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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
EEPROM 256KBIT HIGH SPEED WRITE CYCLE BR25H256NUX-5ACTR ROHM Semiconductor 1: $1.00 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 $1.00 $0.938 $0.913 $0.894 View Reel $0.768 $0.874 $0.848 $0.828 $0.808 $0.768 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: $3.37 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 $3.37 $3.15 $3.05 $2.98 View Reel $2.61 $2.91 $2.82 $2.76 $2.69 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
NVRAM 256K (32Kx8) 70ns M48Z35Y-70PC1 STMicroelectronics 1: $35.97 1,210In Stock	Mfr. Part # M48Z35Y-70PC1 Mouser Part # 511-M48Z35Y70PC1	STMicroelectronics	NVRAM 256K (32Kx8) 70ns	Datasheet	1,210In Stock	$35.97 $33.19 $32.03 $31.33 View $30.57 $29.51 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: $0.927 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 $0.927	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: $1.18 16,585In 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	16,585In Stock	$1.18 $1.12 $1.09	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: $1.46 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 $1.46 Reel $1.35 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: $1.23 15,621In Stock	Mfr. Part # 24LC256T-I/MS Mouser Part # 579-24LC256T-I/MS	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	15,621In Stock	Cut Tape $1.23 Reel $1.07 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: $1.18 42,532In Stock	Mfr. Part # 24LC256T-I/SN Mouser Part # 579-24LC256T-I/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	42,532In Stock	Cut Tape $1.18 Reel $0.991 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: $0.76 186,892In Stock	Mfr. Part # CAT24C256WI-GT3 Mouser Part # 698-CAT24C256WI-GT3	onsemi	EEPROM 256kb I2C Serial CMOS EEPROM	Datasheet	186,892In Stock	Cut Tape $0.76 $0.724 $0.705 $0.678 View Reel $0.536 $0.663 $0.643 $0.628 $0.609 $0.536 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: $27.57 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	$27.57 $25.54 $24.73 $24.12 View $23.27 $22.84 $21.80 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: $9.33 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 $9.33 $9.11 $8.84 $8.63 View Reel $7.42 $8.42 $8.14 $7.94 $7.74 $7.42 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: $8.66 3,109In Stock 3,880Expected 9/2/2027	Mfr. Part # FM25V02A-G Mouser Part # 727-FM25V02A-G	Infineon Technologies	NVRAM NVRAM FRAM Memory Serial	Datasheet	3,109In Stock 3,880Expected 9/2/2027	$8.66 $8.09 $7.88 $7.64 View $7.48 $7.29 $7.01 $6.87 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SOIC-8	256 kbit	SPI
F-RAM NVRAM FRAM Memory Serial FM25V02A-GTR Infineon Technologies 1: $9.80 20,528In Stock	Mfr. Part # FM25V02A-GTR Mouser Part # 727-FM25V02A-GTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	20,528In Stock	Cut Tape $9.80 $9.11 $8.84 $8.63 View Reel $7.38 $8.42 $8.14 $7.94 $7.74 $7.38 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: $6.80 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 12/31/2026 12,500 Expected 1/28/2027 Factory Lead-Time: 26 Weeks	Cut Tape $6.80 $6.34 $6.15 $6.00 View Reel $5.32 $5.86 $5.67 $5.53 $5.39 $5.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C
F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 T&R MB85RS256TYPNF-G-BCERE1 RAMXEED 1: $8.26 491In 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	491In Stock 1,500Expected 2/5/2027	Cut Tape $8.26 $7.68 $7.45 $7.28 View Reel $6.43 $7.10 $6.87 $6.70 $6.43 $6.43 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: $9.54 2,663In 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	2,663In Stock	Cut Tape $9.54 $8.87 $8.61 $8.40 View Reel $7.42 $8.20 $7.94 $7.74 $7.43 $7.42 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: $0.96 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	$0.96 $0.959 $0.927 $0.906 $0.884	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: $0.97 12,835In Stock	Mfr. Part # AT25256B-SSHL-T Mouser Part # 556-AT25256B-SSHL-T	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	12,835In Stock	Cut Tape $0.97 $0.964 Reel $0.884 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: $2.77 620In Stock	Mfr. Part # AT27C256R-45JU Mouser Part # 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	$2.77 $2.67 $2.56	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45PU Microchip Technology 1: $2.96 1,138In Stock 2,114Expected 11/9/2026	Mfr. Part # AT27C256R-45PU Mouser Part # 556-AT27C256R-45PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	1,138In Stock 2,114Expected 11/9/2026	$2.96 $2.85 $2.73	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70PU Microchip Technology 1: $2.86 2,905In Stock 3,514Expected 1/25/2027	Mfr. Part # AT27C256R-70PU Mouser Part # 556-AT27C256R70PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	2,905In Stock 3,514Expected 1/25/2027	$2.86 $2.73 $2.62	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 200NS, SOIC, IND TEMP, GREEN AT28BV256-20SU-T Microchip Technology 1: $13.25 719In Stock	Mfr. Part # AT28BV256-20SU-T Mouser Part # 556-AT28BV256-20SU-T	Microchip Technology	EEPROM 200NS, SOIC, IND TEMP, GREEN	Datasheet	719In Stock	Cut Tape $13.25 Reel $12.21	Min.: 1 Mult.: 1 : 1,000	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K 32K x 8 150 ns 4.5V-5.5V AT28C256-15PU Microchip Technology 1: $12.38 1,188In Stock	Mfr. Part # AT28C256-15PU Mouser Part # 556-AT28C25615PU	Microchip Technology	EEPROM 256K 32K x 8 150 ns 4.5V-5.5V Learn More about Microchip Technology microchip at28c256 memory	Datasheet	1,188In Stock	$12.38 $11.92 $11.45	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 150NS, SOIC, IND TEMP, GREEN AT28C256E-15SU-T Microchip Technology 1: $13.13 486In Stock	Mfr. Part # AT28C256E-15SU-T Mouser Part # 556-AT28C256E-15SU-T	Microchip Technology	EEPROM 150NS, SOIC, IND TEMP, GREEN Learn More about Microchip Technology microchip at28c256 memory	Datasheet	486In Stock	Cut Tape $13.13 Reel $12.08	Min.: 1 Mult.: 1 : 1,000	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM Parallel EEPROM 5V, SDP-70NS, GR AT28HC256-70JU Microchip Technology 1: $15.34 366In Stock	Mfr. Part # AT28HC256-70JU Mouser Part # 556-AT28HC256-70JU	Microchip Technology	EEPROM Parallel EEPROM 5V, SDP-70NS, GR	Datasheet	366In Stock	$15.34 $14.77 $14.19	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel