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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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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
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE Microchip Technology 1: $2.67 300In Stock	Mfr. Part No. SST39LF040-55-4C-NHE Mouser Part No 579-39LF0405CNHE	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	300In Stock	$2.67 $2.56 $2.48	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE Microchip Technology 1: $2.91 124In Stock	Mfr. Part No. SST39SF040-55-4C-NHE Mouser Part No 579-39SF0405CNHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	124In Stock	$2.91 $2.82 $2.70	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE Microchip Technology 1: $3.03 393In Stock	Mfr. Part No. SST39SF040-55-4I-NHE Mouser Part No 579-39SF0405INHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	393In Stock	$3.03 $2.91 $2.81	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE-T Microchip Technology 1: $3.06 450In 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	450In Stock	Cut Tape $3.06 Reel $2.81	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE Microchip Technology 1: $2.61 291In Stock 630Expected 09/11/2026	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	291In Stock 630Expected 09/11/2026	$2.61 $2.51 $2.41	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE-T Microchip Technology 1: $2.62 274In Stock	Mfr. Part No. SST39VF040-70-4C-NHE-T Mouser Part No 804-39VF0407CNHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	274In Stock	Cut Tape $2.62 Reel $2.41	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial SST39VF040-70-4I-NHE Microchip Technology 1: $2.70 496In Stock	Mfr. Part No. SST39VF040-70-4I-NHE Mouser Part No 804-39VF0407INHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial	Datasheet	496In Stock	$2.70 $2.61 $2.51	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C) GD25Q40ETIGR GigaDevice 1: $0.53 2,606In Stock	Mfr. Part No. GD25Q40ETIGR Mouser Part No 363-GD25Q40ETIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C)		2,606In Stock	Cut Tape $0.53 $0.503 $0.49 $0.48 View Reel $0.434 $0.47 $0.456 $0.446 $0.435 $0.434	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ TR Winbond 1: $2.08 21In Stock	Mfr. Part No. W25Q40RVZPJQ TR Mouser Part No 454-W25Q40RVZPJGTR	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		21In Stock	Cut Tape $2.08 Reel $2.08 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ Winbond 1: $1.95 21In Stock	Mfr. Part No. W25Q40RVZPJQ Mouser Part No 454-W25Q40RVZPJQ	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		21In Stock	$1.95	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE Microchip Technology 1: $1.22 577In Stock	Mfr. Part No. SST25VF040B-50-4I-S2AE Mouser Part No 579-25VF040B504IS2AE	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	577In Stock	$1.22 $1.19 $1.13	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE-T Microchip Technology 1: $1.25 977In Stock 2,100Expected 11/01/2027	Mfr. Part No. SST25VF040B-50-4I-S2AE-T Mouser Part No 579-25VF40B504IS2AET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	977In Stock 2,100Expected 11/01/2027	Cut Tape $1.25 $1.21 Reel $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040B-40I/SN Microchip Technology 1: $1.13 237In Stock	Mfr. Part No. SST25WF040B-40I/SN Mouser Part No 579-25WF040B-40I/SN	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	237In Stock	$1.13 $1.10 $1.07	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040C-40E/MF Microchip Technology 1: $1.92 226In Stock	Mfr. Part No. SST25PF040C-40E/MF Mouser Part No 579-SST25PF040C40EMF	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	226In Stock	$1.92 $1.84 $1.76	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz SST25VF040B-50-4C-SAF Microchip Technology 1: $1.20 854In Stock 2,500Expected 18/01/2027	Mfr. Part No. SST25VF040B-50-4C-SAF Mouser Part No 579-SST25VF040B504CS	Microchip Technology	NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz	Datasheet	854In Stock 2,500Expected 18/01/2027	$1.20 $1.16 $1.11	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC SST26WF040B-104I/SN Microchip Technology 1: $1.11 798In Stock	Mfr. Part No. SST26WF040B-104I/SN Mouser Part No 579-ST26WF040B104ISN	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC Learn More about Microchip Technology sst sst26 flash memory	Datasheet	798In Stock	$1.11 $1.08 $1.03	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, 5x6 UDFN (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MHB-T Renesas / Dialog 1: $1.09 212In Stock	Mfr. Part No. AT25SF041B-MHB-T Mouser Part No 724-AT25SF041B-MHB-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V 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	212In Stock	Cut Tape $1.09 $1.02 $0.993 $0.972 View Reel $0.857 $0.95 $0.922 $0.90 $0.878 $0.857 $0.857	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-MHNHR-T Renesas / Dialog 1: $2.43 1,118In Stock	Mfr. Part No. AT25XE041B-MHNHR-T Mouser Part No 724-AT25XE041BMHNHRT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	1,118In Stock	Cut Tape $2.43 $2.27 $2.20 $2.15 View Reel $1.89 $2.10 $2.04 $2.00 $1.96 $1.89 $1.89	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 512K X 8 14 us SST25VF040B-50-4C-QAF Microchip Technology 1: $1.55 384In Stock 2,940On Order	Mfr. Part No. SST25VF040B-50-4C-QAF Mouser Part No 804-25VF040B5CQAF	Microchip Technology	NOR Flash 512K X 8 14 us	Datasheet	384In Stock 2,940On Order	$1.55 $1.50 $1.44	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash 512K X 8 14 us SST25VF040B-50-4I-QAF Microchip Technology 1: $1.55 7In Stock	Mfr. Part No. SST25VF040B-50-4I-QAF Mouser Part No 804-25VF040B5IQAF	Microchip Technology	NOR Flash 512K X 8 14 us	Datasheet	7In Stock	$1.55 $1.50 $1.44	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-S2AF Microchip Technology 1: $1.22 524In Stock	Mfr. Part No. SST25VF040B-50-4I-S2AF Mouser Part No 804-25VF040B5IS2AF	Microchip Technology	NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial	Datasheet	524In Stock	$1.22 $1.19 $1.13	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-SAF Microchip Technology 1: $1.20 1,054In Stock	Mfr. Part No. SST25VF040B-50-4I-SAF Mouser Part No 804-25VF040B5ISAF	Microchip Technology	NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial	Datasheet	1,054In Stock	$1.20 $1.16 $1.11	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, T&R, new die rev IS25LP040E-JNLE-TR ISSI 1: $0.95 33,269In Stock 24,000On Order	Mfr. Part No. IS25LP040E-JNLE-TR Mouser Part No 870-25LP040JNLTR	ISSI	NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, T&R, new die rev Learn More about ISSI is25 memory	Datasheet	33,269In Stock 24,000On Order On Order Ship Dates Mfr. No: IS25LP040E-JNLE-TR Stock: 33,269 Can Dispatch Immediately On Order: 12,000 Expected 03/11/2026 12,000 Expected 23/12/2026 Factory Lead Time: 52 Weeks	Cut Tape $0.95 $0.893 $0.869 $0.851 $0.832 Reel $0.832 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.7V to 3.6V), -40C to 125C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHNHR-T Renesas / Dialog 1: $2.15 387In Stock	Mfr. Part No. AT25DF041B-MAHNHR-T Mouser Part No 988-25DF041B-MAHNHRT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.7V to 3.6V), -40C to 125C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	387In Stock	Cut Tape $2.15 $2.01 $1.95 $1.91 View Reel $1.49 $1.86 $1.81 $1.76 $1.72 $1.49 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, DFN 5x6 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MHN-T Renesas / Dialog 1: $2.15 12In Stock	Mfr. Part No. AT25DF041B-MHN-T Mouser Part No 988-AT25DF041B-MHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 5x6 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	12In Stock	Cut Tape $2.15 $2.01 $1.95 $1.91 View Reel $1.67 $1.87 $1.81 $1.77 $1.72 $1.67 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT		4 Mbit	SPI