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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 256-Kbit serial I2C bus EEPROM 105°C operation M24256-DRMN8TP/K STMicroelectronics 1: £0.503 2,128In Stock 5,000Expected 16/07/2027	Mfr. Part No. M24256-DRMN8TP/K Mouser Part No 511-M24256-DRMN8TP/K	STMicroelectronics	EEPROM 256-Kbit serial I2C bus EEPROM 105°C operation Learn More about STMicroelectronics stm standard products	Datasheet	2,128In Stock 5,000Expected 16/07/2027	Cut Tape £0.503 £0.471 £0.458 £0.45 View Reel £0.392 £0.44 £0.427 £0.416 £0.407 £0.392 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
NVRAM 256K (32Kx8) 70ns M48Z35Y-70MH1F STMicroelectronics 1: £17.62 88In Stock	Mfr. Part No. M48Z35Y-70MH1F Mouser Part No 511-M48Z35Y-70MH1F	STMicroelectronics	NVRAM 256K (32Kx8) 70ns	Datasheet	88In Stock	Cut Tape £17.62 £16.42 £15.90 £15.89 View Reel £12.87 £15.80 £12.87 Quote MouseReel Available	Min.: 1 Mult.: 1 : 936	NVRAM	SMD/SMT	SOH-28	256 kbit	Parallel
EEPROM 256-Kbit serial SPI bus EEPROM M95256-DFMN6TP STMicroelectronics 1: £0.661 1,293In Stock 2,500On Order	Mfr. Part No. M95256-DFMN6TP Mouser Part No 511-M95256-DFMN6TP	STMicroelectronics	EEPROM 256-Kbit serial SPI bus EEPROM Learn More about STMicroelectronics stm standard products	Datasheet	1,293In Stock 2,500On Order	Cut Tape £0.661 £0.615 £0.598 £0.586 View Reel £0.416 £0.572 £0.555 £0.543 £0.529 £0.416 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM Automotive 256 Kbit SPI bus EEPROM with high speed clock M95256-DRMF3TG/K STMicroelectronics 1: £1.16 46In Stock 2,500Expected 05/11/2026	Mfr. Part No. M95256-DRMF3TG/K Mouser Part No 511-M95256-DRMF3TG/K	STMicroelectronics	EEPROM Automotive 256 Kbit SPI bus EEPROM with high speed clock	Datasheet	46In Stock 2,500Expected 05/11/2026	Cut Tape £1.16 £1.10 £1.07 £0.995 View Reel £0.863 £0.969 £0.943 £0.917 £0.899 £0.863 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	MLP-8	256 kbit	SPI
EEPROM Auto 256Kb SPI bus EEPROM M95256-DRMN3TP/K STMicroelectronics 1: £1.15 168In Stock 7,500On Order	Mfr. Part No. M95256-DRMN3TP/K Mouser Part No 511-M95256-DRMN3TP/K	STMicroelectronics	EEPROM Auto 256Kb SPI bus EEPROM	Datasheet	168In Stock 7,500On Order	Cut Tape £1.15 £1.08 £1.05 £1.02 View Reel £0.788 £0.995 £0.969 £0.943 £0.934 £0.788 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256 Kbit Serial Bus EEPROM M95256-RDW6TP STMicroelectronics 1: £0.571 579In Stock 4,000Expected 30/08/2027	Mfr. Part No. M95256-RDW6TP Mouser Part No 511-M95256-RDW6TP	STMicroelectronics	EEPROM 256 Kbit Serial Bus EEPROM Learn More about STMicroelectronics stm standard products	Datasheet	579In Stock 4,000Expected 30/08/2027	Cut Tape £0.571 £0.533 £0.519 £0.508 View Reel £0.392 £0.497 £0.482 £0.471 £0.46 £0.392 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 256K 11MIL GRIND - 200NS AT28C256-20DM/883 Microchip Technology 1: £189.49 1In Stock	Mfr. Part No. AT28C256-20DM/883 Mouser Part No 556-A28C25620DM883	Microchip Technology	EEPROM 256K 11MIL GRIND - 200NS Learn More about Microchip Technology microchip at28c256 memory This product may require additional documentation to export from the United States.	Datasheet	1In Stock	£189.49 £182.39 Quote Quote	Min.: 1 Mult.: 1	EEPROM	Through Hole	CDIP-28	256 kbit	Parallel
EEPROM 256K FAST PROG SDP - 150NS AT28C256F-15LM/883 Microchip Technology 1: £187.20 25In Stock	Mfr. Part No. AT28C256F-15LM/883 Mouser Part No 556-A28C256F15LM883	Microchip Technology	EEPROM 256K FAST PROG SDP - 150NS Learn More about Microchip Technology microchip at28c256 memory This product may require additional documentation to export from the United States.	Datasheet	25In Stock	£187.20 £180.18 Quote Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	LCC-32	256 kbit	Parallel
SRAM 256K 32K X 8 1.7V SERIAL SRAM IND 23A256-I/SN Microchip Technology 1: £1.03 298In Stock	Mfr. Part No. 23A256-I/SN Mouser Part No 579-23A256-I/SN	Microchip Technology	SRAM 256K 32K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	298In Stock	£1.03 £0.995 £0.969	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	256 kbit	SPI
SRAM 256K 32K X 8 1.7V SERIAL SRAM IND 23A256-I/ST Microchip Technology 1: £1.07 184In Stock	Mfr. Part No. 23A256-I/ST Mouser Part No 579-23A256-I/ST	Microchip Technology	SRAM 256K 32K X 8 1.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	184In Stock	£1.07 £1.03 £0.995	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSSOP-8	256 kbit	SPI
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256-I/P Microchip Technology 1: £1.10 90In Stock	Mfr. Part No. 23K256-I/P Mouser Part No 579-23K256-I/P	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	90In Stock	£1.10 £1.05 £1.01	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-8	256 kbit	SPI
SRAM 256K 32K X 8 2.7V SERIAL SRAM IND 23K256T-I/SN Microchip Technology 1: £1.14 232In Stock 6,600Expected 21/12/2026	Mfr. Part No. 23K256T-I/SN Mouser Part No 579-23K256T-I/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM IND Learn More about Microchip Technology microchip sram	Datasheet	232In Stock 6,600Expected 21/12/2026	Cut Tape £1.14 Reel £0.969 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	SRAM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256K, 32Kx8, 1.8V SER EE, ExT 24AA256-E/SN Microchip Technology 1: £0.882 466In Stock	Mfr. Part No. 24AA256-E/SN Mouser Part No 579-24AA256-E/SN	Microchip Technology	EEPROM 256K, 32Kx8, 1.8V SER EE, ExT	Datasheet	466In Stock	£0.882 £0.841 £0.818	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 1.8V 24AA256-I/SM Microchip Technology 1: £0.834 359In Stock	Mfr. Part No. 24AA256-I/SM Mouser Part No 579-24AA256-I/SM	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	359In Stock	£0.834 £0.811 £0.78	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIJ-8	256 kbit	2-Wire, I2C
EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID 24AA256UID-I/P Microchip Technology 1: £0.995 313In Stock	Mfr. Part No. 24AA256UID-I/P Mouser Part No 579-24AA256UID-I/P	Microchip Technology	EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID	Datasheet	313In Stock	£0.995 £0.952 £0.908	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	256 kbit	2-Wire, I2C
EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID 24AA256UID-I/ST Microchip Technology 1: £0.917 17In Stock 3,100Expected 15/12/2026	Mfr. Part No. 24AA256UID-I/ST Mouser Part No 579-24AA256UID-I/ST	Microchip Technology	EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID	Datasheet	17In Stock 3,100Expected 15/12/2026	£0.917 £0.89 £0.849	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID 24AA256UIDT-I/ST Microchip Technology 1: £0.925 673In Stock 15,000Expected 15/12/2026	Mfr. Part No. 24AA256UIDT-I/ST Mouser Part No 579-24AA256UIDT-I/ST	Microchip Technology	EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID	Datasheet	673In Stock 15,000Expected 15/12/2026	Cut Tape £0.925 Reel £0.849 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V Hi Spd 24FC256-I/P Microchip Technology 1: £0.691 467In Stock	Mfr. Part No. 24FC256-I/P Mouser Part No 579-24FC256-I/P	Microchip Technology	EEPROM 32kx8 - 2.5V Hi Spd	Datasheet	467In Stock	£0.691 £0.688 £0.663 £0.656 £0.64	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V Hi Spd 24FC256-I/SM Microchip Technology 1: £0.63 581In Stock	Mfr. Part No. 24FC256-I/SM Mouser Part No 579-24FC256-I/SM	Microchip Technology	EEPROM 32kx8 - 2.5V Hi Spd	Datasheet	581In Stock	£0.63 £0.624 £0.60 £0.593 £0.576	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIJ-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V Hi Spd 24FC256-I/ST Microchip Technology 1: £0.548 2,463In Stock	Mfr. Part No. 24FC256-I/ST Mouser Part No 579-24FC256-I/ST	Microchip Technology	EEPROM 32kx8 - 2.5V Hi Spd	Datasheet	2,463In Stock	£0.548 £0.545 £0.528 £0.52 £0.504	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256-E/MF Microchip Technology 1: £1.13 200In Stock	Mfr. Part No. 24LC256-E/MF Mouser Part No 579-24LC256-E/MF	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	200In Stock	£1.13 £1.10 £1.05	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	DFN-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256-E/MS Microchip Technology 1: £0.917 555In Stock	Mfr. Part No. 24LC256-E/MS Mouser Part No 579-24LC256-E/MS	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	555In Stock	£0.917 £0.89 £0.849	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256-E/ST Microchip Technology 1: £0.917 631In Stock	Mfr. Part No. 24LC256-E/ST Mouser Part No 579-24LC256-E/ST	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	631In Stock	£0.917 £0.89 £0.849	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256-I/MS Microchip Technology 1: £0.849 1,143In Stock	Mfr. Part No. 24LC256-I/MS Mouser Part No 579-24LC256-I/MS	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	1,143In Stock	£0.849 £0.826 £0.803	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	MSOP-8	256 kbit	2-Wire, I2C
NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM CY14B256LA-SP25XI Infineon Technologies 1: £20.78 27In Stock	Mfr. Part No. CY14B256LA-SP25XI Mouser Part No 727-CY14B256LASP25XI	Infineon Technologies	NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	27In Stock	£20.78 £19.25 £18.64 £18.18 View £17.73 £17.14 £16.37 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SSOP-48	256 kbit