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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 256K SPI Serial CMOS EEPROM CAT25256VI-GT3 onsemi 1: £0.668 14,451In Stock 12,000Expected 04/06/2027	Mfr. Part No. CAT25256VI-GT3 Mouser Part No 698-CAT25256VI-GT3	onsemi	EEPROM 256K SPI Serial CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	14,451In Stock 12,000Expected 04/06/2027	Cut Tape £0.668 £0.631 £0.615 £0.601 View Reel £0.525 £0.588 £0.571 £0.557 £0.545 £0.525 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	3-Wire, SPI
NVRAM 256Kb 3V 45ns 32K x 8 nvSRAM CY14B256LA-SP45XI Infineon Technologies 1: £18.70 532In Stock	Mfr. Part No. CY14B256LA-SP45XI Mouser Part No 727-CY14B256LASP45XI	Infineon Technologies	NVRAM 256Kb 3V 45ns 32K x 8 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	532In Stock	£18.70 £17.33 £16.67 £16.26 View £15.85 £15.39 £15.03 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SSOP-48	256 kbit
F-RAM NVRAM FRAM Memory Serial FM24V02A-G Infineon Technologies 1: £6.24 2,070In Stock 1,940Expected 12/11/2026	Mfr. Part No. FM24V02A-G Mouser Part No 727-FM24V02A-G	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	2,070In Stock 1,940Expected 12/11/2026	£6.24 £5.81 £5.63 £5.37 View £5.24 £5.17 £5.13 £5.02 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C
EEPROM HIGH END LOW PWR EEPROM BR24G256FVT-5E2 ROHM Semiconductor 1: £0.533 4,139In Stock	Mfr. Part No. BR24G256FVT-5E2 Mouser Part No 755-BR24G256FVT-5E2	ROHM Semiconductor	EEPROM HIGH END LOW PWR EEPROM Learn More about ROHM Semiconductor rohm br24g64 eeproms	Datasheet	4,139In Stock	Cut Tape £0.533 £0.502 £0.49 £0.479 View Reel £0.426 £0.469 £0.455 £0.444 £0.434 £0.426 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	TSSOP-B-8	256 kbit	I2C
EEPROM 256KB SPI SER CMOS EEPROM CAT25256HU4I-GT3 onsemi 1: £0.684 4,576In Stock	Mfr. Part No. CAT25256HU4I-GT3 Mouser Part No 863-CAT25256HU4I-GT3	onsemi	EEPROM 256KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	4,576In Stock	Cut Tape £0.684 £0.64 £0.622 £0.608 View Reel £0.532 £0.595 £0.578 £0.565 £0.551 £0.532 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	UDFN-8	256 kbit	3-Wire, SPI
EEPROM 256KB I2C SER EEPROM CAV24C256WE-GT3 onsemi 1: £0.586 13,521In Stock 24,000Expected 04/12/2026	Mfr. Part No. CAV24C256WE-GT3 Mouser Part No 863-CAV24C256WE-GT3	onsemi	EEPROM 256KB I2C SER EEPROM	Datasheet	13,521In Stock 24,000Expected 04/12/2026	Cut Tape £0.586 £0.55 £0.535 £0.524 View Reel £0.457 £0.512 £0.497 £0.485 £0.474 £0.457 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
EEPROM 256KB I2C SER EEPROM CAV24C256YE-GT3 onsemi 1: £0.684 5,721In Stock	Mfr. Part No. CAV24C256YE-GT3 Mouser Part No 863-CAV24C256YE-GT3	onsemi	EEPROM 256KB I2C SER EEPROM	Datasheet	5,721In Stock	Cut Tape £0.684 £0.639 £0.622 £0.608 View Reel £0.531 £0.595 £0.577 £0.564 £0.55 £0.531 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 256KB SPI SER CMOS EEPROM CAV25256VE-GT3 onsemi 1: £0.856 2,712In Stock 3,000Expected 25/06/2027	Mfr. Part No. CAV25256VE-GT3 Mouser Part No 863-CAV25256VE-GT3	onsemi	EEPROM 256KB SPI SER CMOS EEPROM	Datasheet	2,712In Stock 3,000Expected 25/06/2027	Cut Tape £0.856 £0.803 £0.78 £0.766 View Reel £0.679 £0.751 £0.731 £0.713 £0.696 £0.679 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256KB SPI SER CMOS EEPROM CAV25256YE-GT3 onsemi 1: £0.952 2,741In Stock	Mfr. Part No. CAV25256YE-GT3 Mouser Part No 863-CAV25256YE-GT3	onsemi	EEPROM 256KB SPI SER CMOS EEPROM	Datasheet	2,741In Stock	Cut Tape £0.952 £0.89 £0.871 £0.849 View Reel £0.751 £0.834 £0.803 £0.788 £0.773 £0.751 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	3-Wire, SPI
SRAM GENERAL SALES (ULP) N25S830HAS22IT onsemi 1: £1.74 1,107In Stock 3,000Expected 07/12/2026	Mfr. Part No. N25S830HAS22IT Mouser Part No 863-N25S830HAS22IT	onsemi	SRAM GENERAL SALES (ULP)	Datasheet	1,107In Stock 3,000Expected 07/12/2026	Cut Tape £1.74 £1.63 £1.58 £1.55 View Reel £1.07 £1.51 £1.47 £1.42 £1.40 £1.07 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	SRAM	SMD/SMT	SOIC-8	256 kbit	SPI
F-RAM 256Kb 70ns 32K x 8 Parallel FRAM FM1808B-SG Infineon Technologies 1: £14.94 390In Stock 540Expected 24/12/2026	Mfr. Part No. FM1808B-SG Mouser Part No 877-FM1808B-SG	Infineon Technologies	F-RAM 256Kb 70ns 32K x 8 Parallel FRAM Learn More about Infineon Technologies cypress parallel fram	Datasheet	390In Stock 540Expected 24/12/2026	£14.94 £13.85 £13.40 £13.08 View £12.75 £12.34 £12.03 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-28	256 kbit	Parallel
F-RAM 256Kb 70ns 32K x 8 Parallel FRAM FM18W08-SG Infineon Technologies 1: £14.94 783In Stock	Mfr. Part No. FM18W08-SG Mouser Part No 877-FM18W08-SG	Infineon Technologies	F-RAM 256Kb 70ns 32K x 8 Parallel FRAM Learn More about Infineon Technologies cypress parallel fram	Datasheet	783In Stock	£14.94 £13.85 £13.40 £13.08 View £12.56 £12.20 £8.35	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-28	256 kbit	Parallel
F-RAM IIC FRAM 256k 3-5V F-RAM FM24W256-G Infineon Technologies 1: £5.25 2,515In Stock 1,940On Order	Mfr. Part No. FM24W256-G Mouser Part No 877-FM24W256-G	Infineon Technologies	F-RAM IIC FRAM 256k 3-5V F-RAM Learn More about Infineon Technologies cypress serial fram	Datasheet	2,515In Stock 1,940On Order	£5.25 £4.89 £4.75 £4.58 View £4.48 £4.37 £4.26 £4.15 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C
F-RAM 256K (32Kx8) 60ns F-RAM FM28V020-SG Infineon Technologies 1: £14.51 562In Stock 2,160On Order	Mfr. Part No. FM28V020-SG Mouser Part No 877-FM28V020-SG	Infineon Technologies	F-RAM 256K (32Kx8) 60ns F-RAM Learn More about Infineon Technologies cypress v family f ram	Datasheet	562In Stock 2,160On Order On Order Ship Dates Mfr. No: FM28V020-SG Stock: 562 Can Dispatch Immediately On Order: 1,080 Expected 12/11/2026 1,080 Expected 12/08/2027 Factory Lead Time: 26 Weeks	£14.51 £13.46 £13.01 £12.68 View £11.97 £11.68 £8.35	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-28	256 kbit	Parallel
SRAM 16K X 16K 70261L20PFGI Renesas Electronics 1: £78.66 37In Stock	Mfr. Part No. 70261L20PFGI Mouser Part No 972-70261L20PFGI	Renesas Electronics	SRAM 16K X 16K	Datasheet	37In Stock	£78.66 £72.55 £70.17 £68.40 £66.66	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TQFP-100	256 kbit	Parallel
SRAM 16Kx16,3.3V DUAL- PORT RAM w/INT 70V261L25PFG Renesas Electronics 1: £72.90 38In Stock	Mfr. Part No. 70V261L25PFG Mouser Part No 972-70V261L25PFG	Renesas Electronics	SRAM 16Kx16,3.3V DUAL- PORT RAM w/INT	Datasheet	38In Stock	£72.90 £66.30 £64.42 £62.77 View £61.90 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TQFP-100	256 kbit	Parallel
SRAM SRAM, 256Kb, 32K x 8, 5V, 28pin PDIP, 15ns, Commercial Temp, C Die Alliance Memory AS7C256C-15PCN AS7C256C-15PCN Alliance Memory 1: £11.42 229In Stock New Product	Mfr. Part No. AS7C256C-15PCN Mouser Part No 913-AS7C256C-15PCN New Product	Alliance Memory	SRAM SRAM, 256Kb, 32K x 8, 5V, 28pin PDIP, 15ns, Commercial Temp, C Die	Datasheet	229In Stock	£11.42 £10.46 £10.21 £9.95 View £9.75 £9.45 £9.20	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 2.5 V to 5.5V 256k M95256-WMN6P STMicroelectronics 1: £0.586 4,950In Stock 8,000Expected 16/07/2027 NRND	Mfr. Part No. M95256-WMN6P Mouser Part No 511-M95256-WMN6P NRND	STMicroelectronics	EEPROM 2.5 V to 5.5V 256k Learn More about STMicroelectronics stm standard products	Datasheet	4,950In Stock 8,000Expected 16/07/2027	£0.586 £0.516 £0.503 £0.48 View £0.471 £0.457 £0.448 £0.437 £0.405	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V Lead Free Package 24LC256-I/STG Microchip Technology 1: £0.849 815In Stock NRND	Mfr. Part No. 24LC256-I/STG Mouser Part No 579-24LC256-I/STG NRND	Microchip Technology	EEPROM 32kx8 - 2.5V Lead Free Package	Datasheet	815In Stock	£0.849 £0.826 £0.803	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
F-RAM 256kbit FeRAM with I2C serial interface, 5V - SOP8 (208mil) tube MB85RC256VPF-G-BCE1 RAMXEED 1: £7.03 221In Stock 1,200Expected 26/02/2027	Mfr. Part No. MB85RC256VPF-G-BCE1 Mouser Part No 249-MB85RC256VPCE1	RAMXEED	F-RAM 256kbit FeRAM with I2C serial interface, 5V - SOP8 (208mil) tube Learn More about RAMXEED fujitsu fram	Datasheet	221In Stock 1,200Expected 26/02/2027	£7.03 £6.53 £6.34 £6.20 View £5.04 £4.20	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOP-8	256 kbit	I2C
F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 tube MB85RS256TYPNF-G-BCE1 RAMXEED 1: £6.21 103In Stock 255Expected 18/11/2026	Mfr. Part No. MB85RS256TYPNF-G-BCE1 Mouser Part No 249-MB85S256TNFGBCE1	RAMXEED	F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 tube	Datasheet	103In Stock 255Expected 18/11/2026	£6.21 £5.77 £5.60 £5.47 View £5.33 £5.16 £5.03 £4.83	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOP-8	256 kbit	SPI
EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3 AT25256B-XHL-B Microchip Technology 1: £0.736 552In Stock 800Expected 30/10/2026	Mfr. Part No. AT25256B-XHL-B Mouser Part No 556-AT25256B-XHL-B	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	552In Stock 800Expected 30/10/2026	£0.736 £0.711 £0.696 £0.68	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	3-Wire, SPI
EPROM 256k (32k x 8) OTP Atmel EPROM AT27BV256-70JU Microchip Technology 1: £2.87 54In Stock	Mfr. Part No. AT27BV256-70JU Mouser Part No 556-AT27BV25670JU	Microchip Technology	EPROM 256k (32k x 8) OTP Atmel EPROM	Datasheet	54In Stock	£2.87 £2.76 £2.69 £2.66	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45PU Microchip Technology 1: £2.23 19In Stock 3,234On Order	Mfr. Part No. AT27C256R-45PU Mouser Part No 556-AT27C256R-45PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	19In Stock 3,234On Order On Order Ship Dates Mfr. No: AT27C256R-45PU Stock: 19 Can Dispatch Immediately On Order: 1,120 Expected 05/11/2026 2,114 Expected 09/11/2026 Factory Lead Time: 8 Weeks	£2.23 £2.14 £2.05	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP AT28BV256-20JU Microchip Technology 1: £9.52 94In Stock	Mfr. Part No. AT28BV256-20JU Mouser Part No 556-AT28BV25620JU	Microchip Technology	EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP	Datasheet	94In Stock	£9.52 £9.18 £8.81	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel