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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
NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM CY14B104M-ZSP45XI Infineon Technologies 1: £39.77 3In Stock	Mfr. Part No. CY14B104M-ZSP45XI Mouser Part No 727-CY14B104MZSP45XI	Infineon Technologies	NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM	Datasheet	3In Stock	£39.77 £36.76 £35.58 £34.69 View £33.82 £32.69	Min.: 1 Mult.: 1		NVRAM	SMD/SMT	TSOP-II-54	4 Mbit
Memory IC Development Tools OTHER RAM CY15FRAMKIT-002 Infineon Technologies 1: £8.66 22In Stock	Mfr. Part No. CY15FRAMKIT-002 Mouser Part No 727-CY15FRAMKIT-002	Infineon Technologies	Memory IC Development Tools OTHER RAM	Datasheet	22In Stock	£8.66	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: £15.57 37In Stock 470Expected 24/12/2026	Mfr. Part No. CY15V104QN-50SXI Mouser Part No 727-CY15V104QN-50SXI	Infineon Technologies	F-RAM Excelon LP 50 MHz 8-EIAJ Learn More about Infineon Technologies cypress excelon fram	Datasheet	37In Stock 470Expected 24/12/2026	£15.57 £14.45 £13.99 £13.65 View £13.32 £12.39	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC CY62146G30-45ZSXA Infineon Technologies 1: £5.60 26In Stock	Mfr. Part No. CY62146G30-45ZSXA Mouser Part No 727-CY62146G3045ZSXA	Infineon Technologies	SRAM ASYNC Learn More about Infineon Technologies cypress automotive qualified parts	Datasheet	26In Stock	£5.60 £5.21 £5.05 £4.93 View £4.82 £4.66	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10ZSXA Infineon Technologies 1: £12.52 49In Stock	Mfr. Part No. CY7C1041G30-10ZSXA Mouser Part No 727-CY7C1041G300ZSXA	Infineon Technologies	SRAM ASYNC	Datasheet	49In Stock	£12.52 £11.62 £11.26 £11.00 View £10.73 £10.38 £10.11 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10ZSXE Infineon Technologies 1: £12.85 55In Stock 675Expected 18/02/2027	Mfr. Part No. CY7C1041G30-10ZSXE Mouser Part No 727-CY7C1041G300ZSXE	Infineon Technologies	SRAM ASYNC	Datasheet	55In Stock 675Expected 18/02/2027	£12.85 £11.93 £11.56 £11.28 View £11.00 £10.63 £10.37	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10BAJXE Infineon Technologies 1: £12.60 28In Stock	Mfr. Part No. CY7C1041G30-10BAJXE Mouser Part No 727-CY7C1041G30BAJXE	Infineon Technologies	SRAM ASYNC	Datasheet	28In Stock	£12.60 £11.69 £11.32 £11.05 View £10.78 £10.04	Min.: 1 Mult.: 1		SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10VXI Infineon Technologies 1: £9.09 6In Stock	Mfr. Part No. CY7C1049GN30-10VXI Mouser Part No 727-CY7C1049GN3010VX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	6In Stock	£9.09 £8.44 £8.18 £7.99 View £7.79 £7.53 £7.34	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: £1.96 321In Stock 630Expected 09/11/2026	Mfr. Part No. SST39VF040-70-4C-NHE Mouser Part No 804-39VF0407CNHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	321In Stock 630Expected 09/11/2026	£1.96 £1.89 £1.81	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: £1.96 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 £1.96 Reel £1.75	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: £2.03 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 6In 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	6In 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
NVRAM 4096k Nonvolatile SRAM DS1250Y-70+ Analog Devices / Maxim Integrated 1: £158.26 18In Stock	Mfr. Part No. DS1250Y-70+ Mouser Part No 700-DS1250Y-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	18In Stock	£158.26 £145.69 £111.94 £109.82	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: £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 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	£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 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 £0.398 £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 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	£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