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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 (SGD) 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: $2.80 10,000Expected 6/5/2027	Mfr. Part No. AT25DF041B-MAHN-T Mouser Part No 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 6/5/2027	Cut Tape $2.80 $2.62 $2.54 $2.49 View Reel $2.11 $2.43 $2.37 $2.30 $2.24 $2.11 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: $0.952 7,526Expected 13/11/2026	Mfr. Part No. AT25FF041A-SSHN-T Mouser Part No 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 13/11/2026	Cut Tape $0.952 $0.889 $0.866 $0.849 View Reel $0.738 $0.831 $0.806 $0.787 $0.77 $0.738	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: $2.69 5,864Expected 6/1/2027	Mfr. Part No. AT25PE40-SHN-T Mouser Part No 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 6/1/2027	Cut Tape $2.69 $2.52 $2.45 $2.39 View Reel $2.03 $2.34 $2.26 $2.20 $2.16 $2.03 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: $1.24 16,905On Order	Mfr. Part No. AT25SF041B-MAHD-T Mouser Part No 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. No: AT25SF041B-MAHD-T Stock: 0 On Order: 6,905 Expected 25/2/2027 10,000 Expected 3/3/2028 Factory Lead Time: 26 Weeks	Cut Tape $1.24 $1.16 $1.13 $1.10 View Reel $0.936 $1.08 $1.05 $0.936	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: $1.90 600Expected 28/10/2026	Mfr. Part No. SST25WF040B-40E/SN Mouser Part No 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 28/10/2026	$1.90 $1.86 $1.78	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: $12.09 6,000On Order	Mfr. Part No. IS62WVS5128FBLL-20NLI-TR Mouser Part No 870-62WS5128FBLL2NIT	ISSI	SRAM 4Mb 512Kx8 20MHz Serial SRAM IT	Datasheet	6,000On Order On Order Ship Dates Mfr. No: IS62WVS5128FBLL-20NLI-TR Stock: 0 On Order: 3,000 Expected 23/11/2026 3,000 Expected 9/12/2026 Factory Lead Time: 26 Weeks	Cut Tape $12.09 $11.25 $10.91 $10.65 $10.39 Reel $10.39 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: $7.75 8,296On Order	Mfr. Part No. IS62WVS5128GBLL-45NLI Mouser Part No 870-62WS5128GBLL45NI	ISSI	SRAM 4Mb 512Kx8 45MHz Serial SRAM IT Learn More about ISSI asynchronous sram	Datasheet	8,296On Order On Order Ship Dates Mfr. No: IS62WVS5128GBLL-45NLI Stock: 0 On Order: 4,196 Expected 25/1/2027 4,100 TBD Factory Lead Time: 26 Weeks	$7.75 $7.22 $7.00 $6.84 $6.66	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: $2.18 21,279On Order	Mfr. Part No. IS25LP040E-JBLE Mouser Part No 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. No: IS25LP040E-JBLE Stock: 0 On Order: 2,559 Pending 2,790 Expected 23/11/2026 4,050 Expected 7/10/2027 11,880 Expected 11/10/2027 Factory Lead Time: 52 Weeks	$2.18 $1.85	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: $2.18 760On Order	Mfr. Part No. MX25U4035FM1I-T Mouser Part No 95-25U4035FM1IT	Macronix	NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil	Datasheet	760On Order	$2.18 $2.04 $1.99 $1.94 View $1.89 $1.84 $1.78 $1.74	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDF Everspin Technologies 1: $40.50 4,554On Order	Mfr. Part No. MR25H40CDF Mouser Part No 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. No: MR25H40CDF Stock: 0 On Order: 2,274 Expected 9/12/2026 2,280 Expected 13/1/2027 Factory Lead Time: 26 Weeks	$40.50 $37.51 $36.31 $35.41 View $34.53 $34.46 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDFR Everspin Technologies 1: $40.58 7,635On Order	Mfr. Part No. MR25H40CDFR Mouser Part No 936-MR25H40CDFR	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI Learn More about Everspin Technologies everspin mr25hxx spi serial mrams	Datasheet	7,635On Order On Order Ship Dates Mfr. No: MR25H40CDFR Stock: 0 On Order: 3,635 Expected 9/11/2026 4,000 Expected 6/1/2027 Factory Lead Time: 26 Weeks	Cut Tape $40.58 $37.60 $36.41 $35.52 View Reel $29.97 $34.64 $33.48 $31.97 $31.80 $29.97 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: $78.47 9,957On Order	Mfr. Part No. MR25H40MDF Mouser Part No 936-MR25H40MDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI	Datasheet	9,957On Order On Order Ship Dates Mfr. No: MR25H40MDF Stock: 0 On Order: 4,257 Expected 20/1/2027 5,700 Expected 24/3/2027 Factory Lead Time: 26 Weeks	$78.47 $72.54 $70.19 $68.45 View $66.72 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MRAM MR25H40VDF Everspin Technologies 1: $51.61 4,658On Order	Mfr. Part No. MR25H40VDF Mouser Part No 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. No: MR25H40VDF Stock: 0 On Order: 668 Expected 30/12/2026 1,710 Expected 13/1/2027 2,280 Expected 31/3/2027 Factory Lead Time: 26 Weeks	$51.61 $47.75 $46.23 $45.08 View $43.96 $42.49 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55TLI ISSI 1: $13.25 312On Order	Mfr. Part No. IS62WV5128BLL-55TLI Mouser Part No 87062WV5128BLL55TLI	ISSI	SRAM 4Mb 512Kx8 55ns Async SRAM Learn More about ISSI ultra low power sram	Datasheet	312On Order	$13.25 $12.32 $11.95 $11.67 $11.21	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: $14.74 243In Stock 405Expected 13/1/2027	Mfr. Part No. AS7C34096A-10TIN Mouser Part No 913-AS7C34096A-10TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	243In Stock 405Expected 13/1/2027	$14.74 $13.71 $13.29 $12.96 View $12.51 $12.19 $11.89 $11.59	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: $18.33 270Expected 9/11/2026	Mfr. Part No. AS7C34096A-12TIN Mouser Part No 913-AS7C34096A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 12ns, Industrial Temp - Tray	Datasheet	270Expected 9/11/2026	$18.33 $17.03 $16.50 $15.74 View $15.34 $15.12 $14.73	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: $14.74 270Expected 9/11/2026	Mfr. Part No. AS7C34098A-12TIN Mouser Part No 913-AS7C34098A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	270Expected 9/11/2026	$14.74 $13.71 $13.29 $12.96 View $12.51 $12.19 $11.89 $11.59	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: $18.52 227Expected 13/11/2026	Mfr. Part No. AS7C34098A-15TCN Mouser Part No 913-AS7C34098A-15TCN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Commercial Temp - Tray	Datasheet	227Expected 13/11/2026	$18.52 $17.20 $16.67 $15.90 View $15.50 $15.27 $14.89	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: $25.74 188Expected 17/12/2026	Mfr. Part No. AS7C4096A-20JIN Mouser Part No 913-AS7C4096A-20JIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 5V, 36pin SOJ, 20ns, Industrial Temp - Tube	Datasheet	188Expected 17/12/2026	$25.74 $23.87 $23.11 $22.02 View $18.86 $15.74	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: $3.14 468On Order New Product	Mfr. Part No. SST39VF040-70-4C-TU Mouser Part No 579-SST39VF040704CTU New Product	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	468On Order	$3.14 $3.05 $2.92	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: $1.63 4,389On Order	Mfr. Part No. IS25LP040E-JNLE Mouser Part No 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. No: IS25LP040E-JNLE Stock: 0 On Order: 89 Expected 18/11/2026 4,300 Expected 7/10/2027 Factory Lead Time: 52 Weeks	$1.63 $1.52 $1.48 $1.46 $1.41	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55T2LI ISSI 1: $12.63 552On Order	Mfr. Part No. IS62WV5128BLL-55T2LI Mouser Part No 87062WV5128BLL55T2LI	ISSI	SRAM 4Mb 512Kx8 55ns Async SRAM Learn More about ISSI ultra low power sram	Datasheet	552On Order	$12.63 $11.75 $11.40 $11.12 $10.93	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: $46.91 138Expected 2/12/2026	Mfr. Part No. MR20H40CDF Mouser Part No 936-MR20H40CDF	Everspin Technologies	MRAM 4Mb 3.3V 50Mhz 512K x 8 SPI Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	138Expected 2/12/2026	$46.91 $43.41 $42.02 $40.99 View $39.93 $38.60	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: $9.57 101Expected 3/11/2026	Mfr. Part No. IS62WV5128EBLL-45T2LI Mouser Part No 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 3/11/2026	$9.57 $8.92 $8.65 $8.45 $8.20	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM 4Mb 512Kx8 30MHz Serial SRAM IT IS62WVS5128GALL-30NLI ISSI 1: $9.72 198On Order	Mfr. Part No. IS62WVS5128GALL-30NLI Mouser Part No 870-62WS5128GALL30NI	ISSI	SRAM 4Mb 512Kx8 30MHz Serial SRAM IT	Datasheet	198On Order	$9.72 $8.36	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI