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256 kbit Memory ICs

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Memory Size = 256 kbit

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (GBP) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Mounting Style	Package/Case	Memory Size	Interface Type
EEPROM 32kx8 - 2.5V 25LC256T-I/SN Microchip Technology 1: £1.30 11,113In Stock	Mfr. Part No. 25LC256T-I/SN Mouser Part No 579-25LC256T-I/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	11,113In Stock	Cut Tape £1.30 Reel £1.12 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 2.5-5.5v, 5MHz, Auto Grade1, 8-UDFN AT25256B-MAPDGV-T Microchip Technology 5,000: £1.13 5,000In Stock	Mfr. Part No. AT25256B-MAPDGV-T Mouser Part No 579-AT25256BMAPDGVT	Microchip Technology	EEPROM 2.5-5.5v, 5MHz, Auto Grade1, 8-UDFN	Datasheet	5,000In Stock	Reel £1.13	Min.: 5,000 Mult.: 5,000 : 5,000	EEPROM	SMD/SMT	UDFN-8	256 kbit	SPI
NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM CY14B256LA-ZS25XI Infineon Technologies 1: £20.78 858In Stock	Mfr. Part No. CY14B256LA-ZS25XI Mouser Part No 727-CY14B256LAZS25XI	Infineon Technologies	NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	858In Stock	£20.78 £19.26 £18.64 £18.19 View £17.74 £17.15 £16.12	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	TSOP-II-44	256 kbit	Parallel
F-RAM NVRAM FRAM Memory Serial FM25V02A-GTR Infineon Technologies 1: £6.57 26,586In Stock	Mfr. Part No. FM25V02A-GTR Mouser Part No 727-FM25V02A-GTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	26,586In Stock	Cut Tape £6.57 £6.11 £5.93 £5.79 View Reel £5.01 £5.65 £5.46 £5.33 £5.19 £5.01 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	SPI
F-RAM IIC FRAM 256k 3-5V F-RAM FM24W256-GTR Infineon Technologies 1: £5.12 4,918In Stock 17,500On Order	Mfr. Part No. FM24W256-GTR Mouser Part No 877-FM24W256-GTR	Infineon Technologies	F-RAM IIC FRAM 256k 3-5V F-RAM Learn More about Infineon Technologies cypress ramtron fram	Datasheet	4,918In Stock 17,500On Order On Order Ship Dates Mfr. No: FM24W256-GTR Stock: 4,918 Can Dispatch Immediately On Order: 5,000 Expected 24/12/2026 12,500 Expected 28/01/2027 Factory Lead Time: 4 Weeks	Cut Tape £5.12 £4.78 £4.64 £4.53 View Reel £3.96 £4.42 £4.27 £4.16 £4.06 £3.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C
F-RAM SPI FRAM 256k 3-5V FM25W256-GTR Infineon Technologies 1: £5.61 4,513In Stock 2,500On Order	Mfr. Part No. FM25W256-GTR Mouser Part No 877-FM25W256-GTR	Infineon Technologies	F-RAM SPI FRAM 256k 3-5V Learn More about Infineon Technologies cypress ramtron fram	Datasheet	4,513In Stock 2,500On Order	Cut Tape £5.61 £5.23 £5.07 £4.95 View Reel £4.29 £4.84 £4.68 £4.56 £4.44 £4.29 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	SPI
NVRAM 256k Nonvolatile SRAM DS1230Y-120+ Analog Devices / Maxim Integrated 1: £48.19 478In Stock	Mfr. Part No. DS1230Y-120+ Mouser Part No 700-DS1230Y-120	Analog Devices / Maxim Integrated	NVRAM 256k Nonvolatile SRAM	Datasheet	478In Stock	£48.19 £35.51 £34.78 £33.99 £33.73	Min.: 1 Mult.: 1 Max.: 383	NVRAM	Through Hole	EDIP-28	256 kbit	Parallel
EEPROM 256KBit, SPI BUS, Serial EEPROM : BR25G256FVM-5A is a 256 Kbit serial EEPROM of SPI BUS Interface. BR25G256FVM-5ATR ROHM Semiconductor 1: £0.638 3,000In Stock	Mfr. Part No. BR25G256FVM-5ATR Mouser Part No 755-BR25G256FVM-5ATR	ROHM Semiconductor	EEPROM 256KBit, SPI BUS, Serial EEPROM : BR25G256FVM-5A is a 256 Kbit serial EEPROM of SPI BUS Interface. Learn More about ROHM Semiconductor rohm br25gx eeproms	Datasheet	3,000In Stock	Cut Tape £0.638 £0.602 £0.587 £0.574 View Reel £0.498 £0.56 £0.545 £0.532 £0.519 £0.498	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	MSOP-8	256 kbit	Serial
EEPROM 125 C Operation SPI BUS EEPROM for Automotive BR25H256FVM-5ACTR ROHM Semiconductor 1: £0.751 3,000In Stock	Mfr. Part No. BR25H256FVM-5ACTR Mouser Part No 755-BR25H256FVM5ACTR	ROHM Semiconductor	EEPROM 125 C Operation SPI BUS EEPROM for Automotive Learn More about ROHM Semiconductor rohm i2c automotive eeproms	Datasheet	3,000In Stock	Cut Tape £0.751 £0.705 £0.685 £0.671 View Reel £0.591 £0.656 £0.636 £0.622 £0.607 £0.591	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	MSOP-8	256 kbit	Serial
EEPROM 256KBIT HIGH SPEED WRITE CYCLE BR25H256NUX-5ACTR ROHM Semiconductor 1: £0.751 4,931In Stock	Mfr. Part No. BR25H256NUX-5ACTR Mouser Part No 755-BR25H256NUX5ACTR	ROHM Semiconductor	EEPROM 256KBIT HIGH SPEED WRITE CYCLE Learn More about ROHM Semiconductor rohm industrial product solutions	Datasheet	4,931In Stock	Cut Tape £0.751 £0.705 £0.685 £0.671 View Reel £0.576 £0.656 £0.636 £0.622 £0.607 £0.576 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	VSON008X2030-8	256 kbit	Serial
EEPROM 256KB SPI SER CMOS EEPROM CAT25256XE-T2 onsemi 1: £2.51 1,953In Stock	Mfr. Part No. CAT25256XE-T2 Mouser Part No 863-CAT25256XE-T2	onsemi	EEPROM 256KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,953In Stock	Cut Tape £2.51 £2.36 £2.28 £2.23 View Reel £1.96 £2.17 £2.11 £2.08 £2.03 £1.96 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
NVRAM 256K (32Kx8) 70ns M48Z35Y-70PC1 STMicroelectronics 1: £26.79 1,245In Stock	Mfr. Part No. M48Z35Y-70PC1 Mouser Part No 511-M48Z35Y70PC1	STMicroelectronics	NVRAM 256K (32Kx8) 70ns	Datasheet	1,245In Stock	£26.79 £24.71 £23.84 £23.31 View £22.74 £21.95 Quote	Min.: 1 Mult.: 1	NVRAM	Through Hole	PCDIP-28	256 kbit	Parallel
EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3 AT25256B-MAHL-T Microchip Technology 5,000: £0.696 20,000In Stock	Mfr. Part No. AT25256B-MAHL-T Mouser Part No 556-AT25256B-MAHL-T	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	20,000In Stock	Reel £0.696	Min.: 5,000 Mult.: 5,000 : 5,000	EEPROM	SMD/SMT	UDFN-8	256 kbit	3-Wire, SPI
EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID 24AA256UID-I/SN Microchip Technology 1: £0.882 17,657In Stock	Mfr. Part No. 24AA256UID-I/SN Mouser Part No 579-24AA256UID-I/SN	Microchip Technology	EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID	Datasheet	17,657In Stock	£0.882 £0.841 £0.818	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
EEPROM 256K 32KX8 2.5V HI- SP SER EE IND 24FC256T-I/MF Microchip Technology 1: £1.10 3,075In Stock	Mfr. Part No. 24FC256T-I/MF Mouser Part No 579-24FC256T-I/MF	Microchip Technology	EEPROM 256K 32KX8 2.5V HI- SP SER EE IND	Datasheet	3,075In Stock	Cut Tape £1.10 Reel £1.01 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	DFN-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256T-I/SN Microchip Technology 1: £0.882 20,508In Stock 23,100Expected 30/10/2026	Mfr. Part No. 24LC256T-I/SN Mouser Part No 579-24LC256T-I/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	20,508In Stock 23,100Expected 30/10/2026	Cut Tape £0.882 Reel £0.752 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
EEPROM 256kb I2C Serial CMOS EEPROM CAT24C256WI-GT3 onsemi 1: £0.578 182,261In Stock	Mfr. Part No. CAT24C256WI-GT3 Mouser Part No 698-CAT24C256WI-GT3	onsemi	EEPROM 256kb I2C Serial CMOS EEPROM	Datasheet	182,261In Stock	Cut Tape £0.578 £0.544 £0.528 £0.518 View Reel £0.451 £0.506 £0.491 £0.48 £0.469 £0.451 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
EEPROM 256K SPI Serial CMOS EEPROM CAT25256YI-GT3 onsemi 1: £0.826 23,603In Stock	Mfr. Part No. CAT25256YI-GT3 Mouser Part No 698-CAT25256YI-GT3	onsemi	EEPROM 256K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	23,603In Stock	Cut Tape £0.826 £0.773 £0.759 £0.735 View Reel £0.648 £0.719 £0.698 £0.681 £0.664 £0.648 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	3-Wire, SPI
EEPROM LOW-SATURATION VOLTAGE CAT24C256HU4IGT3 onsemi 1: £0.503 42,173In Stock	Mfr. Part No. CAT24C256HU4IGT3 Mouser Part No 863-CAT24C256HU4IGT3	onsemi	EEPROM LOW-SATURATION VOLTAGE	Datasheet	42,173In Stock	Cut Tape £0.503 £0.48 £0.467 £0.457 View Reel £0.399 £0.448 £0.434 £0.424 £0.415 £0.399 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	UDFN-8	256 kbit	2-Wire, I2C
F-RAM NVRAM FRAM Memory Serial Infineon Technologies FM24V02A-GTR FM24V02A-GTR Infineon Technologies 1: £6.24 4,490In Stock 2,500Expected 03/12/2026	Mfr. Part No. FM24V02A-GTR Mouser Part No 727-FM24V02A-GTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	4,490In Stock 2,500Expected 03/12/2026	Cut Tape £6.24 £5.81 £5.63 £5.50 View Reel £4.76 £5.37 £5.19 £5.06 £4.93 £4.76 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C
F-RAM FRAM Infineon Technologies FM25V02A-DGQ FM25V02A-DGQ Infineon Technologies 1: £6.39 4,864In Stock	Mfr. Part No. FM25V02A-DGQ Mouser Part No 727-FM25V02A-DGQ	Infineon Technologies	F-RAM FRAM	Datasheet	4,864In Stock	£6.39 £5.95 £5.76 £5.53 View £5.40 £5.26 £5.16 £5.04	Min.: 1 Mult.: 1	FRAM	SMD/SMT	DFN-8	256 kbit	SPI
EEPROM 256-Kbit serial I2C Bus EEPROM M24256-DFMC6TG STMicroelectronics 1: £0.436 48,388In Stock NRND	Mfr. Part No. M24256-DFMC6TG Mouser Part No 511-M24256-DFMC6TG NRND	STMicroelectronics	EEPROM 256-Kbit serial I2C Bus EEPROM Learn More about STMicroelectronics stm standard products	Datasheet	48,388In Stock	Cut Tape £0.436 £0.411 £0.40 £0.393 View Reel £0.351 £0.384 £0.374 £0.366 £0.356 £0.351 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	EEPROM	SMD/SMT	UFDFPN-8	256 kbit	2-Wire, I2C
F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 T&R MB85RS256TYPNF-G-BCERE1 RAMXEED 1: £6.20 505In Stock 1,500Expected 31/12/2026	Mfr. Part No. MB85RS256TYPNF-G-BCERE1 Mouser Part No 249-85S256TYPNFGBCR1	RAMXEED	F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 T&R Learn More about RAMXEED fujitsu fram	Datasheet	505In Stock 1,500Expected 31/12/2026	Cut Tape £6.20 £5.76 £5.60 £5.46 View Reel £4.83 £5.33 £5.16 £5.03 £4.83 £4.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	FRAM	SMD/SMT	SOP-8	256 kbit	SPI
F-RAM 256kbit FeRAM with SPI, AECQ100 125C- SOP8 T&R MB85RS256TYPNF-GS-BCERE1 RAMXEED 1: £7.16 2,667In Stock	Mfr. Part No. MB85RS256TYPNF-GS-BCERE1 Mouser Part No 249-85S256TYPNFGSBCR	RAMXEED	F-RAM 256kbit FeRAM with SPI, AECQ100 125C- SOP8 T&R Learn More about RAMXEED fujitsu fram	Datasheet	2,667In Stock	Cut Tape £7.16 £6.66 £6.46 £6.30 View Reel £5.57 £6.15 £5.96 £5.81 £5.58 £5.57 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	FRAM	SMD/SMT	SOP-8	256 kbit	SPI
EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3 AT25256B-SSHL-B Microchip Technology 1: £0.721 2,261In Stock	Mfr. Part No. AT25256B-SSHL-B Mouser Part No 556-AT25256B-SSHL-B	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	2,261In Stock	£0.721 £0.72 £0.696 £0.68 £0.663	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-Narrow-8	256 kbit	3-Wire, SPI