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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 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	Parallel
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	Parallel
SRAM 4M (512Kx8) 25ns Async SRAM IS61C5128AS-25HLI ISSI 1: $9.25 1,709In 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	1,709In Stock	$9.25 $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-10TL ISSI 1: $8.06 3,202In Stock	Mfr. Part No. IS61WV25616BLL-10TL Mouser Part No 870-61WV25616BLL10TL	ISSI	SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v Learn More about ISSI asynchronous sram	Datasheet	3,202In Stock	$8.06 $7.50 $7.27 $7.11 $6.86	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v IS61WV25616BLL-10TLI-TR ISSI 1: $8.18 4,644In 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	4,644In Stock	Cut Tape $8.18 $7.61 $7.37 $7.20 $7.04 Reel $7.04 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
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 CY15B204QN-40SXE Infineon Technologies 1: $22.59 45In Stock 1,880Expected 2026/11/12	Mfr. Part No. CY15B204QN-40SXE Mouser Part No 726-CY15B204QN-40SXE	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress excelon fram	Datasheet	45In Stock 1,880Expected 2026/11/12	$22.59 $20.95 $20.29 $19.61 View $19.11 $18.63 $18.47	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
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	Parallel
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: $17.95 679In 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	679In Stock	$17.95 $16.64 $16.13 $15.39 View $15.00 $14.77 $14.40 $13.75 Quote	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF400A-55-4C-EKE-T Microchip Technology 1: $3.04 234In Stock NRND	Mfr. Part No. SST39LF400A-55-4C-EKE-T Mouser Part No 579-39LF400A5CEKET NRND	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	234In Stock	Cut Tape $3.04 $2.77 Reel $2.34 MouseReel Available	Min.: 1 Mult.: 1 : 1,000		NOR Flash	SMD/SMT	TSOP-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 567In Stock NRND	Mfr. Part No. SST39VF400A-70-4I-EKE Mouser Part No 804-39VF400A7IEKE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	567In Stock	$2.54 $2.33 $1.97	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 $26.32 $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 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	SPI
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
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	SPI
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	SPI
EPROM 4Mb (256Kx16) OTP 5V 55ns AT27C4096-55JU Microchip Technology 1: $9.61 108In Stock 617On Order	Mfr. Part No. AT27C4096-55JU Mouser Part No 556-AT27C4096-55JU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 55ns	Datasheet	108In Stock 617On Order On Order Ship Dates Mfr. No: AT27C4096-55JU Stock: 108 Can Dispatch Immediately On Order: 347 Expected 2026/10/05 270 Expected 2026/10/12 Factory Lead Time: 19 Weeks	$9.61 $9.23 $8.89	Min.: 1 Mult.: 1		EPROM	SMD/SMT	PLCC-44	4 Mbit	Parallel
EEPROM 8-SOIC(3.9 x 4.9 mm) 25CSM04-I/SN Microchip Technology 1: $2.35 148In Stock 1,200On 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	148In Stock 1,200On Order On Order Ship Dates Mfr. No: 25CSM04-I/SN Stock: 148 Can Dispatch Immediately On Order: 400 Expected 2026/10/23 800 Expected 2026/12/02 Factory Lead Time: 20 Weeks	$2.35 $2.26 $2.22 $2.17	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-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	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 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	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 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	SPI
NOR Flash 2.7 to 3.6V 4Mbit Multi-Purpose Flash SST39VF401C-70-4I-EKE Microchip Technology 1: $2.74 91In Stock	Mfr. Part No. SST39VF401C-70-4I-EKE Mouser Part No 579-S39VF401C704IEKE	Microchip Technology	NOR Flash 2.7 to 3.6V 4Mbit Multi-Purpose Flash Learn More about Microchip Technology sst superflash memory	Datasheet	91In Stock	$2.74 $2.64 $2.54	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
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	SPI