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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	Organisation	Interface Type	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
NOR Flash 4M (512Kx8) 70ns 5.0V Industrial SST39SF040-70-4I-NHE-T Microchip Technology 1: $2.97 932In Stock	Mfr. Part No. SST39SF040-70-4I-NHE-T Mouser Part No 804-39SF0407INHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 5.0V Industrial	Datasheet	932In Stock	Cut Tape $2.97 Reel $2.73 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 512K X 8 70ns SST39SF040-70-4C-NHE Microchip Technology 1: $2.86 2,421In Stock 1,380Expected 2026/10/16	Mfr. Part No. SST39SF040-70-4C-NHE Mouser Part No 804-39SF0407CNHE	Microchip Technology	NOR Flash 512K X 8 70ns	Datasheet	2,421In Stock 1,380Expected 2026/10/16	$2.86 $2.73 $2.64	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tube
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: $1.40 6,000In Stock	Mfr. Part No. SST26WF040BT-104I/NP Mouser Part No 579-T26WF040BT104INP	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON Learn More about Microchip Technology sst sst26 flash memory	Datasheet	6,000In Stock	Cut Tape $1.40 Reel $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	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 (1.7V to 3.6V), -40C to 125C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHNHR-T Renesas / Dialog 1: $2.14 2,289In 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	2,289In Stock	Cut Tape $2.14 $2.01 $1.95 $1.91 View Reel $1.34 $1.86 $1.80 $1.76 $1.72 $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT		4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-SHD-T Renesas / Dialog 1: $0.73 10,381In Stock	Mfr. Part No. AT25SF041B-SHD-T Mouser Part No 988-AT25SF041BSHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	10,381In Stock	Cut Tape $0.73 $0.683 $0.665 $0.652 View Reel $0.568 $0.638 $0.619 $0.605 $0.591 $0.568 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-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-N 150mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SSHN-T Renesas / Dialog 1: $1.83 3,502In Stock	Mfr. Part No. AT25PE40-SSHN-T Mouser Part No 988-AT25PE40-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	3,502In Stock	Cut Tape $1.83 $1.72 $1.67 $1.63 View Reel $1.43 $1.59 $1.54 $1.50 $1.47 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Wide-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, 256 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash AT45DB041E-MHN2B-T Renesas / Dialog 1: $2.11 2,974In Stock	Mfr. Part No. AT45DB041E-MHN2B-T Mouser Part No 988-AT45DB041EMHN2BT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,974In Stock	Cut Tape $2.11 $1.98 $1.92 $1.88 View Reel $1.45 $1.84 $1.78 $1.74 $1.69 $1.45 $1.45 MouseReel Available	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, MouseReel
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-SAF-T Microchip Technology 1: $1.26 2,616In Stock	Mfr. Part No. SST25VF040B-50-4C-SAF-T Mouser Part No 579-25VF040B504CSAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	2,616In Stock	Cut Tape $1.26 $1.21 Reel $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	0 C	+ 70 C	Reel, Cut Tape, MouseReel
NOR Flash 4M Flash SPI SST25PF040C-40I/MF Microchip Technology 1: $1.38 1,242In Stock	Mfr. Part No. SST25PF040C-40I/MF Mouser Part No 579-SST25PF040C40IMF	Microchip Technology	NOR Flash 4M Flash SPI Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	1,242In Stock	$1.38 $1.34 $1.26	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TDFN-S-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, DFN 2x3 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-MAHN-T Renesas / Dialog 1: $1.97 2,122In Stock	Mfr. Part No. AT25XE041B-MAHN-T Mouser Part No 988-AT25XE041B-MAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	2,122In Stock	Cut Tape $1.97 $1.90 $1.85 $1.76 View Reel $1.50 $1.72 $1.66 $1.62 $1.57 $1.50 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, 264 Byte Binary Page Mode, DFN 5x6 (Tray), Single SPI DataFlash AT45DB041E-MHN-Y Renesas / Dialog 1: $2.02 1,343In Stock	Mfr. Part No. AT45DB041E-MHN-Y Mouser Part No 988-AT45DB041E-MHN-Y	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, DFN 5x6 (Tray), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,343In Stock	$2.02 $1.90 $1.85 $1.83 View $1.76 $1.72 $1.67 $1.45	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tray
NOR Flash 4Mb, Serial Flash, 3.0V, 105C SST25PF040C-40V/SN Microchip Technology 1: $1.26 1,931In Stock	Mfr. Part No. SST25PF040C-40V/SN Mouser Part No 579-ST25PF040C40V/SN	Microchip Technology	NOR Flash 4Mb, Serial Flash, 3.0V, 105C Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	1,931In Stock	$1.26 $1.21 $1.17	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Tube
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/SN Microchip Technology 1: $1.40 3,652In Stock	Mfr. Part No. SST25PF040CT-40E/SN Mouser Part No 579-T25PF040CT-40ESN	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	3,652In Stock	Cut Tape $1.40 Reel $1.31	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT		4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Reel, Cut Tape
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHNHC-T Renesas / Dialog 1: $1.91 2,869In Stock	Mfr. Part No. AT45DB041E-SSHNHC-T Mouser Part No 988-A45DB041ESSHNHCT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,869In Stock	Cut Tape $1.91 $1.79 $1.74 $1.70 View Reel $1.42 $1.67 $1.60 $1.57 $1.54 $1.42 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Narrow-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-N 150mil (Tube), Single, Dual SPI NOR flash AT25DF041B-SSHN-B Renesas / Dialog 1: $1.34 17,421In Stock	Mfr. Part No. AT25DF041B-SSHN-B Mouser Part No 988-AT25DF041BSSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	17,421In Stock	$1.34 $1.26 $1.23 $1.20 View $1.16 $1.13 $1.10 $1.08 $0.944	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-SHB-T Renesas / Dialog 1: $0.72 28,043In Stock	Mfr. Part No. AT25SF041B-SHB-T Mouser Part No 988-AT25SF041B-SHB-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	28,043In Stock	Cut Tape $0.72 $0.677 $0.661 $0.647 View Reel $0.448 $0.633 $0.613 $0.599 $0.585 $0.448	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tube), Single SPI DataFlash AT45DB041E-SHNHT-B Renesas / Dialog 1: $2.35 2,635In Stock	Mfr. Part No. AT45DB041E-SHNHT-B Mouser Part No 988-AT45DB041ESHNHTB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tube), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,635In Stock	$2.35 $2.19 $2.13 $2.11 View $2.02 $1.95 $1.92 $1.52 $1.47	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Tube
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHNHT-T Renesas / Dialog 1: $2.35 2,838In Stock	Mfr. Part No. AT45DB041E-SHNHT-T Mouser Part No 988-AT45DB041ESHNHTT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,838In Stock	Cut Tape $2.35 $2.19 $2.13 $2.09 View Reel $1.63 $2.04 $1.97 $1.93 $1.88 $1.63 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-XMHN-T Renesas / Dialog 1: $1.92 3,970In Stock	Mfr. Part No. AT25XE041B-XMHN-T Mouser Part No 988-AT25XE041B-XMHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	3,970In Stock	Cut Tape $1.92 $1.80 $1.76 $1.71 View Reel $1.17 $1.67 $1.62 $1.57 $1.54 $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/MF Microchip Technology 1: $1.95 4,829In Stock	Mfr. Part No. SST25PF040CT-40E/MF Mouser Part No 579-T25PF040CT-40EMF	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	4,829In Stock	Cut Tape $1.95 Reel $1.76 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	WDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash AT25XV041B-XMHV-T Renesas / Dialog 1: $2.04 3,961In Stock	Mfr. Part No. AT25XV041B-XMHV-T Mouser Part No 988-AT25XV041B-XMHVT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	3,961In Stock	Cut Tape $2.04 $1.90 $1.84 $1.80 View Reel $1.27 $1.76 $1.71 $1.67 $1.63 $1.27 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NVRAM 4096k Nonvolatile SRAM DS1250AB-70+ Analog Devices / Maxim Integrated 1: $214.47 68In Stock	Mfr. Part No. DS1250AB-70+ Mouser Part No 700-DS1250AB-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	68In Stock	$214.47 $163.67 $160.16	Min.: 1 Mult.: 1	NVRAM	Through Hole	EDIP-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tube
NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25LQ40CEIGR GigaDevice 1: $0.59 1,995In Stock	Mfr. Part No. GD25LQ40CEIGR Mouser Part No 363-GD25LQ40CEIGR	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	1,995In Stock	Cut Tape $0.59 $0.551 $0.537 $0.526 View Reel $0.458 $0.515 $0.50 $0.488 $0.477 $0.458	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
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash AT25XE041D-SSHN-B Renesas / Dialog 1: $0.80 2,523In Stock	Mfr. Part No. AT25XE041D-SSHN-B Mouser Part No 724-AT25XE041DSSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash	Datasheet	2,523In Stock	$0.80 $0.74 $0.72 $0.704 View $0.688 $0.668 $0.652 $0.636 $0.48	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-QAE-T Microchip Technology 1: $1.60 73In Stock	Mfr. Part No. SST25VF040B-50-4I-QAE-T Mouser Part No 579-25VF040B504IQAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	73In Stock	Cut Tape $1.60 $1.55 Reel $1.50	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape