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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 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MAHB-T Renesas / Dialog 1: $0.99 290In Stock 15,000Expected 25/06/2027	Mfr. Part No. AT25SF041B-MAHB-T Mouser Part No 988-AT25SF041-MAH-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	290In Stock 15,000Expected 25/06/2027	Cut Tape $0.99 $0.932 $0.908 $0.888 View Reel $0.679 $0.868 $0.842 $0.767 $0.748 $0.679	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tube), Single, Dual, Quad SPI NOR Flash AT25SF041B-SHD-B Renesas / Dialog 1: $0.76 2,513In Stock	Mfr. Part No. AT25SF041B-SHD-B Mouser Part No 988-AT25SF041BSHDB	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tube), Single, Dual, Quad SPI NOR Flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	2,513In Stock	$0.76 $0.711 $0.693 $0.672 View $0.657 $0.642 $0.627 $0.612 $0.585	Min.: 1 Mult.: 1	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, DFN 5x6 (Tape & Reel), Single SPI DataFlash AT45DB041E-MHN-T Renesas / Dialog 1: $2.15 884In Stock 6,000Expected 08/01/2027	Mfr. Part No. AT45DB041E-MHN-T Mouser Part No 988-AT45DB041E-MHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	884In Stock 6,000Expected 08/01/2027	Cut Tape $2.15 $2.02 $1.96 $1.92 View Reel $1.65 $1.87 $1.81 $1.77 $1.73 $1.65 $1.65 MouseReel Available	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 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHNHA-T Renesas / Dialog 1: $1.98 621In Stock 2,000Expected 08/12/2026	Mfr. Part No. AT45DB041E-SHNHA-T Mouser Part No 988-AT45DB041ESHNHAT	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	621In Stock 2,000Expected 08/12/2026	Cut Tape $1.98 $1.86 $1.80 $1.76 View Reel $1.44 $1.72 $1.67 $1.63 $1.59 $1.44 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08AYS35 Everspin Technologies 1: $42.08 1,620In Stock	Mfr. Part No. MR2A08AYS35 Mouser Part No 936-MR2A08AYS35	Everspin Technologies	MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM Learn More about Everspin Technologies everspin 4mb parallel mrams	Datasheet	1,620In Stock	$42.08 $38.93 $37.68 $36.76 View $36.20 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +105?) /T&R GD25Q40CEJGR GigaDevice 1: $0.76 1,344In Stock	Mfr. Part No. GD25Q40CEJGR Mouser Part No 363-GD25Q40CEJGR	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +105?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	1,344In Stock	Cut Tape $0.76 $0.711 $0.692 $0.677 View Reel $0.589 $0.662 $0.643 $0.628 $0.613 $0.589	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: $0.59 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	SPI
NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25Q40CEIGR GigaDevice 1: $0.60 523In Stock	Mfr. Part No. GD25Q40CEIGR Mouser Part No 363-GD25Q40CEIGR	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	523In Stock	Cut Tape $0.60 $0.565 $0.551 $0.539 View Reel $0.487 $0.527 $0.511 $0.51 $0.498 $0.487 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash Parallel NOR Flash, 4M, 512k x 8, 5V, PLCC 32, 55NS, INDUSTRIAL TEMP - Tube AS29CF040-55CCIN Alliance Memory 1: $14.96 202In Stock	Mfr. Part No. AS29CF040-55CCIN Mouser Part No 913-AS29CF040-55CCIN	Alliance Memory	NOR Flash Parallel NOR Flash, 4M, 512k x 8, 5V, PLCC 32, 55NS, INDUSTRIAL TEMP - Tube Learn More about Alliance Memory alliance as29cf040 55ccin flash memory	Datasheet	202In Stock	$14.96 $13.89 $13.38 $13.04 View $12.72 $12.35 $12.06	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08ACMA35 Everspin Technologies 1: $44.32 167In 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	167In Stock	$44.32 $41.02 $39.70 $38.73 View $37.69 $36.26	Min.: 1 Mult.: 1	MRAM	SMD/SMT	BGA-48	4 Mbit	Parallel
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08ACYS35 Everspin Technologies 1: $44.36 5In Stock 270Expected 05/05/2027	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	5In Stock 270Expected 05/05/2027	$44.36 $40.93 $39.61 $38.63 View $37.47 $36.36	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
NOR Flash 4Mb QSPI, 8-pin USON 2x3MM, RoHS, T&R, new die rev ISSI IS25LP040E-JYLE-TR IS25LP040E-JYLE-TR ISSI 1: $2.00 35In Stock 10,000Expected 18/11/2026	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	35In Stock 10,000Expected 18/11/2026	Cut Tape $2.00 $1.87 $1.82 $1.78 $1.74 Reel $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	QPI, SPI
NOR Flash 4M (512Kx8) 70ns 5.0V Industrial SST39SF040-70-4I-NHE-T Microchip Technology 1: $2.96 741Expected 21/12/2026	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	741Expected 21/12/2026	Cut Tape $2.96 Reel $2.73 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4Mbit NOR Flash 3.3V USON8 320.45mm Industrial(-40C to +85C) GD25Q40EEIGR GigaDevice 1: $0.78 5,236On Order	Mfr. Part No. GD25Q40EEIGR Mouser Part No 363-GD25Q40EEIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 3.3V USON8 320.45mm Industrial(-40C to +85C)		5,236On Order	Cut Tape $0.78 $0.733 $0.714 $0.699 View Reel $0.607 $0.684 $0.663 $0.648 $0.633 $0.607	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE Microchip Technology 1: $1.20 9,217On Order	Mfr. Part No. SST25VF040B-50-4I-SAE Mouser Part No 579-25VF040B504I-SAE	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	9,217On Order On Order Ship Dates Mfr. No: SST25VF040B-50-4I-SAE Stock: 0 On Order: 4,917 Expected 25/01/2027 4,300 Expected 03/05/2027 Factory Lead Time: 23 Weeks	$1.20 $1.16 $1.11	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-QAE-T Microchip Technology 1: $1.61 1,989Expected 12/11/2026	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	1,989Expected 12/11/2026	Cut Tape $1.61 $1.55 Reel $1.50	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH SST25PF040CT-40I/NP Microchip Technology 1: $1.44 5,151Expected 03/12/2026	Mfr. Part No. SST25PF040CT-40I/NP Mouser Part No 579-ST25PF040CT40INP	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	5,151Expected 03/12/2026	Cut Tape $1.44 $1.43 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-UUN-T Renesas / Dialog 1: $0.88 3,426Expected 27/11/2026	Mfr. Part No. AT25FF041A-UUN-T Mouser Part No 724-AT25FF041A-UUN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	3,426Expected 27/11/2026	Cut Tape $0.88 $0.821 $0.799 $0.782 View Reel $0.52 $0.765 $0.742 $0.725 $0.707 $0.52 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	WLCSP-8	4 Mbit	SPI
NOR Flash 4 Mbit, Ultra Low Energy, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25EU0041A-MAHN-T Renesas / Dialog 1: $0.55 15,000Expected 27/04/2027	Mfr. Part No. AT25EU0041A-MAHN-T Mouser Part No 968-AT25EU0041AMAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Low Energy, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog dialog semi at25eu	Datasheet	15,000Expected 27/04/2027	Cut Tape $0.55 $0.522 $0.508 $0.498 View Reel $0.434 $0.487 $0.473 $0.462 $0.451 $0.434	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, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHN-T Renesas / Dialog 1: $2.04 10,000Expected 06/05/2027	Mfr. Part No. AT25DF041B-MAHN-T Mouser Part No 988-25DF041B-MAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	10,000Expected 06/05/2027	Cut Tape $2.04 $1.91 $1.85 $1.81 View Reel $1.56 $1.77 $1.72 $1.67 $1.63 $1.56 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, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-SSHN-T Renesas / Dialog 1: $0.69 7,526Expected 13/11/2026	Mfr. Part No. AT25FF041A-SSHN-T Mouser Part No 988-AT25FF041-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	7,526Expected 13/11/2026	Cut Tape $0.69 $0.649 $0.632 $0.618 View Reel $0.543 $0.605 $0.587 $0.574 $0.56 $0.543	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SHN-T Renesas / Dialog 1: $1.89 5,864Expected 06/01/2027	Mfr. Part No. AT25PE40-SHN-T Mouser Part No 988-AT25PE40-SHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	5,864Expected 06/01/2027	Cut Tape $1.89 $1.77 $1.72 $1.68 View Reel $1.46 $1.64 $1.59 $1.55 $1.52 $1.46 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MAHD-T Renesas / Dialog 1: $0.91 16,905On Order	Mfr. Part No. AT25SF041B-MAHD-T Mouser Part No 988-AT25SF041BMAHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	16,905On Order On Order Ship Dates Mfr. No: AT25SF041B-MAHD-T Stock: 0 On Order: 6,905 Expected 18/11/2026 10,000 Expected 25/02/2027 Factory Lead Time: 26 Weeks	Cut Tape $0.91 $0.853 $0.83 $0.812 View Reel $0.688 $0.795 $0.773 $0.688	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 1.8V, 4Mbit SPI Flash SST25WF040B-40E/SN Microchip Technology 1: $1.40 600Expected 13/11/2026	Mfr. Part No. SST25WF040B-40E/SN Mouser Part No 579-ST25WF040B40E/SN	Microchip Technology	NOR Flash 1.8V, 4Mbit SPI Flash Learn More about Microchip Technology microchip sst25wf040b 80b spi serial flash memory	Datasheet	600Expected 13/11/2026	$1.40 $1.37 $1.31	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil MX25U4035FM1I-T Macronix 1: $1.60 760On Order	Mfr. Part No. MX25U4035FM1I-T Mouser Part No 95-25U4035FM1IT	Macronix	NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil	Datasheet	760On Order	$1.60 $1.50 $1.46 $1.43 View $1.39 $1.35 $1.31 $1.28	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI