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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 (SGD) 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 512K X 8 70ns SST39SF040-70-4C-NHE Microchip Technology 1: $3.89 2,421In Stock 1,380Expected 16/10/2026	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 16/10/2026	$3.89 $3.71 $3.59	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 5.0V Industrial SST39SF040-70-4I-NHE-T Microchip Technology 1: $4.03 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 $4.03 Reel $3.71 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4Mb, Serial Flash, 3.0V, 105C SST25PF040C-40V/SN Microchip Technology 1: $1.70 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	$1.70 $1.65 $1.60	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 SST25PF040CT-40E/SN Microchip Technology 1: $1.90 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 $1.90 Reel $1.78	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT		4 Mbit	SPI
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: $2.60 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 $2.60 $2.43 $2.37 $2.31 View Reel $1.96 $2.27 $2.19 $2.14 $2.09 $1.96 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
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: $1.82 17,721In 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	17,721In Stock	$1.82 $1.71 $1.67 $1.63 View $1.58 $1.54 $1.50 $1.47 $1.32	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	SPI
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: $0.979 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 $0.979 $0.921 $0.898 $0.879 View Reel $0.619 $0.86 $0.834 $0.815 $0.796 $0.619	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
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: $3.20 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	$3.20 $2.98 $2.90 $2.84 View $2.76 $2.65 $2.61 $2.27 $2.24	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
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: $3.20 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 $3.20 $2.98 $2.90 $2.84 View Reel $2.28 $2.77 $2.67 $2.62 $2.56 $2.28 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
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: $2.61 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 $2.61 $2.45 $2.38 $2.33 View Reel $1.60 $2.27 $2.20 $2.14 $2.09 $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
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: $0.993 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 $0.993 $0.929 $0.904 $0.887 View Reel $0.771 $0.868 $0.842 $0.823 $0.804 $0.771 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-SAF-T Microchip Technology 1: $1.70 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 $1.70 $1.65 Reel $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4M Flash SPI SST25PF040C-40I/MF Microchip Technology 1: $1.88 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	$1.88 $1.82 $1.71	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
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: $2.68 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 $2.68 $2.57 $2.52 $2.39 View Reel $2.04 $2.34 $2.26 $2.20 $2.14 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
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: $2.75 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	$2.75 $2.57 $2.52 $2.49 View $2.39 $2.34 $2.27 $2.05	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
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: $2.49 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 $2.49 $2.34 $2.27 $2.22 View Reel $1.93 $2.16 $2.09 $2.04 $2.00 $1.93 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
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: $2.87 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 $2.87 $2.69 $2.61 $2.56 View Reel $2.04 $2.50 $2.42 $2.37 $2.30 $2.04 $2.04 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: $1.90 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 $1.90 Reel $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-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: $2.91 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 $2.91 $2.73 $2.65 $2.60 View Reel $1.82 $2.53 $2.45 $2.39 $2.34 $1.82 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/MF Microchip Technology 1: $2.65 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 $2.65 Reel $2.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	WDFN-8	4 Mbit	SPI
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: $2.76 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 $2.76 $2.58 $2.50 $2.45 View Reel $1.73 $2.39 $2.33 $2.27 $2.22 $1.73 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-QAE-T Microchip Technology 1: $2.19 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 $2.19 $2.11 Reel $2.04	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/NP Microchip Technology 1: $1.90 223In Stock 6,000Expected 26/10/2026	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 26/10/2026	Cut Tape $1.90 Reel $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25LQ40CEIGR GigaDevice 1: $0.802 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 $0.802 $0.749 $0.73 $0.715 View Reel $0.623 $0.70 $0.68 $0.664 $0.649 $0.623	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NVRAM 4096k Nonvolatile SRAM DS1250AB-70+ Analog Devices / Maxim Integrated 1: $291.62 68In Stock	Mfr. Part No. DS1250AB-70+ Mouser Part No 700-DS1250AB-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	68In Stock	$291.62 $222.55 $217.78	Min.: 1 Mult.: 1	NVRAM	Through Hole	EDIP-32	4 Mbit	Parallel