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. 914-2740
Mfr. Part No.MX29F400CBMI-70G
BrandMacronix
MYR16.338
Each (In a Pack of 5)
units
4Mbit Parallel SOP 44 256K x 16 bit, 512K x 8 bit Surface Mount - 4.5 V 5.5 V - - - - 28.63 x 12.73 x 2.8mm
RS Stock No. 914-2787
Mfr. Part No.MX29GL256FLT2I-90Q
BrandMacronix
MYR23.135
Each (In a Pack of 2)
units
256Mbit Parallel TSOP 56 16M x 16 bit, 32M x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 14.1 x 1.05mm
RS Stock No. 914-0659
Mfr. Part No.MX25L3235EM2I-10G
BrandMacronix
MYR4.229
Each (In a Pack of 10)
units
32Mbit Serial SOP 8 8M x 4 bit, 16M x 2 bit, 32M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.38 x 5.33 x 1.91mm
RS Stock No. 914-2850
Mfr. Part No.MX30LF1G18AC-TI
BrandMacronix
MYR14.49
Each (In a Pack of 2)
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. 914-2706
Mfr. Part No.MX25L8006EZUI-12G
BrandMacronix
MYR2.692
Each (In a Pack of 10)
units
8Mbit Serial USON 8 4M x 2 bit, 8M x 1 bit Surface Mount NOR 1.65 V 3.6 V - - - - 4.1 x 4.1 x 0.55mm
RS Stock No. 170-3105
Mfr. Part No.MX25L8006EM1I-12G
BrandMacronix
MYR1.903
Each (In a Tube of 98)
units
8Mbit Serial SOP 8 4M x 2 bit, 8M x 1 bit Surface Mount NOR 1.65 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 914-0621
Mfr. Part No.MX25L2006EM1I-12G
BrandMacronix
MYR1.535
Each (In a Pack of 20)
units
2Mbit Serial SOP 8 1M x 2 bit, 2M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 170-3102
Mfr. Part No.MX25L8006EM2I-12G
BrandMacronix
MYR1.822
Each (In a Tube of 92)
units
8Mbit Serial SOP 8 4M x 2 bit, 8M x 1 bit Surface Mount NOR 1.65 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 170-3144
Mfr. Part No.MX29LV400CTTI-70G
BrandMacronix
MYR7.158
Each (In a Tray of 96)
units
4Mbit Parallel TSOP 48 256K x 16 bit, 512K x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 170-3134
Mfr. Part No.MX29GL640ETTI-70G
BrandMacronix
MYR20.853
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. 170-3145
Mfr. Part No.MX29LV800CBTI-70G
BrandMacronix
MYR7.216
Each (In a Tray of 96)
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. 914-0609
Mfr. Part No.MX25L12835FM2I-10G
BrandMacronix
MYR10.798
Each (In a Pack of 5)
units
128Mbit Serial SOP 8 32M x 4 bit, 64M x 2 bit, 128M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.33 x 5.38 x 1.91mm
RS Stock No. 914-2796
Mfr. Part No.MX29LV040CQC-70G
BrandMacronix
MYR12.638
Each (In a Pack of 5)
units
4Mbit Parallel PLCC 32 512K x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 11.5 x 14.12 x 2.89mm
RS Stock No. 914-2715
Mfr. Part No.MX25R3235FM1IL0
BrandMacronix
MYR4.846
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 3.6 V - - - - 5.38 x 5.33 x 1.91mm
RS Stock No. 170-3086
Mfr. Part No.MX25L3233FM1I-08G
BrandMacronix
MYR2.175
Each (In a Tube of 98)
units
32Mbit Serial SOP 8 8M x 4 bit, 16M x 2 bit, 32M x 1 bit Surface Mount NOR 2.65 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 170-3115
Mfr. Part No.MX25V4006EM1I-13G
BrandMacronix
MYR1.736
Each (In a Tube of 98)
units
4Mbit Serial SOP 8 2M x 2 bit, 4M x 1 bit Surface Mount NOR 2.35 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 170-3147
Mfr. Part No.MX29LV640EBTI-70G
BrandMacronix
MYR10.85
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. 914-2718
Mfr. Part No.MX25R6435FM2IL0
BrandMacronix
MYR6.09
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 1.7 V 3.6 V - - - - 5.38 x 5.33 x 1.91mm
RS Stock No. 170-3073
Mfr. Part No.MX25L12845EMI-10G
BrandMacronix
MYR13.789
Each (In a Tube of 44)
units
128Mbit Serial SOP 16 32M x 4 bit, 64M x 2 bit, 128M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 10.5 x 7.6 x 2.44mm
RS Stock No. 914-2825
Mfr. Part No.MX29LV400CBTI-70G
BrandMacronix
MYR7.158
Each (In a Pack of 5)
units
4Mbit Parallel TSOP 48 256K x 16 bit, 512K x 8 bit Surface Mount - 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm