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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
F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 tube MB85RS256TYPNF-G-BCE1 RAMXEED 1: $8.27 103In Stock 255Expected 2026/11/18	Mfr. Part No. MB85RS256TYPNF-G-BCE1 Mouser Part No 249-MB85S256TNFGBCE1	RAMXEED	F-RAM 256kbit FeRAM with SPI, 1.8-3.6V, 125C - SOP8 tube	Datasheet	103In Stock 255Expected 2026/11/18	$8.27 $7.69 $7.47 $7.29 View $7.11 $6.87 $6.70 $6.43	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOP-8	256 kbit	SPI
EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3 AT25256B-XHL-B Microchip Technology 1: $0.98 575In Stock 800Expected 2026/10/30	Mfr. Part No. AT25256B-XHL-B Mouser Part No 556-AT25256B-XHL-B	Microchip Technology	EEPROM 256Kbit; SPI Bus High Spd; Mode 0 & 3	Datasheet	575In Stock 800Expected 2026/10/30	$0.98 $0.948 $0.927 $0.906	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	3-Wire, SPI
EPROM 256k (32k x 8) OTP Atmel EPROM AT27BV256-70JU Microchip Technology 1: $3.83 54In Stock	Mfr. Part No. AT27BV256-70JU Mouser Part No 556-AT27BV25670JU	Microchip Technology	EPROM 256k (32k x 8) OTP Atmel EPROM	Datasheet	54In Stock	$3.83 $3.68 $3.58 $3.55	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 45ns AT27C256R-45PU Microchip Technology 1: $2.97 35In Stock 3,332On Order	Mfr. Part No. AT27C256R-45PU Mouser Part No 556-AT27C256R-45PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	35In Stock 3,332On Order On Order Ship Dates Mfr. No: AT27C256R-45PU Stock: 35 Can Dispatch Immediately On Order: 1,218 Expected 2026/10/27 2,114 Expected 2026/11/09 Factory Lead Time: 8 Weeks	$2.97 $2.85 $2.73	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 200NS, PLCC, IND TEMP, GREEN AT28BV256-20JU-T Microchip Technology 1: $12.84 48In Stock	Mfr. Part No. AT28BV256-20JU-T Mouser Part No 556-AT28BV256-20JU-T	Microchip Technology	EEPROM 200NS, PLCC, IND TEMP, GREEN	Datasheet	48In Stock	Cut Tape $12.84 Reel $11.75 Quote Quote	Min.: 1 Mult.: 1 : 750	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP AT28BV256-20JU Microchip Technology 1: $12.69 94In Stock	Mfr. Part No. AT28BV256-20JU Mouser Part No 556-AT28BV25620JU	Microchip Technology	EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP	Datasheet	94In Stock	$12.69 $12.22 $11.73	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP AT28BV256-20SU Microchip Technology 1: $12.32 59In Stock	Mfr. Part No. AT28BV256-20SU Mouser Part No 556-AT28BV25620SU	Microchip Technology	EEPROM 256K 2.7V - 3.6V SDP- 200NS IND TEMP	Datasheet	59In Stock	$12.32 $12.06 $11.82 $11.76 View $11.72 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K 32K x 8 150 ns 4.5V-5.5V AT28C256-15JU Microchip Technology 1: $12.14 71In Stock	Mfr. Part No. AT28C256-15JU Mouser Part No 556-AT28C25615JU	Microchip Technology	EEPROM 256K 32K x 8 150 ns 4.5V-5.5V Learn More about Microchip Technology microchip at28c256 memory	Datasheet	71In Stock	$12.14 $11.68 $11.23	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP AT28C256E-15JU Microchip Technology 1: $12.18 25In Stock 96Expected 2026/11/16	Mfr. Part No. AT28C256E-15JU Mouser Part No 556-AT28C256E15JU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP Learn More about Microchip Technology microchip at28c256 memory	Datasheet	25In Stock 96Expected 2026/11/16	$12.18 $11.93 $11.92 $11.54	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP AT28C256E-15SU Microchip Technology 1: $12.19 67In Stock	Mfr. Part No. AT28C256E-15SU Mouser Part No 556-AT28C256E15SU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP- 150NS IND TEMP Learn More about Microchip Technology microchip at28c256 memory	Datasheet	67In Stock	$12.19 $11.96 $11.62 $11.56 View $11.55 $11.54	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K FAST PROG SDP- 150NS IND TEMP AT28C256F-15JU Microchip Technology 1: $12.97 52In Stock	Mfr. Part No. AT28C256F-15JU Mouser Part No 556-AT28C256F15JU	Microchip Technology	EEPROM 256K FAST PROG SDP- 150NS IND TEMP Learn More about Microchip Technology microchip at28c256 memory	Datasheet	52In Stock	$12.97 $12.50 $11.99	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 5V SDP - 120NS IND TEMP AT28HC256-12JU Microchip Technology 1: $12.97 96In Stock	Mfr. Part No. AT28HC256-12JU Mouser Part No 556-AT28HC25612JU	Microchip Technology	EEPROM 256K 5V SDP - 120NS IND TEMP	Datasheet	96In Stock	$12.97 $12.50 $11.99	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 32K x 8 120 ns 4.5V-5.5V AT28HC256-12SU Microchip Technology 1: $13.26 102In Stock	Mfr. Part No. AT28HC256-12SU Mouser Part No 556-AT28HC25612SU	Microchip Technology	EEPROM 256K 32K x 8 120 ns 4.5V-5.5V	Datasheet	102In Stock	$13.26 $12.78 $12.28	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K 5V SDP - 90NS IND TEMP AT28HC256-90JU Microchip Technology 1: $14.64 44In Stock 96On Order	Mfr. Part No. AT28HC256-90JU Mouser Part No 556-AT28HC25690JU	Microchip Technology	EEPROM 256K 5V SDP - 90NS IND TEMP	Datasheet	44In Stock 96On Order	$14.64 $14.10 $13.54	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM Parallel EEPROM 5V-120NS, 883c, GR AT28HC256E-12JU Microchip Technology 1: $12.97 26In Stock 64Expected 2026/11/04	Mfr. Part No. AT28HC256E-12JU Mouser Part No 556-AT28HC256E-12JU	Microchip Technology	EEPROM Parallel EEPROM 5V-120NS, 883c, GR	Datasheet	26In Stock 64Expected 2026/11/04	$12.97 $12.47 $12.10 $11.99	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 HI-ENDURANCE SDP - 90NS IND TEMP AT28HC256E-90JU Microchip Technology 1: $12.22 51In Stock	Mfr. Part No. AT28HC256E-90JU Mouser Part No 556-AT28HC256E90JU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP	Datasheet	51In Stock	$12.22 $11.92 $11.77 $11.41 $11.32	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256-E/ST Microchip Technology 1: $1.51 225In Stock	Mfr. Part No. 23K256-E/ST Mouser Part No 579-23K256-E/ST	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	225In Stock	$1.51 $1.47 $1.38	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 256k 32KX8 1.8V SER EE IND 25AA256-I/SM Microchip Technology 1: $1.62 52In Stock 360Expected 2026/11/02	Mfr. Part No. 25AA256-I/SM Mouser Part No 579-25AA256-I/SM	Microchip Technology	EEPROM 256k 32KX8 1.8V SER EE IND	Datasheet	52In Stock 360Expected 2026/11/02	$1.62 $1.60 $1.56 $1.54 $1.51	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256-I/ST Microchip Technology 1: $1.65 284In Stock 300Expected 2026/11/05	Mfr. Part No. 25AA256-I/ST Mouser Part No 579-25AA256-I/ST	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	284In Stock 300Expected 2026/11/05	$1.65 $1.60 $1.52	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256T-I/MF Microchip Technology 1: $2.11 1,318In Stock	Mfr. Part No. 25AA256T-I/MF Mouser Part No 579-25AA256T-I/MF	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	1,318In Stock	Cut Tape $2.11 Reel $1.79 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	DFN-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256T-I/ST Microchip Technology 1: $1.80 389In Stock 5,000Expected 2026/10/26	Mfr. Part No. 25AA256T-I/ST Mouser Part No 579-25AA256T-I/ST	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	389In Stock 5,000Expected 2026/10/26	Cut Tape $1.80 Reel $1.52 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-E/P Microchip Technology 1: $1.85 36In Stock 240Expected 2026/11/06	Mfr. Part No. 25LC256-E/P Mouser Part No 579-25LC256-E/P	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	36In Stock 240Expected 2026/11/06	$1.85 $1.79 $1.73	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	256 kbit	SPI
EEPROM 32Kx8 2.5V 25LC256-E/SM Microchip Technology 1: $1.72 341In Stock	Mfr. Part No. 25LC256-E/SM Mouser Part No 579-25LC256-E/SM	Microchip Technology	EEPROM 32Kx8 2.5V	Datasheet	341In Stock	$1.72 $1.65 $1.60	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-E/SN Microchip Technology 1: $1.69 393In Stock 600Expected 2026/11/06	Mfr. Part No. 25LC256-E/SN Mouser Part No 579-25LC256-E/SN	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	393In Stock 600Expected 2026/11/06	$1.69 $1.62 $1.59	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI