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8 bit 4 Mbit Memory ICs

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Data Bus Width = 8 bit Memory Size = 4 Mbit

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RoHS Compliant

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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	Organisation	Interface Type	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/NP Microchip Technology 1: $1.40 223In Stock 6,000Expected 2026/10/26	Mfr. Part No. SST25WF040BT-40I/NP Mouser Part No 579-25WF040BT-40I/NP	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	223In Stock 6,000Expected 2026/10/26	Cut Tape $1.40 Reel $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NVRAM 4096k Nonvolatile SRAM DS1250YP-70IND+ Analog Devices / Maxim Integrated 1: $236.10 55In Stock	Mfr. Part No. DS1250YP-70IND+ Mouser Part No 700-DS1250YP-70IND	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	55In Stock	$236.10 $219.75 $183.65	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	PowerCap Module-34	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tray
NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-DFN SST26VF040A-104I/MF Microchip Technology 1: $1.47 743In Stock	Mfr. Part No. SST26VF040A-104I/MF Mouser Part No 579-26VF040A-104I/MF	Microchip Technology	NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-DFN Learn More about Microchip Technology microchip 4mbit sst26vf040a nor flash	Datasheet	743In Stock	$1.47 $1.40 $1.37	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	WDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash AT45DB041E-SSHNHT-B Renesas / Dialog 1: $2.33 1,360In Stock	Mfr. Part No. AT45DB041E-SSHNHT-B Mouser Part No 988-45DB041ESSHNHTB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,360In Stock	$2.33 $2.17 $2.11 $2.07 View $1.99 $1.93 $1.90 $1.85 $1.44	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Tube
NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25XV041B-MAHV-T Renesas / Dialog 1: $1.99 4,570In Stock	Mfr. Part No. AT25XV041B-MAHV-T Mouser Part No 988-AT25XV041B-MAHVT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	4,570In Stock	Cut Tape $1.99 $1.92 $1.90 $1.77 View Reel $1.36 $1.73 $1.67 $1.63 $1.49 $1.36 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-SHN-T Renesas / Dialog 1: $0.82 2,715In Stock	Mfr. Part No. AT25FF041A-SHN-T Mouser Part No 724-AT25FF041A-SHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	2,715In Stock	Cut Tape $0.82 $0.768 $0.748 $0.733 View Reel $0.423 $0.716 $0.694 $0.678 $0.662 $0.423	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, 5x6 UDFN (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MHD-T Renesas / Dialog 1: $1.12 9,909In Stock	Mfr. Part No. AT25SF041B-MHD-T Mouser Part No 724-AT25SF041B-MHD-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, 5x6 UDFN (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	9,909In Stock	Cut Tape $1.12 $1.06 $1.03 $1.01 View Reel $0.693 $0.979 $0.949 $0.927 $0.904 $0.693 $0.693	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08ACMA35 Everspin Technologies 1: $43.81 535In Stock	Mfr. Part No. MR2A08ACMA35 Mouser Part No 936-MR2A08ACMA35	Everspin Technologies	MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	535In Stock	$43.81 $40.51 $39.19 $38.23 View $37.26 $33.83 $32.84	Min.: 1 Mult.: 1	MRAM	SMD/SMT	BGA-48	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tray
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08ACYS35 Everspin Technologies 1: $44.22 826In Stock	Mfr. Part No. MR2A08ACYS35 Mouser Part No 936-MR2A08ACYS35	Everspin Technologies	MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	826In Stock	$44.22 $40.88 $39.55 $38.57 View $33.29 $32.81 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tray
NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /T&R GD25LQ40CTIGR GigaDevice 1: $0.54 2,790In Stock NRND	Mfr. Part No. GD25LQ40CTIGR Mouser Part No 363-GD25LQ40CTIGR NRND	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	2,790In Stock	Cut Tape $0.54 $0.504 $0.49 $0.48 View Reel $0.418 $0.47 $0.456 $0.447 $0.435 $0.418	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape
MRAM Avalanche High Performance Serial P-SRAM 4Mb in SOIC8 package with QSPI - 54MHz interface, 3V, -40 C to 85 C AS3004204-0054X0ISAY Avalanche Technology 1: $18.49 352In Stock	Mfr. Part No. AS3004204-0054X0ISAY Mouser Part No 793-30042040054X0ISY	Avalanche Technology	MRAM Avalanche High Performance Serial P-SRAM 4Mb in SOIC8 package with QSPI - 54MHz interface, 3V, -40 C to 85 C Learn More about Avalanche Technology avalanche serial p sram memory	Datasheet	352In Stock	$18.49 $17.15 $16.62 $16.22 View $15.83 $15.31 $14.90 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	QSPI	- 40 C	+ 85 C	Tray
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Commercial SST25VF040B-50-4C-QAF-T Microchip Technology 1: $1.60 563In Stock	Mfr. Part No. SST25VF040B-50-4C-QAF-T Mouser Part No 804-25VF040B5CQAF-T	Microchip Technology	NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Commercial	Datasheet	563In Stock	Cut Tape $1.60 $1.55 Reel $1.50 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	WSON-8	4 Mbit	512 k x 8	SPI	0 C	+ 70 C	Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SSHN-B Renesas / Dialog 1: $1.83 787In Stock	Mfr. Part No. AT25PE40-SSHN-B Mouser Part No 988-AT25PE40-SSHN-B	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	787In Stock	$1.83 $1.72 $1.67 $1.64 View $1.57 $1.54 $1.49 $1.47 $1.13	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08AMYS35 Everspin Technologies 1: $62.86 232In Stock	Mfr. Part No. MR2A08AMYS35 Mouser Part No 936-MR2A08AMYS35	Everspin Technologies	MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	232In Stock	$62.86 $58.07 $56.18 $54.78 View $52.80 $49.78 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	4 Mbit	512 k x 8	Parallel	- 40 C	+ 125 C	Tray
NOR Flash 4Mb QSPI, 8-pin USON 2x3MM, RoHS, T&R, new die rev ISSI IS25LP040E-JYLE-TR IS25LP040E-JYLE-TR ISSI 1: $0.95 4,916In Stock	Mfr. Part No. IS25LP040E-JYLE-TR Mouser Part No 870-IS25LP040EJYLETR	ISSI	NOR Flash 4Mb QSPI, 8-pin USON 2x3MM, RoHS, T&R, new die rev Learn More about ISSI is25 memory	Datasheet	4,916In Stock	Cut Tape $0.95 $0.893 $0.869 $0.851 $0.846 Reel $0.846 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	512 k x 8	QPI, SPI	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
MRAM Avalanche High Performance Serial P-SRAM 4Mb in SOIC8 package with QSPI - 108MHz interface, 3V, -40 C to 105 C AS3004204-0108X0PSAY Avalanche Technology 1: $20.39 881In Stock	Mfr. Part No. AS3004204-0108X0PSAY Mouser Part No 793-30042040108X0PSY	Avalanche Technology	MRAM Avalanche High Performance Serial P-SRAM 4Mb in SOIC8 package with QSPI - 108MHz interface, 3V, -40 C to 105 C Learn More about Avalanche Technology avalanche serial p sram memory	Datasheet	881In Stock	$20.39 $18.91 $18.33 $17.89 View $17.46 $16.85 $16.43 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	QSPI	- 40 C	+ 105 C	Tray
NOR Flash 4M Flash SPI SST25PF040CT-40I/SN Microchip Technology 1: $1.09 22,149In Stock	Mfr. Part No. SST25PF040CT-40I/SN Mouser Part No 579-ST25PF040CT40ISN	Microchip Technology	NOR Flash 4M Flash SPI Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	22,149In Stock	Cut Tape $1.09 Reel $0.991 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE-T Microchip Technology 1: $3.06 680In Stock	Mfr. Part No. SST39SF040-55-4I-NHE-T Mouser Part No 579-SST39040554INHET	Microchip Technology	NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash	Datasheet	680In Stock	Cut Tape $3.06 Reel $2.81	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE-T Microchip Technology 1: $2.70 1,871In Stock	Mfr. Part No. SST39LF040-55-4C-NHE-T Mouser Part No 579-SST39LF040554CN	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	1,871In Stock	Cut Tape $2.70 Reel $2.48 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Reel, Cut Tape, MouseReel
NOR Flash 4M (512Kx8) 70ns 5.0V Commercial SST39SF040-70-4C-NHE-T Microchip Technology 1: $2.87 816In Stock	Mfr. Part No. SST39SF040-70-4C-NHE-T Mouser Part No 804-39SF0407CNHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 5.0V Commercial	Datasheet	816In Stock	Cut Tape $2.87 Reel $2.64	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Reel, Cut Tape
NOR Flash 512K X 8 70ns SST39SF040-70-4I-NHE Microchip Technology 1: $2.97 2,347In Stock 2,760Expected 2026/10/02	Mfr. Part No. SST39SF040-70-4I-NHE Mouser Part No 804-39SF0407INHE	Microchip Technology	NOR Flash 512K X 8 70ns	Datasheet	2,347In Stock 2,760Expected 2026/10/02	$2.97 $2.86 $2.73	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tube
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE Microchip Technology 1: $2.61 611In Stock	Mfr. Part No. SST39VF040-70-4C-NHE Mouser Part No 804-39VF0407CNHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	611In Stock	$2.61 $2.51 $2.41	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tube
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial SST39VF040-70-4I-NHE-T Microchip Technology 1: $2.71 785In Stock	Mfr. Part No. SST39VF040-70-4I-NHE-T Mouser Part No 804-39VF0407INHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial	Datasheet	785In Stock	Cut Tape $2.71 Reel $2.51 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVSSJQ Winbond 1: $1.54 1,227In Stock	Mfr. Part No. W25Q40RVSSJQ Mouser Part No 454-W25Q40RVSSJQ	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		1,227In Stock	$1.54	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Tube
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE-T Microchip Technology 1: $1.30 3,395In Stock	Mfr. Part No. SST25VF040B-50-4I-SAE-T Mouser Part No 579-25VF040B504ISAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	3,395In Stock	Cut Tape $1.30 $1.24 $1.21 $1.20 Reel $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel