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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Mounting Style	Package / Case	Memory Size	Interface Type
NVRAM 256k Nonvolatile SRAM DS1230Y-120+ Analog Devices / Maxim Integrated 1: $83.45 476In Stock	Mfr. Part # DS1230Y-120+ Mouser Part # 700-DS1230Y-120	Analog Devices / Maxim Integrated	NVRAM 256k Nonvolatile SRAM	Datasheet	476In Stock	$83.45 $61.49 $60.23 $58.85 $58.41	Min.: 1 Mult.: 1	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: $1.11 3,000In Stock	Mfr. Part # BR25G256FVM-5ATR Mouser Part # 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 $1.11 $1.04 $1.02 $0.993 View Reel $0.863 $0.971 $0.943 $0.92 $0.898 $0.863	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: $1.30 3,000In Stock	Mfr. Part # BR25H256FVM-5ACTR Mouser Part # 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 $1.30 $1.22 $1.19 $1.16 View Reel $1.02 $1.14 $1.10 $1.08 $1.05 $1.02	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: $1.30 4,931In Stock	Mfr. Part # BR25H256NUX-5ACTR Mouser Part # 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 $1.30 $1.22 $1.19 $1.16 View Reel $0.998 $1.14 $1.10 $1.08 $1.05 $0.998 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: $4.38 1,953In Stock	Mfr. Part # CAT25256XE-T2 Mouser Part # 863-CAT25256XE-T2	onsemi	EEPROM 256KB SPI SER CMOS EEPROM Learn More about onsemi cat25x spi serial eeproms	Datasheet	1,953In Stock	Cut Tape $4.38 $4.10 $3.97 $3.87 View Reel $3.39 $3.78 $3.67 $3.59 $3.50 $3.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
NVRAM 256K (32Kx8) 70ns M48Z35Y-70PC1 STMicroelectronics 1: $46.76 1,212In Stock	Mfr. Part # M48Z35Y-70PC1 Mouser Part # 511-M48Z35Y70PC1	STMicroelectronics	NVRAM 256K (32Kx8) 70ns	Datasheet	1,212In Stock	$46.76 $43.15 $41.64 $40.73 View $39.74 $38.36 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: $1.21 20,000In Stock	Mfr. Part # AT25256B-MAHL-T Mouser Part # 556-AT25256B-MAHL-T	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	20,000In Stock	Reel $1.21	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: $1.53 16,945In Stock	Mfr. Part # 24AA256UID-I/SN Mouser Part # 579-24AA256UID-I/SN	Microchip Technology	EEPROM 256K I2C EE EUI-48 EUI-64 Unique ID	Datasheet	16,945In Stock	$1.53 $1.46 $1.42	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: $4.24 3,075In Stock	Mfr. Part # 24FC256T-I/MF Mouser Part # 579-24FC256T-I/MF	Microchip Technology	EEPROM 256K 32KX8 2.5V HI- SP SER EE IND	Datasheet	3,075In Stock	Cut Tape $4.24 Reel $1.76 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	DFN-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256T-I/MS Microchip Technology 1: $1.59 15,724In Stock	Mfr. Part # 24LC256T-I/MS Mouser Part # 579-24LC256T-I/MS	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	15,724In Stock	Cut Tape $1.59 $1.57 Reel $1.38 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	MSOP-8	256 kbit	2-Wire, I2C
EEPROM 32kx8 - 2.5V 24LC256T-I/SN Microchip Technology 1: $1.53 43,138In Stock	Mfr. Part # 24LC256T-I/SN Mouser Part # 579-24LC256T-I/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	43,138In Stock	Cut Tape $1.53 $1.52 $1.51 $1.50 $1.48 Reel $1.33 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: $0.988 187,222In Stock	Mfr. Part # CAT24C256WI-GT3 Mouser Part # 698-CAT24C256WI-GT3	onsemi	EEPROM 256kb I2C Serial CMOS EEPROM	Datasheet	187,222In Stock	Cut Tape $0.988 $0.941 $0.917 $0.881 View Reel $0.697 $0.862 $0.836 $0.816 $0.792 $0.697 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM CY14B256LA-ZS25XI Infineon Technologies 1: $35.84 858In Stock	Mfr. Part # CY14B256LA-ZS25XI Mouser Part # 727-CY14B256LAZS25XI	Infineon Technologies	NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	858In Stock	$35.84 $33.20 $32.15 $31.36 View $30.25 $29.69 $28.34 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	TSOP-II-44	256 kbit	Parallel
F-RAM NVRAM FRAM Memory Serial FM25V02A-DGTR Infineon Technologies 1: $12.13 3,131In Stock 3,000Expected 7/15/2027	Mfr. Part # FM25V02A-DGTR Mouser Part # 727-FM25V02A-DGTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial Learn More about Infineon Technologies cypress serial fram	Datasheet	3,131In Stock 3,000Expected 7/15/2027	Cut Tape $12.13 $11.84 $11.49 $11.22 View Reel $9.65 $10.95 $10.58 $10.32 $10.06 $9.65 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	FRAM	SMD/SMT	DFN-8	256 kbit	SPI
NVRAM NVRAM FRAM Memory Serial FM25V02A-G Infineon Technologies 1: $11.26 3,119In Stock 3,880Expected 1/28/2027	Mfr. Part # FM25V02A-G Mouser Part # 727-FM25V02A-G	Infineon Technologies	NVRAM NVRAM FRAM Memory Serial	Datasheet	3,119In Stock 3,880Expected 1/28/2027	$11.26 $10.52 $10.24 $9.93 View $9.72 $9.48 $9.11 $8.93 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SOIC-8	256 kbit	SPI
F-RAM NVRAM FRAM Memory Serial FM25V02A-GTR Infineon Technologies 1: $12.74 21,074In Stock	Mfr. Part # FM25V02A-GTR Mouser Part # 727-FM25V02A-GTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	21,074In Stock	Cut Tape $12.74 $11.84 $11.49 $11.22 View Reel $9.59 $10.95 $10.58 $10.32 $10.06 $9.59 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: $8.84 4,850In Stock 17,500On Order	Mfr. Part # FM24W256-GTR Mouser Part # 877-FM24W256-GTR	Infineon Technologies	F-RAM IIC FRAM 256k 3-5V F-RAM Learn More about Infineon Technologies cypress ramtron fram	Datasheet	4,850In Stock 17,500On Order On Order Ship Dates Mfr. #: FM24W256-GTR Stock: 4,850 Can Ship Immediately On Order: 5,000 Expected 12/17/2026 12,500 Expected 1/28/2027 Factory Lead-Time: 26 Weeks	Cut Tape $8.84 $8.24 $8.00 $7.80 View Reel $6.92 $7.62 $7.37 $7.19 $7.01 $6.92 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: $9.70 4,260In Stock 2,500On Order	Mfr. Part # FM25W256-GTR Mouser Part # 877-FM25W256-GTR	Infineon Technologies	F-RAM SPI FRAM 256k 3-5V Learn More about Infineon Technologies cypress ramtron fram	Datasheet	4,260In Stock 2,500On Order	Cut Tape $9.70 $9.04 $8.72 $8.55 View Reel $6.98 $8.33 $7.88 $7.70 $6.98 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	SPI
F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 T&R MB85RS256TYPNF-G-BCERE1 RAMXEED 1: $10.74 505In Stock 1,500Expected 2/5/2027	Mfr. Part # MB85RS256TYPNF-G-BCERE1 Mouser Part # 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 2/5/2027	Cut Tape $10.74 $9.98 $9.69 $9.46 View Reel $8.36 $9.23 $8.93 $8.71 $8.36 $8.36 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: $12.40 2,667In Stock	Mfr. Part # MB85RS256TYPNF-GS-BCERE1 Mouser Part # 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 $12.40 $11.53 $11.19 $10.92 View Reel $9.65 $10.66 $10.32 $10.06 $9.66 $9.65 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: $1.17 2,158In Stock	Mfr. Part # AT25256B-SSHL-B Mouser Part # 556-AT25256B-SSHL-B	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	2,158In Stock	$1.17 $1.15 $1.14 $1.13 $1.12	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-Narrow-8	256 kbit	3-Wire, SPI
EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3 AT25256B-SSHL-T Microchip Technology 1: $1.25 13,167In Stock	Mfr. Part # AT25256B-SSHL-T Mouser Part # 556-AT25256B-SSHL-T	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	13,167In Stock	Cut Tape $1.25 $1.24 $1.23 $1.16 View Reel $1.09 $1.15 $1.13 $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	SOIC-Narrow-8	256 kbit	3-Wire, SPI
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45JU Microchip Technology 1: $3.38 620In Stock	Mfr. Part # AT27C256R-45JU Mouser Part # 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	$3.38 $3.34 $3.33	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45PU Microchip Technology 1: $3.85 1,134In Stock 2,116On Order	Mfr. Part # AT27C256R-45PU Mouser Part # 556-AT27C256R-45PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	1,134In Stock 2,116On Order On Order Ship Dates Mfr. #: AT27C256R-45PU Stock: 1,134 Can Ship Immediately On Order: 2 Expected 11/5/2026 2,114 Expected 11/9/2026 Factory Lead-Time: 8 Weeks	$3.85 $3.71 $3.55	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70JU Microchip Technology 1: $3.34 1,011In Stock 2,464Expected 11/16/2026	Mfr. Part # AT27C256R-70JU Mouser Part # 556-AT27C256R70JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	1,011In Stock 2,464Expected 11/16/2026	$3.34 $3.32 $3.30 $3.26 View $3.25 $3.24	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel