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. 914-2838
Mfr. Part No.MX29LV640EBTI-70G
BrandMacronix
MYR13.26
Each (In a Pack of 5)
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. 914-0699
Mfr. Part No.MX25L6445EM2I-10G
BrandMacronix
MYR7.246
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 2.7 V 3.6 V - - - - 5.33 x 5.38 x 1.91mm
RS Stock No. 914-2793
Mfr. Part No.MX29GL640ETTI-70G
BrandMacronix
MYR20.05
Each (In a Pack of 5)
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. 914-2844
Mfr. Part No.MX29LV800CTTI-70G
BrandMacronix
MYR8.148
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. 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. 170-3157
Mfr. Part No.MX30UF1G18AC-TI
BrandMacronix
MYR14.89
Each (In a Tray of 96)
units
1Gbit Parallel TSOP 48 64M x 16 bit, 128M x 8 bit Surface Mount NAND 1.7 V 1.95 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 914-0677
Mfr. Part No.MX25L512EMI-10G
BrandMacronix
MYR1.923
Each (In a Pack of 20)
units
512kbit Serial SOP 8 256k x 2 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.03 x 4 x 1.55mm
RS Stock No. 914-2737
Mfr. Part No.MX25V4006EM1I-13G
BrandMacronix
MYR1.693
Each (In a Pack of 20)
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. 914-2829
Mfr. Part No.MX29LV400CTTI-70G
BrandMacronix
MYR7.13
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
RS Stock No. 170-3092
Mfr. Part No.MX25L6406EM2I-12G
BrandMacronix
MYR4.754
Each (In a Tube of 92)
units
64Mbit Serial SOP 8 32M x 2 bit, 64M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 5.33 x 5.38 x 1.91mm
RS Stock No. 170-3136
Mfr. Part No.MX29LV040CQI-70G
BrandMacronix
MYR9.076
Each (In a Tube of 32)
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. 170-3142
Mfr. Part No.MX29LV320ETTI-70G
BrandMacronix
MYR9.035
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. 914-0680
Mfr. Part No.MX25L6406EMI-12G1
BrandMacronix
MYR7.004
Each (In a Pack of 5)
units
64Mbit Serial SOP 16 32M x 2 bit, 64M x 1 bit Surface Mount NOR 1.65 V 2 V - - - - 10.5 x 7.6 x 2.45mm
RS Stock No. 914-2768
Mfr. Part No.MX29F800CTTI-70G
BrandMacronix
MYR14.355
Each (In a Pack of 2)
units
8Mbit Parallel TSOP 48 1M x 8 bit, 512K x 16 bit Surface Mount - 4.5 V 5.5 V - - - - 18.5 x 12.1 x 1.05mm
RS Stock No. 170-3105
Mfr. Part No.MX25L8006EM1I-12G
BrandMacronix
MYR1.728
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. 170-3151
Mfr. Part No.MX30LF1208AA-TI
BrandMacronix
MYR24.558
Each (In a Tray of 96)
units
512Mbit Parallel TSOP 48 64M x 8 bit Surface Mount NAND 2.7 V 3.6 V - - - - 18.5 x 12.1 x 1.05mm
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. 170-3077
Mfr. Part No.MX25L2006EM1I-12G
BrandMacronix
MYR1.383
Each (In a Tube of 98)
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. 170-3156
Mfr. Part No.MX66L51235FMI-10G
BrandMacronix
MYR41.431
Each (In a Tube of 44)
units
512Mbit Serial SOP 16 128M x 4 bit, 256M x 2 bit, 512M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 10.5 x 7.6 x 2.44mm
RS Stock No. 170-3093
Mfr. Part No.MX25L51245GMI-10G
BrandMacronix
MYR35.566
Each (In a Tube of 44)
units
512Mbit Serial SOP 16 128M x 4 bit, 256M x 2 bit, 512M x 1 bit Surface Mount NOR 2.7 V 3.6 V - - - - 10.5 x 7.6 x 2.45mm