.hide-partial { max-height: none; } .show-more { display: none; }

256 kbit Memory ICs

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Memory ICs

List Images

Results: 593

Applied Filters:

Memory Size = 256 kbit

Manufacturer

Product

Product Type

Mounting Style

Package/Case

Interface Type

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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: $64.19 477In Stock	Mfr. Part No. DS1230Y-120+ Mouser Part No 700-DS1230Y-120	Analog Devices / Maxim Integrated	NVRAM 256k Nonvolatile SRAM	Datasheet	477In Stock	$64.19 $47.30 $46.33 $45.27 $44.93	Min.: 1 Mult.: 1 Max.: 382	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: $0.85 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 $0.85 $0.802 $0.781 $0.764 View Reel $0.664 $0.747 $0.725 $0.708 $0.691 $0.664	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: $1.00 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 $1.00 $0.938 $0.913 $0.894 View Reel $0.787 $0.874 $0.848 $0.828 $0.808 $0.787	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: $1.00 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 $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: $3.35 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 $3.35 $3.14 $3.04 $2.97 View Reel $2.61 $2.90 $2.81 $2.77 $2.70 $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: $35.69 1,245In Stock	Mfr. Part No. M48Z35Y-70PC1 Mouser Part No 511-M48Z35Y70PC1	STMicroelectronics	NVRAM 256K (32Kx8) 70ns	Datasheet	1,245In Stock	$35.69 $32.91 $31.76 $31.05 View $30.29 $29.23 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 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 $0.927	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 17,557In 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	17,557In 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 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 $1.46 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/SN Microchip Technology 1: $1.18 20,458In 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	20,458In Stock 23,100Expected 30/10/2026	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: $0.77 188,969In Stock	Mfr. Part No. CAT24C256WI-GT3 Mouser Part No 698-CAT24C256WI-GT3	onsemi	EEPROM 256kb I2C Serial CMOS EEPROM	Datasheet	188,969In Stock	Cut Tape $0.77 $0.724 $0.704 $0.689 View Reel $0.601 $0.674 $0.654 $0.639 $0.624 $0.601 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: $1.10 24,426In 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	24,426In Stock	Cut Tape $1.10 $1.03 $1.01 $0.979 View Reel $0.863 $0.958 $0.929 $0.907 $0.885 $0.863 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	3-Wire, SPI
NVRAM 256Kb 3V 25ns 32K x 8 nvSRAM CY14B256LA-ZS25XI Infineon Technologies 1: $27.67 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	$27.67 $25.64 $24.82 $24.22 View $23.62 $22.83 $21.80 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	TSOP-II-44	256 kbit	Parallel
F-RAM NVRAM FRAM Memory Serial FM25V02A-GTR Infineon Technologies 1: $8.75 26,585In Stock	Mfr. Part No. FM25V02A-GTR Mouser Part No 727-FM25V02A-GTR	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	26,585In Stock	Cut Tape $8.75 $8.14 $7.89 $7.71 View Reel $6.67 $7.52 $7.28 $7.09 $6.91 $6.67 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM LOW-SATURATION VOLTAGE CAT24C256HU4IGT3 onsemi 1: $0.67 43,807In Stock 27,000Expected 20/08/2027	Mfr. Part No. CAT24C256HU4IGT3 Mouser Part No 863-CAT24C256HU4IGT3	onsemi	EEPROM LOW-SATURATION VOLTAGE	Datasheet	43,807In Stock 27,000Expected 20/08/2027	Cut Tape $0.67 $0.639 $0.622 $0.609 View Reel $0.531 $0.596 $0.578 $0.565 $0.552 $0.531 MouseReel Available	Min.: 1 Mult.: 1 Max.: 3,000 : 3,000	EEPROM	SMD/SMT	UDFN-8	256 kbit	2-Wire, I2C
F-RAM IIC FRAM 256k 3-5V F-RAM FM24W256-GTR Infineon Technologies 1: $6.83 4,874In 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	4,874In Stock 17,500On Order On Order Ship Dates Mfr. No: FM24W256-GTR Stock: 4,874 Can Dispatch Immediately On Order: 5,000 Expected 24/12/2026 12,500 Expected 28/01/2027 Factory Lead Time: 26 Weeks	Cut Tape $6.83 $6.36 $6.17 $6.03 View Reel $5.28 $5.88 $5.69 $5.55 $5.41 $5.28 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: $7.48 4,468In 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	4,468In Stock 2,500On Order	Cut Tape $7.48 $6.96 $6.75 $6.59 View Reel $5.71 $6.44 $6.23 $6.07 $5.92 $5.71 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	FRAM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256-Kbit serial I2C Bus EEPROM M24256-DFMC6TG STMicroelectronics 1: $0.58 48,148In 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	48,148In Stock	Cut Tape $0.58 $0.548 $0.533 $0.523 View Reel $0.467 $0.512 $0.498 $0.487 $0.474 $0.467 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: $8.26 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 $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 2,667In 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 $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 2,250In 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	2,250In 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 13,747In Stock	Mfr. Part No. AT25256B-SSHL-T Mouser Part No 556-AT25256B-SSHL-T	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	13,747In 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: $2.60 620In Stock	Mfr. Part No. AT27C256R-45JU Mouser Part No 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	$2.60 $2.57 $2.56	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70JU Microchip Technology 1: $2.57 1,527In Stock 2,464Expected 17/12/2026	Mfr. Part No. AT27C256R-70JU Mouser Part No 556-AT27C256R70JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	1,527In Stock 2,464Expected 17/12/2026	$2.57 $2.55 $2.54 $2.51 View $2.50 $2.49	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70PU Microchip Technology 1: $2.68 3,228In Stock	Mfr. Part No. AT27C256R-70PU Mouser Part No 556-AT27C256R70PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	3,228In Stock	$2.68 $2.60 $2.58 $2.57 $2.56	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel