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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 (SGD) 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: $3.56 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 $3.56 Reel $3.28	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: $3.67 366In Stock 480Expected 28/9/2026	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 28/9/2026	$3.67 $3.55 $3.41	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
SRAM 4M (512Kx8) 25ns Async SRAM IS61C5128AS-25HLI ISSI 1: $12.57 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	$12.57 $11.68 $11.33 $11.06 $10.80	Min.: 1 Mult.: 1		SRAM	SMD/SMT	sTSOP-32	4 Mbit	Parallel
SRAM 4Mb 256Kx16 10ns Async SRAM 3.3v IS61WV25616BLL-10TL ISSI 1: $10.96 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	$10.96 $10.20 $9.89 $9.66 $9.33	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: $11.11 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 $11.11 $10.34 $10.02 $9.79 $9.56 Reel $9.56 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: $14.96 8In Stock	Mfr. Part No. MIKROE-6036 Mouser Part No 932-MIKROE-6036	Mikroe	Memory IC Development Tools Flash 12 Click	Datasheet	8In Stock	$14.96	Min.: 1 Mult.: 1	Add-On Boards	Memory IC Development Tools			4 Mbit	SPI
F-RAM FRAM CY15B204QN-40SXE Infineon Technologies 1: $30.71 62In Stock 1,880Expected 22/10/2026	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	62In Stock 1,880Expected 22/10/2026	$30.71 $28.48 $27.59 $26.66 View $25.99 $25.34 $25.12	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
NVRAM 4096k Nonvolatile SRAM DS1250Y-70+ Analog Devices / Maxim Integrated 1: $286.67 18In Stock	Mfr. Part No. DS1250Y-70+ Mouser Part No 700-DS1250Y-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	18In Stock	$286.67 $263.91 $202.76 $198.94	Min.: 1 Mult.: 1		NVRAM	Through Hole	EDIP-32	4 Mbit	Parallel
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: $24.40 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	$24.40 $22.63 $21.94 $20.92 View $20.40 $20.09 $19.57 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: $4.13 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 $4.13 $3.77 Reel $3.18 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: $3.47 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	$3.47 $3.17 $2.69	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: $3.45 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	$3.45 $3.16 $2.67	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: $43.41 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 $43.41 $40.19 $38.91 $37.96 View Reel $34.87 $37.01 $35.78 $34.87 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: $0.721 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 $0.721 $0.679 $0.662 $0.647 View Reel $0.471 $0.634 $0.616 $0.601 $0.588 $0.471	Min.: 1 Mult.: 1 : 2,000		NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash GD25Q40ETIGR GigaDevice 1: $0.721 2,735In Stock	Mfr. Part No. GD25Q40ETIGR Mouser Part No 363-GD25Q40ETIGR	GigaDevice	NOR Flash		2,735In Stock	Cut Tape $0.721 $0.684 $0.666 $0.653 View Reel $0.59 $0.639 $0.62 $0.607 $0.592 $0.59	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: $2.24 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 $2.24 Reel $2.24 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: $2.19 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	$2.19	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
EPROM 4Mb (256Kx16) OTP 5V 55ns AT27C4096-55JU Microchip Technology 1: $13.06 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 5/10/2026 270 Expected 12/10/2026 Factory Lead Time: 19 Weeks	$13.06 $12.55 $12.08	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: $3.20 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 23/10/2026 800 Expected 2/12/2026 Factory Lead Time: 20 Weeks	$3.20 $3.07 $3.02 $2.96	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: $1.63 1,635In Stock 6,000Expected 25/1/2027	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 25/1/2027	$1.63 $1.58 $1.51	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: $1.66 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	$1.66 $1.62 $1.54	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: $1.54 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	$1.54 $1.50 $1.46	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: $1.54 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	$1.54 $1.50 $1.46	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: $3.73 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	$3.73 $3.59 $3.45	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: $2.61 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	$2.61 $2.50 $2.39	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT		4 Mbit	SPI