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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 (GBP) 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: £2.03 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	£2.03 £1.96 £1.89	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
SRAM 4M (512Kx8) 25ns Async SRAM IS61C5128AS-25HLI ISSI 1: £6.94 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	£6.94 £6.45 £6.25 £6.10 £5.96	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: £6.14 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 £6.14 £5.71 £5.53 £5.40 £5.28 Reel £5.28 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: £59.31 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	£59.31	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: £8.26 8In Stock	Mfr. Part No. MIKROE-6036 Mouser Part No 932-MIKROE-6036	Mikroe	Memory IC Development Tools Flash 12 Click	Datasheet	8In Stock	£8.26	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: £15.57 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	£15.57 £14.45 £13.99 £13.65 View £13.32 £12.89 £12.55 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: £9.54 895In Stock	Mfr. Part No. CY7C1049GN-10VXI Mouser Part No 727-CY7C1049GN-10VXI	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	895In Stock	£9.54 £8.86 £8.59 £8.39 View £8.18 £7.91 £7.71 £7.52 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT		4 Mbit	Parallel
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXIT CY7C1049GN-10VXIT Infineon Technologies 1: £9.54 640In Stock 500Expected 11/11/2026	Mfr. Part No. CY7C1049GN-10VXIT Mouser Part No 727-CY7C1049GN10VXIT	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	640In Stock 500Expected 11/11/2026	Cut Tape £9.54 £8.86 £8.59 £8.39 Reel £7.71 View £8.18 £7.91 £7.52 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: £40.76 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	£40.76 £37.68 £36.47 £35.55 View £34.67 £33.50	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: £1.91 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	£1.91 £1.75 £1.48	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: £1.90 492In Stock NRND	Mfr. Part No. SST39VF400A-70-4I-EKE Mouser Part No 804-39VF400A7IEKE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	492In Stock	£1.90 £1.75 £1.48	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: £23.96 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 £23.96 £22.18 £21.48 £20.95 View Reel £19.25 £20.43 £19.76 £19.25 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: £0.398 656In 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	656In Stock	Cut Tape £0.398 £0.375 £0.366 £0.357 View Reel £0.26 £0.35 £0.34 £0.332 £0.325 £0.26	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: £0.398 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 £0.398 £0.378 £0.368 £0.361 View Reel £0.326 £0.353 £0.342 £0.335 £0.327 £0.326	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: £1.56 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 £1.56 Reel £1.56 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: £1.47 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	£1.47	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: £1.76 31In 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	31In Stock 1,700On Order On Order Ship Dates Mfr. No: 25CSM04-I/SN Stock: 31 Can Dispatch Immediately On Order: 800 Expected 28/10/2026 900 Expected 15/03/2027 Factory Lead Time: 20 Weeks	£1.76 £1.69 £1.67 £1.63	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: £0.917 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	£0.917 £0.89 £0.849	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: £0.943 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 £0.943 £0.908 Reel £0.826 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: £0.796 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	£0.796 £0.788 £0.78	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: £0.849 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	£0.849 £0.826 £0.803	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: £0.978 631In Stock 4,200Expected 09/11/2026	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 4,200Expected 09/11/2026	Cut Tape £0.978 £0.934 Reel £0.899 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: £1.55 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	£1.55 £1.31	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: £0.841 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	£0.841 £0.811 £0.78	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: £0.943 272In 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	272In Stock	£0.943 £0.908 £0.882	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI, SQI