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4 Mbit Memory ICs

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Memory Size = 4 Mbit

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Product Type	Mounting Style	Package / Case	Memory Size	Interface Type
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHN-T Renesas / Dialog 1: ¥342.2 10,000Expected 5/6/2027	Mfr. Part # AT25DF041B-MAHN-T Mouser Part # 988-25DF041B-MAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	10,000Expected 5/6/2027	Cut Tape ¥342.2 ¥320.6 ¥310.6 ¥304 View Reel ¥257.5 ¥297.3 ¥289 ¥280.7 ¥274.1 ¥257.5 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-SSHN-T Renesas / Dialog 1: ¥116.3 7,526Expected 11/13/2026	Mfr. Part # AT25FF041A-SSHN-T Mouser Part # 988-AT25FF041-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	7,526Expected 11/13/2026	Cut Tape ¥116.3 ¥108.6 ¥105.8 ¥103.6 View Reel ¥90.2 ¥101.5 ¥98.5 ¥96.2 ¥94 ¥90.2	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SHN-T Renesas / Dialog 1: ¥328.9 5,864Expected 1/6/2027	Mfr. Part # AT25PE40-SHN-T Mouser Part # 988-AT25PE40-SHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	5,864Expected 1/6/2027	Cut Tape ¥328.9 ¥307.3 ¥299 ¥292.3 View Reel ¥247.5 ¥285.7 ¥275.7 ¥269.1 ¥264.1 ¥247.5 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MAHD-T Renesas / Dialog 1: ¥151.2 16,905On Order	Mfr. Part # AT25SF041B-MAHD-T Mouser Part # 988-AT25SF041BMAHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	16,905On Order On Order Ship Dates Mfr. #: AT25SF041B-MAHD-T Stock: 0 On Order: 6,905 Expected 2/25/2027 10,000 Expected 3/3/2028 Factory Lead-Time: 26 Weeks	Cut Tape ¥151.2 ¥141.7 ¥137.9 ¥134.9 View Reel ¥114.3 ¥132 ¥128.4 ¥114.3	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 1.8V, 4Mbit SPI Flash SST25WF040B-40E/SN Microchip Technology 1: ¥232.5 600Expected 10/28/2026	Mfr. Part # SST25WF040B-40E/SN Mouser Part # 579-ST25WF040B40E/SN	Microchip Technology	NOR Flash 1.8V, 4Mbit SPI Flash Learn More about Microchip Technology microchip sst25wf040b 80b spi serial flash memory	Datasheet	600Expected 10/28/2026	¥232.5 ¥227.6 ¥217.6	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 20MHz Serial SRAM IT IS62WVS5128FBLL-20NLI-TR ISSI 1: ¥1,476.6 6,000On Order	Mfr. Part # IS62WVS5128FBLL-20NLI-TR Mouser Part # 870-62WS5128FBLL2NIT	ISSI	SRAM 4Mb 512Kx8 20MHz Serial SRAM IT	Datasheet	6,000On Order On Order Ship Dates Mfr. #: IS62WVS5128FBLL-20NLI-TR Stock: 0 On Order: 3,000 Expected 11/23/2026 3,000 Expected 12/9/2026 Factory Lead-Time: 26 Weeks	Cut Tape ¥1,476.6 ¥1,373.6 ¥1,332.1 ¥1,300.6 ¥1,269 Reel ¥1,269 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI
SRAM 4Mb 512Kx8 45MHz Serial SRAM IT IS62WVS5128GBLL-45NLI ISSI 1: ¥946.8 7,796On Order	Mfr. Part # IS62WVS5128GBLL-45NLI Mouser Part # 870-62WS5128GBLL45NI	ISSI	SRAM 4Mb 512Kx8 45MHz Serial SRAM IT Learn More about ISSI asynchronous sram	Datasheet	7,796On Order On Order Ship Dates Mfr. #: IS62WVS5128GBLL-45NLI Stock: 0 On Order: 3,696 Expected 1/25/2027 4,100 TBD Factory Lead-Time: 26 Weeks	¥946.8 ¥882 ¥855.4 ¥835.5 ¥813.9	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI
NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev IS25LP040E-JBLE ISSI 1: ¥265.8 21,279On Order	Mfr. Part # IS25LP040E-JBLE Mouser Part # 870-IS25LP040E-JBLE	ISSI	NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev Learn More about ISSI is25 memory	Datasheet	21,279On Order On Order Ship Dates Mfr. #: IS25LP040E-JBLE Stock: 0 On Order: 2,559 Pending 2,790 Expected 11/23/2026 4,050 Expected 10/7/2027 11,880 Expected 10/11/2027 Factory Lead-Time: 52 Weeks	¥265.8 ¥225.9	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil MX25U4035FM1I-T Macronix 1: ¥265.8 760On Order	Mfr. Part # MX25U4035FM1I-T Mouser Part # 95-25U4035FM1IT	Macronix	NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil	Datasheet	760On Order	¥265.8 ¥249.2 ¥242.5 ¥237.5 View ¥230.9 ¥224.2 ¥217.6 ¥212.6	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDF Everspin Technologies 1: ¥4,946.5 4,554On Order	Mfr. Part # MR25H40CDF Mouser Part # 936-MR25H40CDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI Learn More about Everspin Technologies everspin mr25hxx spi serial mrams	Datasheet	4,554On Order On Order Ship Dates Mfr. #: MR25H40CDF Stock: 0 On Order: 2,274 Expected 12/9/2026 2,280 Expected 1/13/2027 Factory Lead-Time: 26 Weeks	¥4,946.5 ¥4,581 ¥4,434.9 ¥4,325.2 View ¥4,217.3 ¥4,209 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDFR Everspin Technologies 1: ¥4,956.4 6,435On Order	Mfr. Part # MR25H40CDFR Mouser Part # 936-MR25H40CDFR	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI Learn More about Everspin Technologies everspin mr25hxx spi serial mrams	Datasheet	6,435On Order On Order Ship Dates Mfr. #: MR25H40CDFR Stock: 0 On Order: 2,435 Expected 11/9/2026 4,000 Expected 1/6/2027 Factory Lead-Time: 26 Weeks	Cut Tape ¥4,956.4 ¥4,592.7 ¥4,446.5 ¥4,338.5 View Reel ¥3,660.8 ¥4,230.6 ¥4,089.4 ¥3,905 ¥3,883.4 ¥3,660.8 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40MDF Everspin Technologies 1: ¥9,584 9,934On Order	Mfr. Part # MR25H40MDF Mouser Part # 936-MR25H40MDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI	Datasheet	9,934On Order On Order Ship Dates Mfr. #: MR25H40MDF Stock: 0 On Order: 4,234 Expected 1/20/2027 5,700 Expected 3/24/2027 Factory Lead-Time: 26 Weeks	¥9,584 ¥8,859.8 ¥8,572.4 ¥8,359.8 View ¥8,148.9 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MRAM MR25H40VDF Everspin Technologies 1: ¥6,303.5 4,658On Order	Mfr. Part # MR25H40VDF Mouser Part # 936-MR25H40VDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI MRAM Learn More about Everspin Technologies everspinmram	Datasheet	4,658On Order On Order Ship Dates Mfr. #: MR25H40VDF Stock: 0 On Order: 668 Expected 12/30/2026 1,710 Expected 1/13/2027 2,280 Expected 3/31/2027 Factory Lead-Time: 26 Weeks	¥6,303.5 ¥5,831.8 ¥5,645.7 ¥5,506.2 View ¥5,368.4 ¥5,189 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55TLI ISSI 1: ¥1,617.8 312On Order	Mfr. Part # IS62WV5128BLL-55TLI Mouser Part # 87062WV5128BLL55TLI	ISSI	SRAM 4Mb 512Kx8 55ns Async SRAM Learn More about ISSI ultra low power sram	Datasheet	312On Order	¥1,617.8 ¥1,504.9 ¥1,460 ¥1,425.1 ¥1,368.7	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray AS7C34096A-10TIN Alliance Memory 1: ¥1,800.5 243In Stock 405Expected 1/13/2027	Mfr. Part # AS7C34096A-10TIN Mouser Part # 913-AS7C34096A-10TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	243In Stock 405Expected 1/13/2027	¥1,800.5 ¥1,674.3 ¥1,622.8 ¥1,582.9 View ¥1,528.1 ¥1,488.3 ¥1,451.7 ¥1,415.2	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 12ns, Industrial Temp - Tray AS7C34096A-12TIN Alliance Memory 1: ¥2,239 270In Stock	Mfr. Part # AS7C34096A-12TIN Mouser Part # 913-AS7C34096A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 12ns, Industrial Temp - Tray	Datasheet	270In Stock	¥2,239 ¥2,079.6 ¥2,014.8 ¥1,921.8 View ¥1,873.6 ¥1,847 ¥1,798.9	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray AS7C34098A-12TIN Alliance Memory 1: ¥1,800.5 270Expected 11/9/2026	Mfr. Part # AS7C34098A-12TIN Mouser Part # 913-AS7C34098A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	270Expected 11/9/2026	¥1,800.5 ¥1,674.3 ¥1,622.8 ¥1,582.9 View ¥1,528.1 ¥1,488.3 ¥1,451.7 ¥1,415.2	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Commercial Temp - Tray AS7C34098A-15TCN Alliance Memory 1: ¥2,262.3 227Expected 11/13/2026	Mfr. Part # AS7C34098A-15TCN Mouser Part # 913-AS7C34098A-15TCN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Commercial Temp - Tray	Datasheet	227Expected 11/13/2026	¥2,262.3 ¥2,101.2 ¥2,036.4 ¥1,941.7 View ¥1,893.5 ¥1,865.3 ¥1,818.8	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 512K x 8, 5V, 36pin SOJ, 20ns, Industrial Temp - Tube AS7C4096A-20JIN Alliance Memory 1: ¥3,144.3 188Expected 12/17/2026	Mfr. Part # AS7C4096A-20JIN Mouser Part # 913-AS7C4096A-20JIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 5V, 36pin SOJ, 20ns, Industrial Temp - Tube	Datasheet	188Expected 12/17/2026	¥3,144.3 ¥2,915.1 ¥2,822 ¥2,689.2 View ¥2,303.8 ¥1,921.8	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash Microchip Technology SST39VF040-70-4C-TU SST39VF040-70-4C-TU Microchip Technology 1: ¥383.7 468On Order New Product	Mfr. Part # SST39VF040-70-4C-TU Mouser Part # 579-SST39VF040704CTU New Product	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	468On Order	¥383.7 ¥372.1 ¥357.1	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TSOP-32	4 Mbit	Parallel
NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, new die rev IS25LP040E-JNLE ISSI 1: ¥199.3 4,389On Order	Mfr. Part # IS25LP040E-JNLE Mouser Part # 870-IS25LP040E-JNLE	ISSI	NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, new die rev Learn More about ISSI is25 memory	Datasheet	4,389On Order On Order Ship Dates Mfr. #: IS25LP040E-JNLE Stock: 0 On Order: 89 Expected 11/18/2026 4,300 Expected 10/7/2027 Factory Lead-Time: 52 Weeks	¥199.3 ¥186 ¥181 ¥177.7 ¥172.7	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55T2LI ISSI 1: ¥1,543.1 552On Order	Mfr. Part # IS62WV5128BLL-55T2LI Mouser Part # 87062WV5128BLL55T2LI	ISSI	SRAM 4Mb 512Kx8 55ns Async SRAM Learn More about ISSI ultra low power sram	Datasheet	552On Order	¥1,543.1 ¥1,435.1 ¥1,391.9 ¥1,358.7 ¥1,335.4	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
MRAM 4Mb 3.3V 50Mhz 512K x 8 SPI MR20H40CDF Everspin Technologies 1: ¥5,728.8 Non-Stocked Lead-Time 26 Weeks	Mfr. Part # MR20H40CDF Mouser Part # 936-MR20H40CDF	Everspin Technologies	MRAM 4Mb 3.3V 50Mhz 512K x 8 SPI Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	Non-Stocked Lead-Time 26 Weeks	¥5,728.8 ¥5,301.9 ¥5,132.5 ¥5,006.3 View ¥4,876.7 ¥4,713.9	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
SRAM 4Mb, Low Power/Power Saver,Async,512K x 8,45ns,2.2v 3.6v,32 Pin TSOP II, RoHS IS62WV5128EBLL-45T2LI ISSI 1: ¥1,169.3 101Expected 11/3/2026	Mfr. Part # IS62WV5128EBLL-45T2LI Mouser Part # 870-625128EBLL45T2LI	ISSI	SRAM 4Mb, Low Power/Power Saver,Async,512K x 8,45ns,2.2v 3.6v,32 Pin TSOP II, RoHS	Datasheet	101Expected 11/3/2026	¥1,169.3 ¥1,089.6 ¥1,056.4 ¥1,031.5 ¥1,001.6	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM 4Mb 512Kx8 30MHz Serial SRAM IT IS62WVS5128GALL-30NLI ISSI 1: ¥1,187.6 198On Order	Mfr. Part # IS62WVS5128GALL-30NLI Mouser Part # 870-62WS5128GALL30NI	ISSI	SRAM 4Mb 512Kx8 30MHz Serial SRAM IT	Datasheet	198On Order	¥1,187.6 ¥1,021.5	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI