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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
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
F-RAM Excelon LP 50 MHz 8-EIAJ CY15V104QN-50SXI Infineon Technologies 1: $20.74 7In Stock 470Expected 12/24/2026	Mfr. Part # CY15V104QN-50SXI Mouser Part # 727-CY15V104QN-50SXI	Infineon Technologies	F-RAM Excelon LP 50 MHz 8-EIAJ Learn More about Infineon Technologies cypress excelon fram	Datasheet	7In Stock 470Expected 12/24/2026	$20.74 $19.24 $18.64 $18.19 View $17.74 $16.50	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC CY62146G30-45ZSXA Infineon Technologies 1: $7.46 3In Stock	Mfr. Part # CY62146G30-45ZSXA Mouser Part # 727-CY62146G3045ZSXA	Infineon Technologies	SRAM ASYNC Learn More about Infineon Technologies cypress automotive qualified parts	Datasheet	3In Stock	$7.46 $6.94 $6.73 $6.57 View $6.42 $6.21	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10ZSXA Infineon Technologies 1: $16.67 49In Stock	Mfr. Part # CY7C1041G30-10ZSXA Mouser Part # 727-CY7C1041G300ZSXA	Infineon Technologies	SRAM ASYNC	Datasheet	49In Stock	$16.67 $15.48 $15.00 $14.65 View $14.29 $13.82 $13.47 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10ZSXE Infineon Technologies 1: $17.12 55In Stock 675Expected 2/18/2027	Mfr. Part # CY7C1041G30-10ZSXE Mouser Part # 727-CY7C1041G300ZSXE	Infineon Technologies	SRAM ASYNC	Datasheet	55In Stock 675Expected 2/18/2027	$17.12 $15.88 $15.39 $15.02 View $14.65 $14.16 $13.81	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10BAJXE Infineon Technologies 1: $16.78 14In Stock	Mfr. Part # CY7C1041G30-10BAJXE Mouser Part # 727-CY7C1041G30BAJXE	Infineon Technologies	SRAM ASYNC	Datasheet	14In Stock	$16.78 $15.57 $15.08 $14.72 View $14.36 $13.37	Min.: 1 Mult.: 1		SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10VXI Infineon Technologies 1: $12.10 6In Stock	Mfr. Part # CY7C1049GN30-10VXI Mouser Part # 727-CY7C1049GN3010VX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	6In Stock	$12.10 $11.24 $10.90 $10.64 View $10.37 $10.04 $9.78	Min.: 1 Mult.: 1		SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE Microchip Technology 1: $2.61 321In Stock 630Expected 11/9/2026	Mfr. Part # SST39VF040-70-4C-NHE Mouser Part # 804-39VF0407CNHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	321In Stock 630Expected 11/9/2026	$2.61 $2.51 $2.41	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
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 4M (512Kx8) 25ns Async SRAM IS61C5128AS-25HLI ISSI 1: $9.24 1,629In Stock	Mfr. Part # IS61C5128AS-25HLI Mouser Part # 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 # IS61WV25616BLL-10TLI-TR Mouser Part # 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 6In 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	6In 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
NVRAM 4096k Nonvolatile SRAM DS1250Y-70+ Analog Devices / Maxim Integrated 1: $210.79 18In Stock	Mfr. Part # DS1250Y-70+ Mouser Part # 700-DS1250Y-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	18In Stock	$210.79 $194.05 $149.09 $146.28	Min.: 1 Mult.: 1		NVRAM	Through Hole	EDIP-32	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 517In Stock NRND	Mfr. Part # SST39VF400A-70-4I-EKE Mouser Part # 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 # 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 208mil /Industrial(-40? to +85?) /T&R GD25Q40CSIGR GigaDevice 1: $0.53 656In Stock 2,000On Order	Mfr. Part # GD25Q40CSIGR Mouser Part # 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 # GD25Q40ETIGR Mouser Part # 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 # 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 8-SOIC(3.9 x 4.9 mm) 25CSM04-I/SN Microchip Technology 1: $2.35 35In 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	35In Stock 1,700On Order On Order Ship Dates Mfr. #: 25CSM04-I/SN Stock: 35 Can Ship Immediately On Order: 800 Expected 10/28/2026 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 # 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