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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 Industrial SST39VF040-70-4I-NHE Microchip Technology 1: $2.70 496In Stock	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	496In Stock	$2.70 $2.61 $2.51	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
SRAM 4M (512Kx8) 25ns Async SRAM IS61C5128AS-25HLI ISSI 1: $9.24 1,629In Stock	Mfr. Part No. IS61C5128AS-25HLI Mouser Part No 870-61C5128AS-25HLI	ISSI	SRAM 4M (512Kx8) 25ns Async SRAM Learn More about ISSI asynchronous sram	Datasheet	1,629In Stock	$9.24 $8.59 $8.33 $8.13 $7.94	Min.: 1 Mult.: 1		SRAM	SMD/SMT	sTSOP-32	4 Mbit	Parallel
SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v IS61WV25616BLL-10TLI-TR ISSI 1: $8.17 4,492In Stock	Mfr. Part No. IS61WV25616BLL-10TLI-TR Mouser Part No 87061WV25616BL10TLIT	ISSI	SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v Learn More about ISSI asynchronous sram	Datasheet	4,492In 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 No. MIKROE-2768 Mouser Part No 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 No. MIKROE-6036 Mouser Part No 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: $20.74 663In Stock	Mfr. Part No. CY15B104QN-50SXI Mouser Part No 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 No. CY7C1049GN-10VXI Mouser Part No 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 19/11/2026	Mfr. Part No. CY7C1049GN-10VXIT Mouser Part No 727-CY7C1049GN10VXIT	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	640In Stock 500Expected 19/11/2026	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 No. FM22LD16-55-BG Mouser Part No 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
NOR Flash 4M (256K x 16) 55ns SST39LF400A-55-4C-B3KE Microchip Technology 1: $2.55 267In Stock NRND	Mfr. Part No. SST39LF400A-55-4C-B3KE Mouser Part No 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 517In Stock NRND	Mfr. Part No. SST39VF400A-70-4I-EKE Mouser Part No 804-39VF400A7IEKE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	517In 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 No. MB85RQ4MLPF-G-BCERE1 Mouser Part No 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 208mil /Industrial(-40? to +85?) /T&R GD25Q40CSIGR GigaDevice 1: $0.53 656In Stock 2,000On Order	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	656In Stock 2,000On Order	Cut Tape $0.53 $0.499 $0.487 $0.476 View Reel $0.346 $0.466 $0.453 $0.442 $0.432 $0.346	Min.: 1 Mult.: 1 : 2,000		NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C) GD25Q40ETIGR GigaDevice 1: $0.53 2,631In Stock	Mfr. Part No. GD25Q40ETIGR Mouser Part No 363-GD25Q40ETIGR	GigaDevice	NOR Flash 4Mbit NOR Flash 3.3V SOP8 150mil Industrial(-40C to +85C)		2,631In 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	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 No. W25Q40RVZPJQ TR Mouser Part No 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 No. W25Q40RVZPJQ Mouser Part No 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 8-SOIC(3.9 x 4.9 mm) 25CSM04-I/SN Microchip Technology 1: $2.35 35In Stock 1,700On Order	Mfr. Part No. 25CSM04-I/SN Mouser Part No 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	35In Stock 1,700On Order On Order Ship Dates Mfr. No: 25CSM04-I/SN Stock: 35 Can Dispatch Immediately On Order: 800 Expected 28/10/2026 900 TBD Factory Lead Time: 20 Weeks	$2.35 $2.26 $2.22 $2.18	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 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	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE-T Microchip Technology 1: $1.25 977In Stock 2,100Expected 11/01/2027	Mfr. Part No. SST25VF040B-50-4I-S2AE-T Mouser Part No 579-25VF40B504IS2AET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	977In Stock 2,100Expected 11/01/2027	Cut Tape $1.25 $1.21 Reel $1.10 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 449In 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	449In Stock	$1.06 $1.05 $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, 104MHz, I temp, 8-SOIC SST26VF040A-104I/SN Microchip Technology 1: $1.13 664In Stock 700Expected 26/10/2026	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	664In Stock 700Expected 26/10/2026	$1.13 $1.10 $1.07	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-S2AF-T Microchip Technology 1: $1.30 631In Stock 4,200On Order	Mfr. Part No. SST25VF040B-50-4I-S2AF-T Mouser Part No 579-5VF040B504IS2AFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	631In Stock 4,200On Order	Cut Tape $1.30 $1.24 Reel $1.20 MouseReel Available	Min.: 1 Mult.: 1 : 2,100		NOR Flash	SMD/SMT	SOIJ-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 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	$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 884In Stock 2,500Expected 18/01/2027	Mfr. Part No. SST25VF040B-50-4C-SAF Mouser Part No 579-SST25VF040B504CS	Microchip Technology	NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz	Datasheet	884In Stock 2,500Expected 18/01/2027	$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 277In Stock	Mfr. Part No. SST26VF040A-80E/SN Mouser Part No 579-ST26VF040AT80EMF	Microchip Technology	NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC	Datasheet	277In Stock	$1.25 $1.21 $1.18	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI, SQI