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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 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-SSHN-T Renesas / Dialog 1: $1.69 2,990In Stock 8,000On Order	Mfr. Part No. AT25XE041B-SSHN-T Mouser Part No 988-AT25XE041B-SSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	2,990In Stock 8,000On Order On Order Ship Dates Mfr. No: AT25XE041B-SSHN-T Stock: 2,990 Can Dispatch Immediately On Order: 4,000 Expected 2026/10/22 4,000 Expected 2027/01/08 Factory Lead Time: 18 Weeks	Cut Tape $1.69 $1.58 $1.54 $1.51 View Reel $1.24 $1.47 $1.43 $1.40 $1.36 $1.24 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, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual SPI NOR flash AT25XV041B-SSHV-T Renesas / Dialog 1: $1.76 3,538In Stock	Mfr. Part No. AT25XV041B-SSHV-T Mouser Part No 988-AT25XV041B-SSHVT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	3,538In Stock	Cut Tape $1.76 $1.63 $1.59 $1.55 View Reel $1.35 $1.52 $1.47 $1.43 $1.40 $1.35 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, 264 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash AT45DB041E-MHN-T Renesas / Dialog 1: $2.15 1,715In Stock 6,000Expected 2027/01/08	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	1,715In Stock 6,000Expected 2027/01/08	Cut Tape $2.15 $2.02 $1.97 $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	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 (Tube), Single SPI DataFlash AT45DB041E-SHN-B Renesas / Dialog 1: $1.92 2,266In Stock	Mfr. Part No. AT45DB041E-SHN-B Mouser Part No 988-AT45DB041E-SHN-B	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	2,266In Stock	$1.92 $1.80 $1.76 $1.60 View $1.56 $1.52 $1.51 $1.47	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-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, 256 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHN2B-T Renesas / Dialog 1: $1.88 1,711In Stock 2,000Expected 2026/10/22	Mfr. Part No. AT45DB041E-SHN2B-T Mouser Part No 988-AT45DB041ESHN2BT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,711In Stock 2,000Expected 2026/10/22	Cut Tape $1.88 $1.77 $1.72 $1.67 View Reel $1.43 $1.64 $1.59 $1.55 $1.52 $1.43 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, WLCSP (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHN-T Renesas / Dialog 1: $1.87 7,807In Stock	Mfr. Part No. AT45DB041E-SSHN-T Mouser Part No 988-AT45DB041ESSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	7,807In Stock	Cut Tape $1.87 $1.76 $1.70 $1.66 View Reel $1.43 $1.62 $1.57 $1.54 $1.50 $1.43 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 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE Microchip Technology 1: $2.67 352In Stock	Mfr. Part No. SST39LF040-55-4C-NHE Mouser Part No 579-39LF0405CNHE	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	352In Stock	$2.67 $2.56 $2.48	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tube
NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE-T Microchip Technology 1: $2.94 Lead-Time 10 Weeks	Mfr. Part No. SST39SF040-55-4C-NHE-T Mouser Part No 579-39SF040554CNHET	Microchip Technology	NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash	Datasheet	Lead-Time 10 Weeks	Cut Tape $2.94 Reel $2.70 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Reel, Cut Tape, MouseReel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE Microchip Technology 1: $2.91 201In Stock	Mfr. Part No. SST39SF040-55-4C-NHE Mouser Part No 579-39SF0405CNHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	201In Stock	$2.91 $2.83 $2.70	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Tube
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE Microchip Technology 1: $3.04 414In Stock	Mfr. Part No. SST39SF040-55-4I-NHE Mouser Part No 579-39SF0405INHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	414In Stock	$3.04 $2.91 $2.81	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tube
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE-T Microchip Technology 1: $2.62 274In Stock	Mfr. Part No. SST39VF040-70-4C-NHE-T Mouser Part No 804-39VF0407CNHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	274In Stock	Cut Tape $2.62 Reel $2.41	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	0 C	+ 70 C	Reel, Cut Tape
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial SST39VF040-70-4I-NHE Microchip Technology 1: $2.70 366In Stock 480Expected 2026/09/28	Mfr. Part No. SST39VF040-70-4I-NHE Mouser Part No 804-39VF0407INHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial	Datasheet	366In Stock 480Expected 2026/09/28	$2.70 $2.61 $2.51	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C	Tube
NVRAM 4096k Nonvolatile SRAM DS1250Y-70+ Analog Devices / Maxim Integrated 1: $210.83 18In Stock	Mfr. Part No. DS1250Y-70+ Mouser Part No 700-DS1250Y-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	18In Stock	$210.83 $194.08 $149.12 $146.31	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 /3.3V /SOP8 208mil /Industrial(-40? to +85?) /T&R GD25Q40CSIGR GigaDevice 1: $0.53 1,516In Stock	Mfr. Part No. GD25Q40CSIGR Mouser Part No 363-GD25Q40CSIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /3.3V /SOP8 208mil /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	1,516In Stock	Cut Tape $0.53 $0.499 $0.487 $0.476 View Reel $0.347 $0.466 $0.454 $0.442 $0.433 $0.347	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash GD25Q40ETIGR GigaDevice 1: $0.53 2,735In Stock	Mfr. Part No. GD25Q40ETIGR Mouser Part No 363-GD25Q40ETIGR	GigaDevice	NOR Flash		2,735In Stock	Cut Tape $0.53 $0.504 $0.49 $0.48 View Reel $0.434 $0.47 $0.456 $0.447 $0.435 $0.434	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	SOP-8	4 Mbit		SPI	- 40 C	+ 85 C	Reel, Cut Tape
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ TR Winbond 1: $1.65 42In Stock	Mfr. Part No. W25Q40RVZPJQ TR Mouser Part No 454-W25Q40RVZPJGTR	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		42In Stock	Cut Tape $1.65 Reel $1.65 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	WSON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ Winbond 1: $1.60 21In Stock	Mfr. Part No. W25Q40RVZPJQ Mouser Part No 454-W25Q40RVZPJQ	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		21In Stock	$1.60	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	WSON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 105 C	Tube
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE Microchip Technology 1: $1.20 1,635In Stock 6,000Expected 2027/01/25	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	1,635In Stock 6,000Expected 2027/01/25	$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 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE Microchip Technology 1: $1.22 577In Stock	Mfr. Part No. SST25VF040B-50-4I-S2AE Mouser Part No 579-25VF040B504IS2AE	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	577In 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 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040B-40I/SN Microchip Technology 1: $1.13 650In Stock	Mfr. Part No. SST25WF040B-40I/SN Mouser Part No 579-25WF040B-40I/SN	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	650In Stock	$1.13 $1.10 $1.07	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-SOIC SST26VF040A-104I/SN Microchip Technology 1: $1.13 665In Stock	Mfr. Part No. SST26VF040A-104I/SN Mouser Part No 579-26VF040A-104I/SN	Microchip Technology	NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 104MHz, I temp, 8-SOIC Learn More about Microchip Technology microchip 4mbit sst26vf040a nor flash	Datasheet	665In Stock	$1.13 $1.10 $1.07	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C	Tube
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040C-40E/MF Microchip Technology 1: $1.92 226In Stock	Mfr. Part No. SST25PF040C-40E/MF Mouser Part No 579-SST25PF040C40EMF	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	226In Stock	$1.92 $1.84 $1.76	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	512 k x 8	SPI	- 40 C	+ 125 C	Tube
NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz SST25VF040B-50-4C-SAF Microchip Technology 1: $1.20 889In Stock 2,500Expected 2026/11/19	Mfr. Part No. SST25VF040B-50-4C-SAF Mouser Part No 579-SST25VF040B504CS	Microchip Technology	NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz	Datasheet	889In Stock 2,500Expected 2026/11/19	$1.20 $1.16 $1.11	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	0 C	+ 70 C	Tube
NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC SST26WF040B-104I/SN Microchip Technology 1: $1.11 101In Stock	Mfr. Part No. SST26WF040B-104I/SN Mouser Part No 579-ST26WF040B104ISN	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC Learn More about Microchip Technology sst sst26 flash memory	Datasheet	101In Stock	$1.11 $1.08 $1.03	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, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-MAHN-T Renesas / Dialog 1: $0.85 1,927In Stock 5,000Expected 2027/03/05	Mfr. Part No. AT25FF041A-MAHN-T Mouser Part No 724-AT25FF041AMAHNT	Renesas / Dialog	NOR Flash 4 Mbit, 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 renesas at25ff041a memory	Datasheet	1,927In Stock 5,000Expected 2027/03/05	Cut Tape $0.85 $0.797 $0.776 $0.761 View Reel $0.665 $0.743 $0.721 $0.704 $0.687 $0.665 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