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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 (GBP) 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-T Microchip Technology 1: £0.728 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 £0.728 £0.724 Reel £0.663 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: £1.96 620In Stock	Mfr. Part No. AT27C256R-45JU Mouser Part No 556-AT27C256R-45JU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 45ns	Datasheet	620In Stock	£1.96 £1.93 £1.92	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70JU Microchip Technology 1: £1.93 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	£1.93 £1.91 £1.90 £1.89 View £1.88 £1.87	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EPROM 256Kb (32Kx8) OTP 5V 70ns AT27C256R-70PU Microchip Technology 1: £2.01 3,427In Stock	Mfr. Part No. AT27C256R-70PU Mouser Part No 556-AT27C256R70PU	Microchip Technology	EPROM 256Kb (32Kx8) OTP 5V 70ns	Datasheet	3,427In Stock	£2.01 £1.96 £1.94 £1.93 £1.92	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 200NS, SOIC, IND TEMP, GREEN AT28BV256-20SU-T Microchip Technology 1: £9.95 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 £9.95 Reel £9.17	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: £9.30 788In Stock 952Expected 30/10/2026	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 30/10/2026	£9.30 £8.95 £8.60	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-28	256 kbit	Parallel
EEPROM 150NS, SOIC, IND TEMP, GREEN AT28C256E-15SU-T Microchip Technology 1: £9.86 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 £9.86 £9.09 £9.06 £9.03 View Reel £8.51 £8.99 £8.61 £8.51	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: £10.81 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	£10.81 £10.59 £10.58 £10.54 View £10.34 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K 70ns AT28HC256E-70JU Microchip Technology 1: £10.64 100In Stock	Mfr. Part No. AT28HC256E-70JU Mouser Part No 556-AT28HC256E-70JU	Microchip Technology	EEPROM 256K 70ns	Datasheet	100In Stock	£10.64 £10.43 £10.42 £10.15 View £10.11 £10.06 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: £1.27 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	£1.27 £1.21 £1.20	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 25AA256-I/SN Microchip Technology 1: £1.20 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	£1.20 £1.15 £1.12	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: £2.98 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 £2.98 Reel £1.20	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: £1.34 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 £1.34 Reel £1.13 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: £1.30 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 £1.30 Reel £1.12 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: £1.31 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	£1.31 £1.27 £1.21	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-I/SN Microchip Technology 1: £1.20 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	£1.20 £1.15 £1.12	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256-I/ST Microchip Technology 1: £1.24 890In Stock 2,100Expected 25/12/2026	Mfr. Part No. 25LC256-I/ST Mouser Part No 579-25LC256-I/ST	Microchip Technology	EEPROM 32kx8 - 2.5V	Datasheet	890In Stock 2,100Expected 25/12/2026	£1.24 £1.20 £1.14	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 2.5V 25LC256T-E/SN Microchip Technology 1: £1.41 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 £1.41 Reel £1.20 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: £1.45 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 £1.45 Reel £1.22 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: £1.34 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 £1.34 Reel £1.13 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: £1.35 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 £1.35 Reel £1.14 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: £1.24 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	£1.24 £1.20 £1.14	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TSSOP-8	256 kbit	SPI
EPROM 45NS, PLCC, IND TEMP, GREEN AT27C256R-45JU-T Microchip Technology 1: £2.15 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 £2.15 £1.99 £1.98 Reel £1.85	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: £18.70 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	£18.70 £17.33 £16.67 £16.26 View £15.85 £15.39 £15.03 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	SSOP-48	256 kbit
F-RAM NVRAM FRAM Memory Serial FM24V02A-G Infineon Technologies 1: £6.24 2,070In Stock 1,940Expected 18/03/2027	Mfr. Part No. FM24V02A-G Mouser Part No 727-FM24V02A-G	Infineon Technologies	F-RAM NVRAM FRAM Memory Serial	Datasheet	2,070In Stock 1,940Expected 18/03/2027	£6.24 £5.81 £5.63 £5.37 View £5.24 £5.17 £5.13 £5.02 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	256 kbit	I2C