.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 (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
F-RAM 256kbit FeRAM with x8 parallel interface - TSOP28 tray MB85R256FPFCN-G-BNDE1 RAMXEED 1: £13.63 184Expected 18/12/2026	Mfr. Part No. MB85R256FPFCN-G-BNDE1 Mouser Part No 249-85256FPFCNGBNDE1	RAMXEED	F-RAM 256kbit FeRAM with x8 parallel interface - TSOP28 tray Learn More about RAMXEED fujitsu fram	Datasheet	184Expected 18/12/2026	£13.63 £12.63 £12.23 £11.93 View £11.64 £11.24 £10.96	Min.: 1 Mult.: 1	FRAM	SMD/SMT	TSOP-28	256 kbit	Parallel
EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP AT28HC256E-90SU Microchip Technology 1: £9.52 26On Order	Mfr. Part No. AT28HC256E-90SU Mouser Part No 556-AT28HC256E90SU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP	Datasheet	26On Order	£9.52 £9.31 £9.23 £9.09 View £9.07 £9.04 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 32kx8 - 1.8V 24AA256-I/P Microchip Technology 1: £0.917 420On Order	Mfr. Part No. 24AA256-I/P Mouser Part No 579-24AA256-I/P	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	420On Order	£0.917 £0.89 £0.849	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	256 kbit	2-Wire, I2C
EEPROM 512Kb and 256Kb Ser M24256-BWDW6TP STMicroelectronics 1: £0.375 3,802On Order NRND	Mfr. Part No. M24256-BWDW6TP Mouser Part No 511-M24256-BWDW6TP NRND	STMicroelectronics	EEPROM 512Kb and 256Kb Ser Learn More about STMicroelectronics stm standard products	Datasheet	3,802On Order	Cut Tape £0.375 £0.356 £0.347 £0.34 View Reel £0.211 £0.333 £0.323 £0.315 £0.308 £0.211 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	256 kbit	2-Wire, I2C
EEPROM 256K (32Kx8) M24256-BWMN6TP STMicroelectronics 1: £0.368 4,700On Order NRND	Mfr. Part No. M24256-BWMN6TP Mouser Part No 511-M24256-BWMN6TP NRND	STMicroelectronics	EEPROM 256K (32Kx8) Learn More about STMicroelectronics stm standard products	Datasheet	4,700On Order	Cut Tape £0.368 £0.34 £0.331 £0.325 View Reel £0.261 £0.318 £0.308 £0.302 £0.295 £0.261 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
SRAM LP SRAM, 256Kb, 32K x 8, 2.7 5.5V, 28pin 600 mil PDIP, 55ns, Industrial Temp AS6C62256-55PIN Alliance Memory 1: £10.93 413On Order	Mfr. Part No. AS6C62256-55PIN Mouser Part No 913-AS6C62256-55PIN	Alliance Memory	SRAM LP SRAM, 256Kb, 32K x 8, 2.7 5.5V, 28pin 600 mil PDIP, 55ns, Industrial Temp	Datasheet	413On Order On Order Ship Dates Mfr. No: AS6C62256-55PIN Stock: 0 On Order: 233 Pending 180 Expected 18/02/2027 Factory Lead Time: 20 Weeks	£10.93 £10.01 £9.77 £9.53 View £9.35 £9.04 £8.82	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-28	256 kbit	Parallel
MRAM 256Kb 3.3V 35ns 32Kx8 Parallel MRAM MR256A08BYS35 Everspin Technologies 1: £9.53 581Expected 13/01/2027	Mfr. Part No. MR256A08BYS35 Mouser Part No 936-MR256A08BYS35	Everspin Technologies	MRAM 256Kb 3.3V 35ns 32Kx8 Parallel MRAM Learn More about Everspin Technologies everspin 256kb parallel mrams	Datasheet	581Expected 13/01/2027	£9.53 £8.86 £8.58 £8.38 View £8.13 £7.92	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	256 kbit	Parallel
SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 10ns, Industrial Temp - Tube AS7C256A-10JIN Alliance Memory 1: £7.71 233Expected 27/11/2026	Mfr. Part No. AS7C256A-10JIN Mouser Part No 913-AS7C256A-10JIN	Alliance Memory	SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 10ns, Industrial Temp - Tube	Datasheet	233Expected 27/11/2026	£7.71 £7.17 £6.95 £6.78 View £6.46 £6.30 £6.21 £6.06	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 12ns, Industrial Temp - Tube AS7C256A-12JIN Alliance Memory 1: £4.55 250Expected 06/11/2026	Mfr. Part No. AS7C256A-12JIN Mouser Part No 913-AS7C256A-12JIN	Alliance Memory	SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 12ns, Industrial Temp - Tube Learn More about Alliance Memory alliancefastsram	Datasheet	250Expected 06/11/2026	£4.55 £4.24 £4.10 £4.01 View £3.92 £3.79 £3.69 £3.61	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
SRAM SRAM, 256K, 32K x 8, 3.3V, 28pin SOJ, 12ns, Commercial Temp - Tube AS7C3256A-12JCN Alliance Memory 1: £7.21 232Expected 21/12/2026	Mfr. Part No. AS7C3256A-12JCN Mouser Part No 913-AS7C3256A-12JCN	Alliance Memory	SRAM SRAM, 256K, 32K x 8, 3.3V, 28pin SOJ, 12ns, Commercial Temp - Tube	Datasheet	232Expected 21/12/2026	£7.21 £6.71 £6.50 £6.36 View £6.20 £5.86 £5.83 £5.62	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
EEPROM 32K X 8 EEPROM CMOS HI SPD 32LD 150NS X28HC256JIZ-15T1 Renesas / Intersil 750: £34.53 2,250Factory Stock Available	Mfr. Part No. X28HC256JIZ-15T1 Mouser Part No 968-X28HC256JIZ-15T1	Renesas / Intersil	EEPROM 32K X 8 EEPROM CMOS HI SPD 32LD 150NS	Datasheet	2,250Factory Stock Available More Info Available	Reel £34.53	Min.: 750 Mult.: 750 : 750	EEPROM		PLCC-32	256 kbit	Parallel
EEPROM 150NS, PLCC, IND TEMP, GREEN AT28C256E-15JU-T Microchip Technology 750: £9.07 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28C256E-15JU-T Mouser Part No 556-AT28C256E-15JU-T	Microchip Technology	EEPROM 150NS, PLCC, IND TEMP, GREEN Learn More about Microchip Technology microchip at28c256 memory	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £9.07	Min.: 750 Mult.: 750 : 750	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K FAST PROG SDP- 150NS IND TEMP AT28C256F-15SU Microchip Technology 81: £9.09 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28C256F-15SU Mouser Part No 556-AT28C256F15SU	Microchip Technology	EEPROM 256K FAST PROG SDP- 150NS IND TEMP Learn More about Microchip Technology microchip at28c256 memory	Datasheet	Non-Stocked Lead-Time 8 Weeks	£9.09 £8.73	Min.: 81 Mult.: 27	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K 5V SDP - 90NS IND TEMP AT28HC256-90SU Microchip Technology 1: £11.41 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256-90SU Mouser Part No 556-AT28HC25690SU	Microchip Technology	EEPROM 256K 5V SDP - 90NS IND TEMP	Datasheet	Non-Stocked Lead-Time 8 Weeks	£11.41 £10.98 £10.55	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 120NS, SOIC, IND TEMP, GREEN AT28HC256E-12SU-T Microchip Technology 1,000: £9.07 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. AT28HC256E-12SU-T Mouser Part No 556-AT28HC256E12SUT	Microchip Technology	EEPROM 120NS, SOIC, IND TEMP, GREEN	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £9.07	Min.: 1,000 Mult.: 1,000 : 1,000	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 90NS PLCC IND GRN AT28HC256E-90JU-T Microchip Technology 750: £9.11 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256E-90JU-T Mouser Part No 556-AT28HC256E90JUT	Microchip Technology	EEPROM 90NS PLCC IND GRN	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £9.11	Min.: 750 Mult.: 750 : 750	EEPROM	SMD/SMT	PLCC-32	256 kbit	Parallel
EEPROM 256K FAST PROG SDP - 90NS IND TEMP AT28HC256F-90SU Microchip Technology 1: £11.80 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. AT28HC256F-90SU Mouser Part No 556-AT28HC256F90SU	Microchip Technology	EEPROM 256K FAST PROG SDP - 90NS IND TEMP	Datasheet	Non-Stocked Lead-Time 11 Weeks	£11.80 £11.38 £10.91	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 90NS SOIC IND GRN AT28HC256F-90SU-T Microchip Technology 1,000: £10.74 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. AT28HC256F-90SU-T Mouser Part No 556-AT28HC256F90SUT	Microchip Technology	EEPROM 90NS SOIC IND GRN	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £10.74 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256T-E/SN Microchip Technology 3,300: £1.01 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. 23K256T-E/SN Mouser Part No 579-23K256T-E/SN	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £1.01	Min.: 3,300 Mult.: 3,300 : 3,300	SRAM	SMD/SMT	SOIC-8	256 kbit	SPI
SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT 23K256T-E/ST Microchip Technology 2,500: £1.04 Non-Stocked Lead-Time 11 Weeks	Mfr. Part No. 23K256T-E/ST Mouser Part No 579-23K256T-E/ST	Microchip Technology	SRAM 256K 32K X 8 2.7V SERIAL SRAM EXT Learn More about Microchip Technology microchip sram	Datasheet	Non-Stocked Lead-Time 11 Weeks	Reel £1.04	Min.: 2,500 Mult.: 2,500 : 2,500	SRAM	SMD/SMT	TSSOP-8	256 kbit	SPI
EEPROM 32kx8 - 1.8V 24AA256T/SM Microchip Technology 2,100: £0.78 Non-Stocked Lead-Time 9 Weeks	Mfr. Part No. 24AA256T/SM Mouser Part No 579-24AA256T/SM	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	Non-Stocked Lead-Time 9 Weeks	Reel £0.78	Min.: 2,100 Mult.: 2,100 : 2,100	EEPROM	SMD/SMT	SOIJ-8	256 kbit	2-Wire, I2C
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256-E/MF Microchip Technology 1: £1.52 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. 25AA256-E/MF Mouser Part No 579-25AA256-E/MF	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	Non-Stocked Lead-Time 8 Weeks	£1.52 £1.47 £1.41	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	DFN-8	256 kbit	SPI
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256-E/SM Microchip Technology 1: £1.29 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 25AA256-E/SM Mouser Part No 579-25AA256-E/SM	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	Non-Stocked Lead-Time 10 Weeks	£1.29 £1.24 £1.20	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256T-E/MF Microchip Technology 3,300: £1.41 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. 25AA256T-E/MF Mouser Part No 579-25AA256T-E/MF	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel £1.41	Min.: 3,300 Mult.: 3,300 : 3,300	EEPROM	SMD/SMT	DFN-8	256 kbit	SPI
EEPROM 256k, 32K X 8, 1.8V SER EE EXT 25AA256T-E/SM Microchip Technology 2,100: £1.20 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 25AA256T-E/SM Mouser Part No 579-25AA256T-E/SM	Microchip Technology	EEPROM 256k, 32K X 8, 1.8V SER EE EXT	Datasheet	Non-Stocked Lead-Time 10 Weeks	Reel £1.20	Min.: 2,100 Mult.: 2,100 : 2,100	EEPROM	SMD/SMT	SOIJ-8	256 kbit	SPI