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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	Organisation	Interface Type	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
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	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 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-MHNHR-T Renesas / Dialog 1: $2.43 1,448In 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	1,448In Stock	Cut Tape $2.43 $2.27 $2.20 $2.15 View Reel $1.90 $2.11 $2.04 $2.00 $1.97 $1.90 $1.90	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
NOR Flash 512K x 8 7 us SST25VF040B-50-4C-S2AF Microchip Technology 1: $1.22 220In Stock 1,440On Order	Mfr. Part No. SST25VF040B-50-4C-S2AF Mouser Part No 804-25VF040B5CS2AF	Microchip Technology	NOR Flash 512K x 8 7 us	Datasheet	220In Stock 1,440On Order On Order Ship Dates Mfr. No: SST25VF040B-50-4C-S2AF Stock: 220 Can Dispatch Immediately On Order: 720 Expected 2026/10/02 720 Expected 2026/10/26 Factory Lead Time: 21 Weeks	$1.22 $1.19 $1.13	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	0 C	+ 70 C	Tube
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	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-S2AF Microchip Technology 1: $1.22 567In 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	567In Stock	$1.22 $1.19 $1.13	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-SAF Microchip Technology 1: $1.20 1,174In 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	1,174In Stock	$1.20 $1.16 $1.11	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4 Mbit, Ultra Low Energy, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25EU0041A-SSHN-T Renesas / Dialog 1: $0.561 1,148In Stock 8,000Expected 2026/10/22	Mfr. Part No. AT25EU0041A-SSHN-T Mouser Part No 968-AT25EU0041ASSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Low Energy, 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 dialog semi at25eu	Datasheet	1,148In Stock 8,000Expected 2026/10/22	Cut Tape $0.561 $0.523 $0.509 $0.499 View Reel $0.44 $0.488 $0.475 $0.463 $0.452 $0.44	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-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, DFN 5x6 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MHN-T Renesas / Dialog 1: $2.20 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 $2.20 $2.06 $2.00 $1.97 View Reel $1.67 $1.91 $1.85 $1.81 $1.77 $1.67 $1.67 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	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 (2.7V 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 2027/06/25	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 2027/06/25	Cut Tape $0.99 $0.933 $0.908 $0.889 View Reel $0.629 $0.868 $0.842 $0.822 $0.804 $0.629	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
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: $0.74 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	$0.74 $0.693 $0.675 $0.652 View $0.637 $0.626 $0.611 $0.597 $0.568	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-Wide-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, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHN-T Renesas / Dialog 1: $1.95 119In Stock 4,000Expected 2026/12/10	Mfr. Part No. AT45DB041E-SHN-T Mouser Part No 988-AT45DB041E-SHN-T	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	119In Stock 4,000Expected 2026/12/10	Cut Tape $1.95 $1.83 $1.77 $1.73 View Reel $1.49 $1.69 $1.64 $1.60 $1.56 $1.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	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, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHNHA-T Renesas / Dialog 1: $1.98 721In Stock 2,000Expected 2026/12/08	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	721In Stock 2,000Expected 2026/12/08	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	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
MRAM 4Mb 3.3V 35ns 512Kx8 Parallel MRAM MR2A08AYS35 Everspin Technologies 1: $41.14 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	$41.14 $38.06 $36.84 $35.95 View $34.98 $33.66	Min.: 1 Mult.: 1	MRAM	SMD/SMT	TSOP-II-44	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tray
NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +105?) /T&R GD25Q40CEJGR GigaDevice 1: $0.761 1,347In 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	1,347In Stock	Cut Tape $0.761 $0.711 $0.692 $0.677 View Reel $0.59 $0.662 $0.643 $0.628 $0.613 $0.59	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Reel, Cut Tape
NOR Flash 4Mbit NOR Flash /3.3V /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25Q40CEIGR GigaDevice 1: $0.60 773In 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	773In Stock	Cut Tape $0.60 $0.565 $0.551 $0.54 View Reel $0.487 $0.527 $0.511 $0.498 $0.487 MouseReel Available	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, MouseReel
NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, T&R, new die rev IS25LP040E-JNLE-TR ISSI 1: $0.95 6,104In Stock 51,000On 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	6,104In Stock 51,000On Order On Order Ship Dates Mfr. No: IS25LP040E-JNLE-TR Stock: 6,104 Can Dispatch Immediately On Order: 18,000 Expected 2026/11/04 21,000 Expected 2026/11/11 12,000 Expected 2026/12/16 Factory Lead Time: 52 Weeks	Cut Tape $0.95 $0.893 $0.869 $0.851 $0.833 Reel $0.833 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
NOR Flash Parallel NOR Flash, 4M, 512k x 8, 5V, PLCC 32, 55NS, INDUSTRIAL TEMP - Tube AS29CF040-55CCIN Alliance Memory 1: $14.97 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	$14.97 $13.90 $13.39 $13.04 View $12.72 $12.35 $12.06	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tube
NOR Flash 4Mb QSPI, 8-pin SOP 150Mil, RoHS, new die rev IS25LP040E-JNLE ISSI 1: $1.20 730In Stock 1,200Expected 2026/11/16	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	730In Stock 1,200Expected 2026/11/16	$1.20 $1.12 $1.09 $1.07 $1.04	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C
MRAM Avalanche High Performance Serial P-SRAM 4Mb in WSON8 package with QSPI - 54MHz interface, 3V, -40 C to 105 C AS3004204-0054X0PWAY Avalanche Technology 1: $19.41 9In Stock	Mfr. Part No. AS3004204-0054X0PWAY Mouser Part No 793-30042040054X0PWY	Avalanche Technology	MRAM Avalanche High Performance Serial P-SRAM 4Mb in WSON8 package with QSPI - 54MHz interface, 3V, -40 C to 105 C Learn More about Avalanche Technology avalanche serial p sram memory	Datasheet	9In Stock	$19.41 $18.01 $17.46 $17.04 View $16.61 $16.06 $15.64 $15.18 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	WSON-8	4 Mbit	512 k x 8	QSPI	- 40 C	+ 105 C	Tray
NOR Flash GD25Q40EEIGR GigaDevice 1: $0.69 5,236On Order	Mfr. Part No. GD25Q40EEIGR Mouser Part No 363-GD25Q40EEIGR	GigaDevice	NOR Flash		5,236On Order On Order Ship Dates Mfr. No: GD25Q40EEIGR Stock: 0 On Order: 2,236 Expected 2026/09/22 3,000 Expected 2026/10/19 Factory Lead Time: 21 Weeks	Cut Tape $0.69 $0.647 $0.629 $0.616 View Reel $0.535 $0.602 $0.585 $0.571 $0.558 $0.535	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit		SPI	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/SN Microchip Technology 1: $1.23 9,722On Order	Mfr. Part No. SST25WF040BT-40I/SN Mouser Part No 579-25WF040BT-40I/SN	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	9,722On Order On Order Ship Dates Mfr. No: SST25WF040BT-40I/SN Stock: 0 On Order: 3,122 Expected 2026/09/28 6,600 Expected 2026/10/01 Factory Lead Time: 19 Weeks	Cut Tape $1.23 Reel $1.13 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	4-Wire	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH SST25PF040CT-40I/NP Microchip Technology 1: $1.44 5,151Expected 2026/12/03	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 2026/12/03	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	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH SST25PF040CT-40V/NP Microchip Technology 1: $1.66 8,598Expected 2026/10/22	Mfr. Part No. SST25PF040CT-40V/NP Mouser Part No 579-ST25PF040CT40VNP	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	8,598Expected 2026/10/22	Cut Tape $1.66 Reel $1.47 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
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 2026/11/27	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 2026/11/27	Cut Tape $0.88 $0.821 $0.799 $0.783 View Reel $0.52 $0.765 $0.742 $0.726 $0.707 $0.52 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	WLCSP-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, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHN-T Renesas / Dialog 1: $2.04 10,000Expected 2028/02/07	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 2028/02/07	Cut Tape $2.04 $1.91 $1.85 $1.81 View Reel $1.55 $1.77 $1.72 $1.67 $1.63 $1.55 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