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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	Interface Type
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDF Everspin Technologies 1: $29.78 3,714On 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	3,714On Order On Order Ship Dates Mfr. No: MR25H40CDF Stock: 0 On Order: 294 Expected 09/12/2026 2,280 Expected 13/01/2027 1,140 Expected 20/01/2027 Factory Lead Time: 26 Weeks	$29.78 $27.58 $26.70 $26.04 View $25.39 $25.34 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDFR Everspin Technologies 1: $29.84 6,435On 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	6,435On Order On Order Ship Dates Mfr. No: MR25H40CDFR Stock: 0 On Order: 2,435 Expected 06/01/2027 4,000 Expected 20/01/2027 Factory Lead Time: 26 Weeks	Cut Tape $29.84 $27.65 $26.77 $26.12 View Reel $22.04 $25.47 $24.62 $23.51 $23.38 $22.04 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: $60.79 9,934On Order	Mfr. Part No. MR25H40MDF Mouser Part No 936-MR25H40MDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI	Datasheet	9,934On Order On Order Ship Dates Mfr. No: MR25H40MDF Stock: 0 On Order: 4,234 Expected 20/01/2027 5,700 Expected 24/03/2027 Factory Lead Time: 26 Weeks	$60.79 $56.16 $54.34 $52.98 View $51.64 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MRAM MR25H40VDF Everspin Technologies 1: $37.95 4,358On 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	4,358On Order On Order Ship Dates Mfr. No: MR25H40VDF Stock: 0 On Order: 938 Expected 13/01/2027 1,140 Expected 20/01/2027 2,280 Expected 31/03/2027 Factory Lead Time: 26 Weeks	$37.95 $35.11 $33.99 $33.15 View $32.32 $31.24 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash Microchip Technology SST39VF040-70-4C-TU SST39VF040-70-4C-TU Microchip Technology 1: $2.31 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	$2.31 $2.24 $2.15	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: $1.20 4,739On 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	4,739On Order On Order Ship Dates Mfr. No: IS25LP040E-JNLE Stock: 0 On Order: 439 Expected 13/11/2026 4,300 Expected 07/10/2027 Factory Lead Time: 52 Weeks	$1.20 $1.12 $1.09 $1.07 $1.04	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
MRAM 4Mb 3.3V 50Mhz 512K x 8 SPI MR20H40CDF Everspin Technologies 1: $34.49 290Expected 19/05/2027	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	290Expected 19/05/2027	$34.49 $31.92 $30.90 $30.14 View $29.36 $28.38	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mb SPI Flash USB Firmware Memory USBF129T-I/SN Microchip Technology 3,300: $1.76 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. USBF129T-I/SN Mouser Part No 579-USBF129T-I/SN	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mb SPI Flash USB Firmware Memory Learn More about Microchip Technology microchip usbf129	Datasheet	Non-Stocked Lead-Time 12 Weeks	Reel $1.76	Min.: 3,300 Mult.: 3,300 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mbit 3.3V SOP8 150mil Industrial(-40 to +85) SUGGESTED ALT GD25Q40ETIGR GD25Q40CTIGR GigaDevice 3,000: $0.45 Non-Stocked Lead-Time 8 Weeks NRND	Mfr. Part No. GD25Q40CTIGR Mouser Part No 363-GD25Q40CTIGR NRND	GigaDevice	NOR Flash 4Mbit 3.3V SOP8 150mil Industrial(-40 to +85) SUGGESTED ALT GD25Q40ETIGR Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked Lead-Time 8 Weeks	Reel $0.45	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25D40CEIGR GigaDevice 3,000: $0.323 Non-Stocked	Mfr. Part No. GD25D40CEIGR Mouser Part No 363-GD25D40CEIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.323	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /3.3V /USON8 1.51.50.45mm /Industrial(-40? to +85?) /T&R GD25D40CKIGR GigaDevice 3,000: $0.354 Non-Stocked	Mfr. Part No. GD25D40CKIGR Mouser Part No 363-GD25D40CKIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /USON8 1.51.50.45mm /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.354	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash GD25D40CTEGR GigaDevice 1: $0.64 Non-Stocked	Mfr. Part No. GD25D40CTEGR Mouser Part No 363-GD25D40CTEGR	GigaDevice	NOR Flash		Non-Stocked	Cut Tape $0.64 $0.599 $0.584 $0.572 View Reel $0.385 $0.56 $0.543 $0.531 $0.518 $0.385	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /3.3V /SOP8 150mil /Industrial(-40? to +85?) /Tube GD25D40CTIG GigaDevice 20,000: $0.303 Non-Stocked	Mfr. Part No. GD25D40CTIG Mouser Part No 363-GD25D40CTIG	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /SOP8 150mil /Industrial(-40? to +85?) /Tube Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	$0.303	Min.: 20,000 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /3.3V /SOP8 150mil /Industrial(-40? to +85?) /T&R GD25D40CTIGR GigaDevice 3,000: $0.277 Non-Stocked	Mfr. Part No. GD25D40CTIGR Mouser Part No 363-GD25D40CTIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /SOP8 150mil /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.277	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25LD40CEIGR GigaDevice 3,000: $0.354 Non-Stocked	Mfr. Part No. GD25LD40CEIGR Mouser Part No 363-GD25LD40CEIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.354	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /TSSOP8 173mil /Industrial(-40? to +85?) /T&R GD25LD40COIGR GigaDevice 3,000: $0.323 Non-Stocked	Mfr. Part No. GD25LD40COIGR Mouser Part No 363-GD25LD40COIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /TSSOP8 173mil /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.323	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /Tube GD25LD40CTIG GigaDevice 20,000: $0.344 Non-Stocked	Mfr. Part No. GD25LD40CTIG Mouser Part No 363-GD25LD40CTIG	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /Tube Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	$0.344	Min.: 20,000 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /T&R GD25LD40CTIGR GigaDevice 3,000: $0.308 Non-Stocked	Mfr. Part No. GD25LD40CTIGR Mouser Part No 363-GD25LD40CTIGR	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	Non-Stocked	Reel $0.308	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /TSSOP8 173mil /Industrial(-40? to +85?) /T&R GD25LQ40COIGR GigaDevice 3,000: $0.438 Non-Stocked	Mfr. Part No. GD25LQ40COIGR Mouser Part No 363-GD25LQ40COIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /TSSOP8 173mil /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.438	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /USON8 440.45mm /Industrial(-40? to +85?) /T&R GD25LQ40CQIGR GigaDevice 3,000: $0.458 Non-Stocked	Mfr. Part No. GD25LQ40CQIGR Mouser Part No 363-GD25LQ40CQIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /USON8 440.45mm /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	Reel $0.458	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /Tube GD25LQ40CTIG GigaDevice 20,000: $0.324 Non-Stocked	Mfr. Part No. GD25LQ40CTIG Mouser Part No 363-GD25LQ40CTIG	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /SOP8 150mil /Industrial(-40? to +85?) /Tube Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	$0.324	Min.: 20,000 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash 1.8V USON8 320.45mm Industrial(-40C to +85C) GD25LQ40EEIGR GigaDevice 1: $0.83 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. GD25LQ40EEIGR Mouser Part No 363-GD25LQ40EEIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 1.8V USON8 320.45mm Industrial(-40C to +85C)		Non-Stocked Lead-Time 14 Weeks	Cut Tape $0.83 $0.781 $0.76 $0.744 View Reel $0.649 $0.728 $0.706 $0.69 $0.673 $0.649	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash 1.8V USON8 1.51.50.45mm Industrial(-40C to +85C) GD25LQ40EKIGR GigaDevice 3,000: $0.689 Non-Stocked Lead-Time 14 Weeks	Mfr. Part No. GD25LQ40EKIGR Mouser Part No 363-GD25LQ40EKIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 1.8V USON8 1.51.50.45mm Industrial(-40C to +85C)		Non-Stocked Lead-Time 14 Weeks	Reel $0.689	Min.: 3,000 Mult.: 3,000 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash 1.8V SOP8 150mil Industrial(-40C to +85C) GD25LQ40ETIGR GigaDevice 1: $0.73 Non-Stocked Lead-Time 14 Weeks New Product	Mfr. Part No. GD25LQ40ETIGR Mouser Part No 363-GD25LQ40ETIGR New Product	GigaDevice	NOR Flash 4Mbit NOR Flash 1.8V SOP8 150mil Industrial(-40C to +85C)	Datasheet	Non-Stocked Lead-Time 14 Weeks	Cut Tape $0.73 $0.686 $0.668 $0.654 View Reel $0.551 $0.64 $0.621 $0.607 $0.593 $0.551	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /3.3V /SOP8 208mil /Industrial(-40? to +85?) /Tube GD25Q40CSIG GigaDevice 9,500: $0.344 Non-Stocked	Mfr. Part No. GD25Q40CSIG Mouser Part No 363-GD25Q40CSIG	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /SOP8 208mil /Industrial(-40? to +85?) /Tube Learn More about GigaDevice gd25 spi nor flash	Datasheet	Non-Stocked	$0.344	Min.: 9,500 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI