EEPROM or F-RAM?

F-RAM is faster, consumes 200 times less energy and has virtually unlimited endurance. Check out our stock products from Cypress.

Cypress F-RAM offers 100 trillion (1014) read/write cycles.
EEPROMs typically have less than 1 million (106) cycle endurance.

The F-RAM is far superior to EEPROM in both write speed and power consumption. F-RAM writes data at full interface speed, up to 40MHz for SPI, without any write delays and data is instantly nonvolatile. The EEPROM typically has a delay of 5ms before the data becomes nonvolatile.

For a typical 64Kb serial SPI EEPROM with a clock rate of 20 MHz, it would take 5 ms to write 256 bits (32-byte page buffer) and 1283.6 ms to write the entire 64 Kb. With an equivalent F-RAM, it takes only 14 µs for 256 bits and just 3.25 ms to write the entire 64Kb. In addition, writing 64Kb to the EEPROM requires 3900 µJ, writing 64Kb to the F-RAM requires only 17 µJ - a difference of more than 229 times.

Serial F-RAMs are pin-compatible with serial EEPROMs.

For more information about Cypress products, feel free to contact us at sales@soselectronic.com

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The world´s most energy-efficient serial nonvolatile RAM with fast write speed and high endurance. Cypress is the trusted leader for instant data capture and protection.

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Main products


FM25640B-GTR CYPRESS  
FM25640B-GTR

FRAM 64K (8K x 8) SPI 20MHz SO8

Memory ICs FRAM

Ord. No.: 340273
Manufacturer: CYPRESS
in stock 43 pcs
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6,71 €
6,08 €
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FM25L16B-GTR CYPRESS  
FM25L16B-GTR

FRAM 16K (2K x 8) SPI 20MHz SO8

Memory ICs FRAM

Ord. No.: 313769
Manufacturer: CYPRESS
in stock 100 pcs
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FM25C160B-GTR CYPRESS  
FM25C160B-GTR

FRAM 16K (2K x 8) SPI 20MHz SO8

Memory ICs FRAM

Ord. No.: 340277
Manufacturer: CYPRESS
in stock 0 pcs
(11/25/2022: 100 pcs)
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1,36 €
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FM24CL16B-GTR CYPRESS  
FM24CL16B-GTR

FRAM 16K (2K x 8) I2C 1MHz SO8

Memory ICs FRAM

Ord. No.: 216675
Manufacturer: CYPRESS
in stock 180 pcs
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3,21 €
2,85 €
2,64 €
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FM25040B-GTR CYPRESS  
FM25040B-GTR

FRAM 4K (512 x 8) SPI 20MHz SO8

Memory ICs FRAM

Ord. No.: 103031
Manufacturer: CYPRESS
in stock 10 pcs
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3,20 €
2,84 €
2,63 €
2,44 €
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FM25L04B-GTR CYPRESS  
FM25L04B-GTR

FRAM 4K (512 x 8) 20MHz SPI SO8

Memory ICs FRAM

Ord. No.: 233013
Manufacturer: CYPRESS
in stock 95 pcs
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3,72 €
3,31 €
3,06 €
2,84 €
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FM24CL04B-GTR CYPRESS  
FM24CL04B-GTR

FRAM 4K (512 x8 ) I2C 1MHz SO8

Memory ICs FRAM

Ord. No.: 161570
Manufacturer: CYPRESS
in stock 171 pcs
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3,31 €
2,95 €
2,72 €
2,53 €
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Additional products


FM24C16B-G CYPRESS  
FM24C16B-G

FRAM 16K (2Kx8) I2C 1MHz SO8

Memory ICs FRAM

Ord. No.: 5356
Manufacturer: CYPRESS
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FM24C64B-G CYPRESS  
FM24C64B-G

FRAM 64K (8Kx8) I2C 1MHz SO8

Memory ICs FRAM

Ord. No.: 5357
Manufacturer: CYPRESS
in stock 68 pcs
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3,26 €
2,90 €
2,68 €
2,49 €
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FM24W256-GTR CYPRESS  
FM24W256-GTR

FRAM 256K (32K x 8) I2C 1MHz SO8

Memory ICs FRAM

Ord. No.: 293676
Manufacturer: CYPRESS
in stock 0 pcs
(06/10/2022: 3000 pcs)
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4,23 €
3,76 €
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3,16 €
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FM25W256-GTR CYPRESS  
FM25W256-GTR

FRAM 256K (32K x 8) SPI 20MHz SO8

Memory ICs FRAM

Ord. No.: 111613
Manufacturer: CYPRESS
in stock 858 pcs
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4,85 €
4,70 €
4,01 €
3,76 €
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FM25V10-GTR CYPRESS  
FM25V10-GTR

FRAM 1M (128K x 8) SPI 40MHz SO8

Memory ICs FRAM

Ord. No.: 293715
Manufacturer: CYPRESS
in stock 279 pcs
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15,47 €
14,18 €
12,89 €
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