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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 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE-T Microchip Technology 1: $2.62 274In Stock	Mfr. Part # SST39VF040-70-4C-NHE-T Mouser Part # 804-39VF0407CNHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	274In Stock	Cut Tape $2.62 Reel $2.33 $2.32	Min.: 1 Mult.: 1 : 750		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial SST39VF040-70-4I-NHE Microchip Technology 1: $2.70 496In Stock	Mfr. Part # SST39VF040-70-4I-NHE Mouser Part # 804-39VF0407INHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial	Datasheet	496In Stock	$2.70 $2.61 $2.51	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v IS61WV25616BLL-10TLI-TR ISSI 1: $8.17 4,322In Stock	Mfr. Part # IS61WV25616BLL-10TLI-TR Mouser Part # 87061WV25616BL10TLIT	ISSI	SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v Learn More about ISSI asynchronous sram	Datasheet	4,322In Stock	Cut Tape $8.17 $7.60 $7.37 $7.20 $7.03 Reel $7.03 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
Memory IC Development Tools FRAM 2 click MIKROE-2768 Mikroe 1: $79.00 5In Stock	Mfr. Part # MIKROE-2768 Mouser Part # 932-MIKROE-2768	Mikroe	Memory IC Development Tools FRAM 2 click Learn More about Mikroe sensor click boards	Datasheet	5In Stock	$79.00	Min.: 1 Mult.: 1	Add-On Boards	Memory IC Development Tools			4 Mbit	GPIO, SPI
Memory IC Development Tools Flash 12 Click MIKROE-6036 Mikroe 1: $11.00 8In Stock	Mfr. Part # MIKROE-6036 Mouser Part # 932-MIKROE-6036	Mikroe	Memory IC Development Tools Flash 12 Click	Datasheet	8In Stock	$11.00	Min.: 1 Mult.: 1	Add-On Boards	Memory IC Development Tools			4 Mbit	SPI
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: $20.61 661In 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	661In Stock	$20.61 $19.11 $18.51 $17.65 View $17.21 $16.95 $16.51 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: $13.24 889In Stock	Mfr. Part # CY7C1049GN-10VXI Mouser Part # 727-CY7C1049GN-10VXI	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	889In Stock	$13.24 $12.18 $11.84 $11.61 View $11.33 $10.97 $10.70 $9.01 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT		4 Mbit	Parallel
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXIT CY7C1049GN-10VXIT Infineon Technologies 1: $13.24 868In Stock 272Expected 11/30/2026	Mfr. Part # CY7C1049GN-10VXIT Mouser Part # 727-CY7C1049GN10VXIT	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	868In Stock 272Expected 11/30/2026	Cut Tape $13.24 $12.30 $11.92 $11.64 Reel $10.69 View $11.35 $10.98 $10.55 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 305In 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	305In 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
NOR Flash 4M (256K x 16) 55ns SST39LF400A-55-4C-B3KE Microchip Technology 1: $2.55 267In Stock NRND	Mfr. Part # SST39LF400A-55-4C-B3KE Mouser Part # 804-39LF400A55CB3KE NRND	Microchip Technology	NOR Flash 4M (256K x 16) 55ns	Datasheet	267In Stock	$2.55 $2.33 $1.98	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	TFBGA-48	4 Mbit	Parallel
NOR Flash 256K X 16 70ns SST39VF400A-70-4I-EKE Microchip Technology 1: $2.54 492In Stock NRND	Mfr. Part # SST39VF400A-70-4I-EKE Mouser Part # 804-39VF400A7IEKE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	492In Stock	$2.54 $2.32 $1.96	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
F-RAM 4Mbit FeRAM with QSPI interface - SOIC16 T&R MB85RQ4MLPF-G-BCERE1 RAMXEED 1: $31.92 9In Stock	Mfr. Part # MB85RQ4MLPF-G-BCERE1 Mouser Part # 249-85RQ4MLPFGBCERE1	RAMXEED	F-RAM 4Mbit FeRAM with QSPI interface - SOIC16 T&R Learn More about RAMXEED mb85rqx quad spi compatible ferams	Datasheet	9In Stock	Cut Tape $31.92 $29.55 $28.61 $27.91 View Reel $25.64 $27.21 $26.31 $25.64 MouseReel Available	Min.: 1 Mult.: 1 : 500		FRAM	SMD/SMT	SOP-16	4 Mbit	Quad SPI
NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C) GD25Q40ETIGR GigaDevice 1: $0.53 A tariff of 38% may be applied if shipping to the United States. 2,606In Stock	Mfr. Part # GD25Q40ETIGR Mouser Part # 363-GD25Q40ETIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C)		2,606In Stock	Cut Tape $0.53 $0.503 $0.49 $0.48 View Reel $0.434 $0.47 $0.456 $0.446 $0.435 $0.434 A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 3,000		NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ TR Winbond 1: $2.08 21In Stock	Mfr. Part # W25Q40RVZPJQ TR Mouser Part # 454-W25Q40RVZPJGTR	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		21In Stock	Cut Tape $2.08 Reel $2.08 MouseReel Available	Min.: 1 Mult.: 1 : 5,000		NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVZPJQ Winbond 1: $1.95 21In Stock	Mfr. Part # W25Q40RVZPJQ Mouser Part # 454-W25Q40RVZPJQ	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		21In Stock	$1.95	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
EEPROM 4-Mbit serial SPI bus EEPROM M95M04-DRDW6TP STMicroelectronics 1: $3.64 A tariff of 38% may be applied if shipping to the United States. 64In Stock 8,000On Order	Mfr. Part # M95M04-DRDW6TP Mouser Part # 511-M95M04-DRDW6TP	STMicroelectronics	EEPROM 4-Mbit serial SPI bus EEPROM Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	64In Stock 8,000On Order On Order Ship Dates Mfr. #: M95M04-DRDW6TP Stock: 64 Can Ship Immediately On Order: 4,000 Expected 11/9/2026 4,000 Expected 7/5/2027 Factory Lead-Time: 36 Weeks	Cut Tape $3.64 $3.40 $3.30 $3.22 View Reel $2.78 $3.15 $3.05 $2.97 $2.90 $2.78 MouseReel Available A tariff of 38% may be applied if shipping to the United States.	Min.: 1 Mult.: 1 : 4,000		EEPROM	SMD/SMT	TSSOP-8	4 Mbit	SPI
EEPROM 8-SOIC(3.9 x 4.9 mm) 25CSM04-I/SN Microchip Technology 1: $2.20 31In Stock 1,700On Order	Mfr. Part # 25CSM04-I/SN Mouser Part # 579-25CSM04-I/SN	Microchip Technology	EEPROM 8-SOIC(3.9 x 4.9 mm) Learn More about Microchip Technology microchip 25csm4 serial eeproms	Datasheet	31In Stock 1,700On Order On Order Ship Dates Mfr. #: 25CSM04-I/SN Stock: 31 Can Ship Immediately On Order: 800 Pending 900 Expected 3/15/2027 Factory Lead-Time: 20 Weeks	$2.20 $2.16 $2.15 $2.07 $2.06	Min.: 1 Mult.: 1		EEPROM	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE Microchip Technology 1: $1.22 577In Stock	Mfr. Part # SST25VF040B-50-4I-S2AE Mouser Part # 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	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE-T Microchip Technology 1: $1.18 977In Stock 2,100Expected 1/11/2027	Mfr. Part # SST25VF040B-50-4I-S2AE-T Mouser Part # 579-25VF40B504IS2AET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	977In Stock 2,100Expected 1/11/2027	Cut Tape $1.18 Reel $1.09 MouseReel Available	Min.: 1 Mult.: 1 : 2,100		NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040B-40I/SN Microchip Technology 1: $1.06 257In Stock	Mfr. Part # SST25WF040B-40I/SN Mouser Part # 579-25WF040B-40I/SN	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	257In Stock	$1.06 $1.05 $1.04	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 SST25PF040C-40E/MF Microchip Technology 1: $2.06 226In Stock	Mfr. Part # SST25PF040C-40E/MF Mouser Part # 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	$2.06 $1.74	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz SST25VF040B-50-4C-SAF Microchip Technology 1: $1.12 854In Stock 2,500Expected 1/18/2027	Mfr. Part # SST25VF040B-50-4C-SAF Mouser Part # 579-SST25VF040B504CS	Microchip Technology	NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz	Datasheet	854In Stock 2,500Expected 1/18/2027	$1.12 $1.08 $1.04	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC SST26VF040A-80E/SN Microchip Technology 1: $1.25 272In Stock	Mfr. Part # SST26VF040A-80E/SN Mouser Part # 579-ST26VF040AT80EMF	Microchip Technology	NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC	Datasheet	272In Stock	$1.25 $1.21 $1.18	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI, SQI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC SST26WF040B-104I/SN Microchip Technology 1: $1.04 798In Stock	Mfr. Part # SST26WF040B-104I/SN Mouser Part # 579-ST26WF040B104ISN	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC Learn More about Microchip Technology sst sst26 flash memory	Datasheet	798In Stock	$1.04 $1.03 $1.02 $1.01	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
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 # AT25SF041B-MHB-T Mouser Part # 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	SPI