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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 512Kb and 256Kb Ser M24256-BRMN6TP STMicroelectronics 1: $0.48 15,198On Order NRND	Mfr. Part No. M24256-BRMN6TP Mouser Part No 511-M24256-BRMN6TP NRND	STMicroelectronics	EEPROM 512Kb and 256Kb Ser Learn More about STMicroelectronics stm standard products	Datasheet	15,198On Order On Order Ship Dates Mfr. No: M24256-BRMN6TP Stock: 0 On Order: 5,198 Expected 2027/04/19 10,000 Expected 2027/07/16 Factory Lead Time: 36 Weeks	Cut Tape $0.48 $0.442 $0.431 $0.423 View Reel $0.369 $0.414 $0.402 $0.393 $0.384 $0.369 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
F-RAM 256kbit FeRAM with x8 parallel interface - TSOP28 tray MB85R256FPFCN-G-BNDE1 RAMXEED 1: $18.15 184Expected 2026/12/18	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 2026/12/18	$18.15 $16.83 $16.29 $15.90 View $15.50 $14.98 $14.61	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: $12.68 26Expected 2026/11/13	Mfr. Part No. AT28HC256E-90SU Mouser Part No 556-AT28HC256E90SU	Microchip Technology	EEPROM 256K HI-ENDURANCE SDP - 90NS IND TEMP	Datasheet	26Expected 2026/11/13	$12.68 $12.41 $12.29 $12.11 View $12.08 $12.04 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 32kx8 - 1.8V 24AA256-I/P Microchip Technology 1: $1.22 420On Order	Mfr. Part No. 24AA256-I/P Mouser Part No 579-24AA256-I/P	Microchip Technology	EEPROM 32kx8 - 1.8V	Datasheet	420On Order	$1.22 $1.19 $1.13	Min.: 1 Mult.: 1	EEPROM	Through Hole	PDIP-8	256 kbit	2-Wire, I2C
SRAM 256KB 3V SERIAL SRAM N25S830HAS22I onsemi 1: $1.91 197Expected 2026/12/18	Mfr. Part No. N25S830HAS22I Mouser Part No 863-N25S830HAS22I	onsemi	SRAM 256KB 3V SERIAL SRAM	Datasheet	197Expected 2026/12/18	$1.91 $1.79 $1.74 $1.70 View $1.65 $1.57 $1.54 $1.49 $1.43	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-Narrow-8	256 kbit	SPI
EEPROM 512Kb and 256Kb Ser M24256-BWDW6TP STMicroelectronics 1: $0.50 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 $0.50 $0.475 $0.462 $0.452 View Reel $0.281 $0.443 $0.43 $0.42 $0.411 $0.281 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: $0.47 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 $0.47 $0.44 $0.428 $0.42 View Reel $0.356 $0.411 $0.399 $0.39 $0.381 $0.356 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	256 kbit	2-Wire, I2C
SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 15ns, Commercial Temp - Tube AS7C256A-15JCN Alliance Memory 1: $9.61 400Expected 2026/12/18	Mfr. Part No. AS7C256A-15JCN Mouser Part No 913-AS7C256A-15JCN	Alliance Memory	SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 15ns, Commercial Temp - Tube	Datasheet	400Expected 2026/12/18	$9.61 $8.94 $8.66 $8.47 View $8.26 $7.80 $7.77 $7.49	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
SRAM LP SRAM, 256Kb, 32K x 8, 2.7 5.5V, 28pin 600 mil PDIP, 55ns, Industrial Temp AS6C62256-55PIN Alliance Memory 1: $14.61 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 Expected 2026/11/13 180 Expected 2026/11/16 Factory Lead Time: 20 Weeks	$14.61 $13.39 $13.05 $12.75 View $12.49 $12.10 $11.78	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-28	256 kbit	Parallel
MRAM 256Kb 3.3V 35ns 32Kx8 Parallel MRAM MR256A08BYS35 Everspin Technologies 1: $12.70 581Expected 2027/01/13	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 2027/01/13	$12.70 $11.80 $11.43 $11.16 View $10.83 $10.55	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: $10.27 233Expected 2027/01/21	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 2027/01/21	$10.27 $9.55 $9.26 $9.04 View $8.61 $8.40 $8.27 $8.07	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: $6.06 232Expected 2026/11/06	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	232Expected 2026/11/06	$6.06 $5.65 $5.47 $5.34 View $5.22 $5.05 $4.92 $4.80	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 15ns, Industrial Temp - Tube AS7C256A-15JIN Alliance Memory 1: $7.63 249Expected 2026/12/17	Mfr. Part No. AS7C256A-15JIN Mouser Part No 913-AS7C256A-15JIN	Alliance Memory	SRAM SRAM, 256K, 32K x 8, 5V, 28pin SOJ, 15ns, Industrial Temp - Tube	Datasheet	249Expected 2026/12/17	$7.63 $6.78 $6.47 $6.32 View $6.22 $4.85	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: $9.61 232Expected 2026/12/21	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 2026/12/21	$9.61 $8.94 $8.66 $8.47 View $8.26 $7.80 $7.77 $7.49	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-28	256 kbit	Parallel
EEPROM 150NS, PLCC, IND TEMP, GREEN AT28C256E-15JU-T Microchip Technology 750: $12.14 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 $12.14 Quote Quote	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: $11.85 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	$11.85 $11.83 $11.79 $11.71 Quote Quote	Min.: 81 Mult.: 27	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 256K 5V SDP - 90NS IND TEMP AT28HC256-90SU Microchip Technology 1: $15.20 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	$15.20 $14.63 $14.05	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: $12.08 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 $12.08	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: $11.49 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 $11.49 Quote Quote	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: $14.76 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	$14.76 $14.47 $14.34 $14.27 View $14.21 Quote	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	SOIC-28	256 kbit	Parallel
EEPROM 90NS SOIC IND GRN AT28HC256F-90SU-T Microchip Technology 1,000: $14.30 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 $14.30 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: $1.35 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 $1.35	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: $1.38 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 $1.38	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: $1.10 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 $1.10	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: $2.37 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	$2.37 $2.01	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	DFN-8	256 kbit	SPI