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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; SPI Bus High Spd; Mode 0 & 3 AT25256B-SSHL-B Microchip Technology 1: $0.961 2,261In 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	2,261In Stock	$0.961 $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 13,797In 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	13,797In 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: $2.61 620In Stock	Mfr. Part No. AT27C256R-45JU Mouser Part No 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	$2.61 $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 2026/12/17	Mfr. Part No. AT27C256R-70JU Mouser Part No 556-AT27C256R70JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	1,527In Stock 2,464Expected 2026/12/17	$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: $2.67 3,437In Stock	Mfr. Part No. AT27C256R-70PU Mouser Part No 556-AT27C256R70PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	3,437In Stock	$2.67 $2.61 $2.58 $2.57 $2.56	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 200NS, SOIC, IND TEMP, GREEN AT28BV256-20SU-T Microchip Technology 1: $13.26 719In Stock	Mfr. Part No. AT28BV256-20SU-T Mouser Part No 556-AT28BV256-20SU-T	Microchip Technology	EEPROM 200NS, SOIC, IND TEMP, GREEN	Datasheet	719In Stock	Cut Tape $13.26 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: $12.39 788In Stock 952Expected 2026/10/30	Mfr. Part No. AT28C256-15PU Mouser Part No 556-AT28C25615PU	Microchip Technology	EEPROM 256K 32K x 8 150 ns 4.5V-5.5V Learn More about Microchip Technology microchip at28c256 memory	Datasheet	788In Stock 952Expected 2026/10/30	$12.39 $11.92 $11.46	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 556In Stock	Mfr. Part No. AT28C256E-15SU-T Mouser Part No 556-AT28C256E-15SU-T	Microchip Technology	EEPROM 150NS, SOIC, IND TEMP, GREEN Learn More about Microchip Technology microchip at28c256 memory	Datasheet	556In Stock	Cut Tape $13.13 $12.11 $12.07 $12.03 View Reel $11.34 $11.98 $11.47 $11.34	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: $14.40 366In Stock	Mfr. Part No. AT28HC256-70JU Mouser Part No 556-AT28HC256-70JU	Microchip Technology	EEPROM Parallel EEPROM 5V, SDP-70NS, GR	Datasheet	366In Stock	$14.40 $14.11 $14.10 $14.04 View $13.77 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 70ns AT28HC256E-70JU Microchip Technology 1: $14.18 100In Stock	Mfr. Part No. AT28HC256E-70JU Mouser Part No 556-AT28HC256E-70JU	Microchip Technology	EEPROM 256K 70ns	Datasheet	100In Stock	$14.18 $13.90 $13.89 $13.53 View $13.47 $13.40 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256-E/SN Microchip Technology 1: $1.69 3,327In Stock	Mfr. Part No. 25AA256-E/SN Mouser Part No 579-25AA256-E/SN	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	3,327In Stock	$1.69 $1.62 $1.59	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256-I/SN Microchip Technology 1: $1.60 4,797In Stock	Mfr. Part No. 25AA256-I/SN Mouser Part No 579-25AA256-I/SN	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	4,797In Stock	$1.60 $1.54 $1.49	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256T-E/SN Microchip Technology 1: $3.97 2,625In Stock	Mfr. Part No. 25AA256T-E/SN Mouser Part No 579-25AA256T-E/SN	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	2,625In Stock	Cut Tape $3.97 Reel $1.59	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256k 32KX8 1.8V SER EE IND 25AA256T-I/SM Microchip Technology 1: $1.78 3,961In Stock	Mfr. Part No. 25AA256T-I/SM Mouser Part No 579-25AA256T-I/SM	Microchip Technology	EEPROM 256k 32KX8 1.8V SER EE IND	Datasheet	3,961In Stock	Cut Tape $1.78 Reel $1.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256T-I/SN Microchip Technology 1: $1.73 1,328In Stock	Mfr. Part No. 25AA256T-I/SN Mouser Part No 579-25AA256T-I/SN	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	1,328In Stock	Cut Tape $1.73 Reel $1.49 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-E/ST Microchip Technology 1: $1.74 1,090In Stock	Mfr. Part No. 25LC256-E/ST Mouser Part No 579-25LC256-E/ST	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	1,090In Stock	$1.74 $1.69 $1.62	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-I/SN Microchip Technology 1: $1.60 5,333In Stock	Mfr. Part No. 25LC256-I/SN Mouser Part No 579-25LC256-I/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	5,333In Stock	$1.60 $1.54 $1.49	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-I/ST Microchip Technology 1: $1.65 890In Stock	Mfr. Part No. 25LC256-I/ST Mouser Part No 579-25LC256-I/ST	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	890In Stock	$1.65 $1.60 $1.52	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256T-E/SN Microchip Technology 1: $1.87 5,369In Stock	Mfr. Part No. 25LC256T-E/SN Mouser Part No 579-25LC256T-E/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	5,369In Stock	Cut Tape $1.87 Reel $1.59 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256K, 32K X 8, 2.5V SER EE 150C 25LC256T-H/SN Microchip Technology 1: $1.93 7,576In Stock	Mfr. Part No. 25LC256T-H/SN Mouser Part No 579-25LC256T-H/SN	Microchip Technology	EEPROM 256K, 32K X 8, 2.5V SER EE 150C This product may require additional documentation to export from the United States.	Datasheet	7,576In Stock	Cut Tape $1.93 Reel $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 256k 32KX8 2.5V SER EE IND 25LC256T-I/SM Microchip Technology 1: $1.78 1,219In Stock	Mfr. Part No. 25LC256T-I/SM Mouser Part No 579-25LC256T-I/SM	Microchip Technology	EEPROM 256k 32KX8 2.5V SER EE IND	Datasheet	1,219In Stock	Cut Tape $1.78 Reel $1.51 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256T-I/ST Microchip Technology 1: $1.80 6,676In Stock	Mfr. Part No. 25LC256T-I/ST Mouser Part No 579-25LC256T-I/ST	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	6,676In Stock	Cut Tape $1.80 Reel $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 256k 32KX8 2.5V SER EE IND 25LC256X-I/ST Microchip Technology 1: $1.65 1,256In Stock	Mfr. Part No. 25LC256X-I/ST Mouser Part No 579-25LC256X-I/ST	Microchip Technology	EEPROM 256k 32KX8 2.5V SER EE IND	Datasheet	1,256In Stock	$1.65 $1.60 $1.52	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EPROM 45NS, PLCC, IND TEMP, GREEN AT27C256R-45JU-T Microchip Technology 1: $2.86 1,002In Stock	Mfr. Part No. AT27C256R-45JU-T Mouser Part No 579-AT27C256R-45JU-T	Microchip Technology	EPROM 45NS, PLCC, IND TEMP, GREEN	Datasheet	1,002In Stock	Cut Tape $2.86 $2.65 $2.64 Reel $2.47	Min.: 1 Mult.: 1 : 750	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
NVRAM 256Kb 3V 45ns 32K x 8 nvSRAM CY14B256LA-SP45XI Infineon Technologies 1: $24.91 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	$24.91 $23.09 $22.21 $21.67 View $21.12 $20.50 $20.03 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SSOP-48	256 kbit