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4 Mbit Memory ICs

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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	Product Type	Mounting Style	Package / Case	Memory Size	Interface Type
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash AT45DB041E-SSHN-B Renesas / Dialog 1: $1.87 1,612In Stock	Mfr. Part # AT45DB041E-SSHN-B Mouser Part # 988-45DB041ESSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,612In Stock	$1.87 $1.75 $1.70 $1.64 View $1.59 $1.56 $1.52 $1.48 $1.43	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHNHT-T Renesas / Dialog 1: $2.31 2,773In Stock	Mfr. Part # AT45DB041E-SSHNHT-T Mouser Part # 988-45DB041ESSHNHTT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,773In Stock	Cut Tape $2.31 $2.16 $2.10 $2.06 View Reel $1.74 $2.01 $1.94 $1.90 $1.85 $1.74 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		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 SPI NOR flash AT25DF041B-SSHN-T Renesas / Dialog 1: $1.34 4,432In Stock 8,000Expected 4/5/2027	Mfr. Part # AT25DF041B-SSHN-T Mouser Part # 988-AT25DF041BSSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	4,432In Stock 8,000Expected 4/5/2027	Cut Tape $1.34 $1.26 $1.23 $1.20 View Reel $1.05 $1.17 $1.14 $1.11 $1.09 $1.05 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR flash AT25SF041B-SSHB-B Renesas / Dialog 1: $0.72 7,415In Stock	Mfr. Part # AT25SF041B-SSHB-B Mouser Part # 988-AT25SF041-SSH-B	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	7,415In Stock	$0.72 $0.675 $0.657 $0.637 View $0.622 $0.609 $0.595 $0.581 $0.555	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOP-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR Flash AT25SF041B-SSHD-B Renesas / Dialog 1: $0.69 24,634In Stock	Mfr. Part # AT25SF041B-SSHD-B Mouser Part # 988-AT25SF041BSSHDB	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR Flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	24,634In Stock	$0.69 $0.647 $0.63 $0.617 View $0.603 $0.585 $0.572 $0.559 $0.537	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOP-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR Flash AT25SF041B-SSHD-T Renesas / Dialog 1: $0.70 33,620In Stock	Mfr. Part # AT25SF041B-SSHD-T Mouser Part # 988-AT25SF041BSSHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR Flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	33,620In Stock	Cut Tape $0.70 $0.656 $0.639 $0.626 View Reel $0.537 $0.612 $0.594 $0.581 $0.567 $0.537 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOP-Narrow-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: $2.05 2,032In Stock	Mfr. Part # AT25XE041B-MAHN-T Mouser Part # 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	2,032In Stock	Cut Tape $2.05 $1.92 $1.86 $1.82 View Reel $1.59 $1.78 $1.73 $1.68 $1.64 $1.59 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, SOIC-N 150mil (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-SSHN-T Renesas / Dialog 1: $1.65 1,569In Stock 8,000On Order	Mfr. Part # AT25XE041B-SSHN-T Mouser Part # 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	1,569In Stock 8,000On Order On Order Ship Dates Mfr. #: AT25XE041B-SSHN-T Stock: 1,569 Can Ship Immediately On Order: 4,000 Expected 10/22/2026 4,000 Expected 1/8/2027 Factory Lead-Time: 26 Weeks	Cut Tape $1.65 $1.55 $1.51 $1.48 View Reel $1.03 $1.44 $1.40 $1.37 $1.33 $1.03 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, 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 10/23/2026	Mfr. Part # AT45DB041E-SHN2B-T Mouser Part # 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 10/23/2026	Cut Tape $1.88 $1.77 $1.72 $1.68 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	SPI
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 7,447In Stock	Mfr. Part # AT45DB041E-SSHN-T Mouser Part # 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	7,447In Stock	Cut Tape $1.87 $1.75 $1.70 $1.66 View Reel $1.43 $1.62 $1.57 $1.53 $1.50 $1.43 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
SRAM 4Mb,Low Power,Async,512K x 8,45ns,5v,32 Pin TSOP II, RoHS ISSI IS62C5128EL-45TLI IS62C5128EL-45TLI ISSI 1: $7.51 4,680In Stock	Mfr. Part # IS62C5128EL-45TLI Mouser Part # 870-IS62C5128EL45TLI	ISSI	SRAM 4Mb,Low Power,Async,512K x 8,45ns,5v,32 Pin TSOP II, RoHS	Datasheet	4,680In Stock	$7.51 $6.99 $6.78 $6.62 $6.43	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-II-32	4 Mbit	Parallel
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: $20.74 663In Stock	Mfr. Part # CY15B104QN-50SXI Mouser Part # 727-CY15B104QN-50	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	663In Stock	$20.74 $19.24 $18.64 $18.19 View $17.74 $17.16 $16.71 Quote	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXI CY7C1049GN-10VXI Infineon Technologies 1: $12.71 895In Stock	Mfr. Part # CY7C1049GN-10VXI Mouser Part # 727-CY7C1049GN-10VXI	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	895In Stock	$12.71 $11.80 $11.44 $11.17 View $10.89 $10.54 $10.27 $10.01 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT		4 Mbit	Parallel
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXIT CY7C1049GN-10VXIT Infineon Technologies 1: $12.71 640In Stock 500Expected 12/10/2026	Mfr. Part # CY7C1049GN-10VXIT Mouser Part # 727-CY7C1049GN10VXIT	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	640In Stock 500Expected 12/10/2026	Cut Tape $12.71 $11.80 $11.44 $11.17 Reel $10.27 View $10.89 $10.54 $10.01 Quote	Min.: 1 Mult.: 1 : 500		SRAM	SMD/SMT		4 Mbit	Parallel
F-RAM 4M (256Kx16) 55ns F-RAM Infineon Technologies FM22LD16-55-BG FM22LD16-55-BG Infineon Technologies 1: $54.29 335In Stock	Mfr. Part # FM22LD16-55-BG Mouser Part # 877-FM22LD16-55-BG	Infineon Technologies	F-RAM 4M (256Kx16) 55ns F-RAM Learn More about Infineon Technologies cypress parallel fram	Datasheet	335In Stock	$54.29 $50.19 $48.57 $47.35 View $46.17 $44.62	Min.: 1 Mult.: 1		FRAM	SMD/SMT	BGA-48	4 Mbit	Parallel
SRAM 2.5 or 3.3V 256K x 18 4M GS840Z18CGT-250I GSI Technology 1: $11.75 71In Stock	Mfr. Part # GS840Z18CGT-250I Mouser Part # 464-GS840Z18CGT-250I	GSI Technology	SRAM 2.5 or 3.3V 256K x 18 4M Learn More about GSI Technology gsi nbt srams	Datasheet	71In Stock	$11.75 $10.92 $10.58 $10.20 View $9.94 $9.20 $8.99 $8.79 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TQFP-100	4 Mbit	Parallel
Memory IC Development Tools Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx X-NUCLEO-EEPRMA2 STMicroelectronics 1: $18.66 44In Stock	Mfr. Part # X-NUCLEO-EEPRMA2 Mouser Part # 511-X-NUCLEO-EEPRMA2	STMicroelectronics	Memory IC Development Tools Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx Learn More about STMicroelectronics stm x nucleo eeprma2 board	Datasheet	44In Stock	$18.66	Min.: 1 Mult.: 1 Max.: 10	Expansion Boards	Memory IC Development Tools			4 Mbit	I2C, SPI
EPROM 4Mb (512Kx8) OTP 3V 90ns AT27LV040A-90JU Microchip Technology 1: $9.19 43In Stock	Mfr. Part # AT27LV040A-90JU Mouser Part # 556-AT27LV040A-90JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 3V 90ns	Datasheet	43In Stock	$9.19 $9.02 $9.01 $8.75 View $8.72 $8.69 Quote	Min.: 1 Mult.: 1		EPROM	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE Microchip Technology 1: $2.50 300In Stock	Mfr. Part # SST39LF040-55-4C-NHE Mouser Part # 579-39LF0405CNHE	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	300In Stock	$2.50 $2.46	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE-T Microchip Technology 1: $2.94 443In Stock 750Expected 11/2/2026	Mfr. Part # SST39SF040-55-4C-NHE-T Mouser Part # 579-39SF040554CNHET	Microchip Technology	NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash	Datasheet	443In Stock 750Expected 11/2/2026	Cut Tape $2.94 Reel $2.68 $2.64 MouseReel Available	Min.: 1 Mult.: 1 : 750		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE Microchip Technology 1: $2.73 125In Stock	Mfr. Part # SST39SF040-55-4C-NHE Mouser Part # 579-39SF0405CNHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	125In Stock	$2.73 $2.68 $2.62 $2.60 $2.59	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE Microchip Technology 1: $3.03 393In Stock	Mfr. Part # SST39SF040-55-4I-NHE Mouser Part # 579-39SF0405INHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	393In Stock	$3.03 $2.91 $2.81	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE-T Microchip Technology 1: $3.06 480In Stock	Mfr. Part # SST39SF040-55-4I-NHE-T Mouser Part # 579-SST39040554INHET	Microchip Technology	NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash	Datasheet	480In Stock	Cut Tape $3.06 Reel $2.81	Min.: 1 Mult.: 1 : 750		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM CY14B104M-ZSP45XI Infineon Technologies 1: $52.98 3In Stock	Mfr. Part # CY14B104M-ZSP45XI Mouser Part # 727-CY14B104MZSP45XI	Infineon Technologies	NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM	Datasheet	3In Stock	$52.98 $48.97 $47.39 $46.21 View $45.05 $43.54	Min.: 1 Mult.: 1		NVRAM	SMD/SMT	TSOP-II-54	4 Mbit
Memory IC Development Tools OTHER RAM CY15FRAMKIT-002 Infineon Technologies 1: $11.53 22In Stock	Mfr. Part # CY15FRAMKIT-002 Mouser Part # 727-CY15FRAMKIT-002	Infineon Technologies	Memory IC Development Tools OTHER RAM	Datasheet	22In Stock	$11.53	Min.: 1 Mult.: 1	Development Kits	Memory IC Development Tools			4 Mbit