No.A25LQ32AM-F
SGD1.79
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. 177-5266
Mfr. Part No.S25FL256SAGMFI001
SGD5.35
Each (In a Tube of 47)
units
256Mbit SPI SOIC 16 128M x 2 bit, 256M x 1 bit, 64M x 4 bit Surface Mount NOR 2.7 V 3.6 V - 10.3mm 2.55mm 7.5mm 10.3 x 7.5 x 2.55mm
RS Stock No. 170-9137
Mfr. Part No.A25LQ32AM-F
SGD1.179
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. 163-2394
Mfr. Part No.LE25U40CMDTWG
SGD0.431
Each (On a Reel of 2000)
units
4Mbit SPI SOIC 8 4M x 8 bit Surface Mount - 2.3 V 3.6 V - 5mm 1.5mm 4mm 5 x 4 x 1.5mm
RS Stock No. 124-2663
Mfr. Part No.S29GL128P90FFIR10
SGD6.95
Each
units
128Mbit CFI FPBGA 64 128M x 1 bit Surface Mount - 3 V 3.6 V - 13mm 1mm 11mm 13 x 11 x 1mm
RS Stock No. 144-5797
Mfr. Part No.SST39VF040-70-4C-WHE
BrandMicrochip
SGD1.928
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