Flash Memory

Flash memory is a type of non-volatile memory storage. This means that it can be electrically erased and programmed at byte-level, and it retains data regardless of a power source. Flash memory ICs are used within circuits to add data storage to an application.

Flash memory is a type of EEPROM (Electronically Erasable Programmable Read-Only Memory). EEPROM ICs can erase any byte of memory, which flash memory erases chunks or blocks of memory at a time. Flash memory does have a limited life in terms of the number of write cycles and tends to be used for programmed storage that is infrequently changed.

The memory size of a flash device refers to the capacity for data storage. This is often given in Mbit or MB.

You can learn more in our comprehensive guide to flash memory.

How does flash memory work?

Flash memory ICs work by retaining small parts of electricity between its transistors, allowing information to be stored with or without power. Flash stores data even when the power is switched off. Unlike RAM which loses data when the power is switched off.

What is flash memory used for?

Flash memory ICs are used in digital cameras, smartphones, computers, solid-state drives (SSD) and video game consoles. Flash memory is also found in scientific, medical and industrial applications.

What is the difference between NOR flash and NAND flash?

NOR

  • NOR flash memory provides a faster speed as possessing random access capabilities, a good choice for mobile devices as it is 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 memory is a popular choice for those needing a 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 USB sticks, smartphones 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. 914-2831
Mfr. Part No.MX29LV800CBTI-70G
BrandMacronix
MYR7.473
Each (In a Pack of 10)
units
8Mbit Parallel TSOP 48 1M x 8 bit, 512K x 16 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 914-2724
Mfr. Part No.MX25U3235EM2I-10G
BrandMacronix
MYR6.176
Each (In a Pack of 5)
units
32Mbit Serial SOP 8 8M x 4 bit, 16M x 2 bit, 32M x 1 bit Surface Mount NOR 1.65 V 2 V - - - - 5.38 x 5.33 x 1.91mm
RS Stock No. 188-2560
Mfr. Part No.W29N02GZBIBA
BrandWinbond
MYR21.829
Each (In a Tray of 210)
units
2Gbit Parallel VFBGA 63 256M x 8 bit Surface Mount SLC NAND 1.7 V 1.95 V - - - - 11.1 x 9.1 x 0.6mm
RS Stock No. 177-5274
Mfr. Part No.S25FL128SAGNFI011
MYR11.51
Each (In a Tube of 82)
units
128Mbit SPI WSON 8 32M x 4 bit, 64M x 2 bit, 128M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 8 x 6 x 0.75mm
RS Stock No. 188-2704
Mfr. Part No.W25Q64JVSSIQ
BrandWinbond
MYR4.515
Each (In a Pack of 10)
units
64Mbit Quad-SPI SOIC 8 8M x 8 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.38 x 5.38 x 1.91mm
RS Stock No. 170-3134
Mfr. Part No.MX29GL640ETTI-70G
BrandMacronix
MYR18.623
Each (In a Tray of 96)
units
64Mbit Parallel TSOP 48 4M x 16 bit, 8M x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 181-8353
Mfr. Part No.S25FS256SAGNFI001
MYR17.64
Each (In a Pack of 2)
units
256Mbit CFI, Parallel, SPI WSON 8 32M x 8 bit Surface Mount NOR 1.7 V 2 V - - - - 8 x 6 x 0.75mm
RS Stock No. 124-2650
Mfr. Part No.S25FL256SAGMFIG01
MYR17.64
Each (In a Pack of 2)
units
256Mbit SPI SOIC 16 64M x 4 bit, 128M x 2 bit, 256M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 10.3 x 7.5 x 2.55mm
RS Stock No. 188-2545
Mfr. Part No.W25X10CLSNIG
BrandWinbond
MYR1.22
Each (In a Tube of 100)
units
1Mbit SPI SOIC 8 128K x 8 bit Surface Mount NOR 2.3 V 3.6 V - - - - 5 x 4 x 1.5mm
RS Stock No. 170-3139
Mfr. Part No.MX29LV320EBTI-70G
BrandMacronix
MYR8.486
Each (In a Tray of 96)
units
32Mbit Parallel TSOP 48 2M x 16 bit, 4M x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 193-8854
Mfr. Part No.S29GL128S10TFIV20
MYR19.42
Each (In a Tray of 91)
units
128Mbit CFI TSOP 56 16M x 8 bit Surface Mount NOR 2.7 V 3.6 V - - - - 18.5 x 14.1 x 1.05mm
RS Stock No. 170-3155
Mfr. Part No.MX30LF4G18AC-TI
BrandMacronix
MYR22.393
Each (In a Tray of 96)
units
4Gbit Parallel TSOP 48 512M x 8 bit Surface Mount NAND 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 182-3316
Mfr. Part No.S29GL256S10TFIV20
MYR24.964
Each (In a Tray of 91)
units
256Mbit CFI TSOP 56 32M x 8 bit Surface Mount NOR 2.7 V 3.6 V - - - - 18.5 x 14.1 x 1.05mm
New
RS Stock No. 215-5783
Mfr. Part No.S25FL064LABMFI013
MYR5.96
Each (In a Pack of 10)
units
64Mbit SPI SOIC 8 8 M x 8 - NOR - - - - - - -
RS Stock No. 914-0683
Mfr. Part No.MX25L6433FM2I-08G
BrandMacronix
MYR4.242
Each (In a Pack of 5)
units
64Mbit Serial SOP 8 16 x 4 bit, 32M x 2 bit, 64M x 1 bit Surface Mount NOR 1.65 V 2 V - - - - 5.33 x 5.38 x 1.91mm
RS Stock No. 193-5560
Mfr. Part No.SST26VF032BEUI-104I/SM
BrandMicrochip
MYR10.704
Each (In a Pack of 5)
units
- - - - - - - - - - - - - -
RS Stock No. 170-3152
Mfr. Part No.MX30LF1G18AC-TI
BrandMacronix
MYR11.49
Each (In a Tray of 96)
units
1Gbit Parallel TSOP 48 128M x 8 bit Surface Mount NAND 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 905-3113
Mfr. Part No.SST26VF016B-104V/SM
BrandMicrochip
MYR6.96
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 - - - - 5.26 x 5.25 x 1.98mm
RS Stock No. 711-7981
Mfr. Part No.A25L080O-F
MYR6.67
Each (In a Pack of 2)
units
8Mbit SPI SOP 8 - Surface Mount - 2.7 V 3.6 V Symmetrical - - - 5 x 4 x 1.5mm
RS Stock No. 182-3380
Mfr. Part No.S29JL064J60TFI000
MYR23.10
Each (In a Pack of 2)
units
- - - - - - - - - - - - - -