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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 (CLP) 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: $2.347 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 $2.347 $2.199 $2.130 $2.085 View Reel $1.766 $2.039 $1.982 $1.925 $1.880 $1.766 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: $797 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 $797 $745 $726 $711 View Reel $619 $696 $676 $660 $645 $619	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: $2.256 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 $2.256 $2.108 $2.051 $2.005 View Reel $1.698 $1.960 $1.891 $1.846 $1.811 $1.698 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: $1.037 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 $1.037 $972 $946 $925 View Reel $784 $906 $881 $784	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: $1.595 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	$1.595 $1.561 $1.492	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: $10.128 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 $10.128 $9.422 $9.137 $8.921 $8.704 Reel $8.704 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: $6.494 8.296On Order	Mfr. Part # IS62WVS5128GBLL-45NLI Mouser Part # 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. #: IS62WVS5128GBLL-45NLI Stock: 0 On Order: 4.196 Expected 1/25/2027 4.100 TBD Factory Lead-Time: 26 Weeks	$6.494 $6.050 $5.867 $5.731 $5.582	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: $1.823 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	$1.823 $1.549	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: $1.823 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	$1.823 $1.709 $1.663 $1.629 View $1.584 $1.538 $1.492 $1.458	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDF Everspin Technologies 1: $33.928 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	$33.928 $31.421 $30.419 $29.667 View $28.926 $28.869 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDFR Everspin Technologies 1: $33.996 7.635On 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	7.635On Order On Order Ship Dates Mfr. #: MR25H40CDFR Stock: 0 On Order: 3.635 Expected 11/9/2026 4.000 Expected 1/6/2027 Factory Lead-Time: 26 Weeks	Cut Tape $33.996 $31.501 $30.498 $29.758 View Reel $25.110 $29.017 $28.049 $26.784 $26.636 $25.110 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: $65.736 9.957On Order	Mfr. Part # MR25H40MDF Mouser Part # 936-MR25H40MDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI	Datasheet	9.957On Order On Order Ship Dates Mfr. #: MR25H40MDF Stock: 0 On Order: 4.257 Expected 1/20/2027 5.700 Expected 3/24/2027 Factory Lead-Time: 26 Weeks	$65.736 $60.769 $58.798 $57.340 View $55.893 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MRAM MR25H40VDF Everspin Technologies 1: $43.236 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	$43.236 $40.000 $38.724 $37.767 View $36.821 $35.591 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55TLI ISSI 1: $11.097 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	$11.097 $10.322 $10.014 $9.775 $9.388	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: $12.350 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	$12.350 $11.484 $11.131 $10.857 View $10.481 $10.208 $9.957 $9.707	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: $15.357 270Expected 11/9/2026	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	270Expected 11/9/2026	$15.357 $14.264 $13.819 $13.181 View $12.851 $12.669 $12.338	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: $12.350 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	$12.350 $11.484 $11.131 $10.857 View $10.481 $10.208 $9.957 $9.707	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: $15.517 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	$15.517 $14.412 $13.968 $13.318 View $12.988 $12.794 $12.475	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: $21.566 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	$21.566 $19.994 $19.356 $18.445 View $15.802 $13.181	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: $2.632 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	$2.632 $2.552 $2.449	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: $1.367 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	$1.367 $1.276 $1.242 $1.219 $1.185	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55T2LI ISSI 1: $10.584 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	$10.584 $9.843 $9.547 $9.319 $9.160	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: $39.294 138Expected 12/2/2026	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	138Expected 12/2/2026	$39.294 $36.366 $35.204 $34.338 View $33.449 $32.333	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: $8.021 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	$8.021 $7.474 $7.246 $7.075 $6.870	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM 4Mb 512Kx8 30MHz Serial SRAM IT IS62WVS5128GALL-30NLI ISSI 1: $8.146 198On Order	Mfr. Part # IS62WVS5128GALL-30NLI Mouser Part # 870-62WS5128GALL30NI	ISSI	SRAM 4Mb 512Kx8 30MHz Serial SRAM IT	Datasheet	198On Order	$8.146 $7.007	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI