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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 Type	Mounting Style	Package/Case	Memory Size	Organisation	Interface Type	Minimum Operating Temperature	Maximum Operating Temperature	Qualification	Packaging
NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash SST39VF040-70-4C-TU-T Microchip Technology 1: £1.76 1,137In Stock New Product	Mfr. Part No. SST39VF040-70-4C-TU-T Mouser Part No 579-S39VF040704CTUT New Product	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	1,137In Stock	Cut Tape £1.76 Reel £1.62	Min.: 1 Mult.: 1 : 1,500	NOR Flash	SMD/SMT	TSSOP-32	4 Mbit	512 k x 8		0 C	+ 70 C		Reel, Cut Tape
F-RAM FRAM Excelon Ultra CY15V104QSN-108SXI Infineon Technologies 1: £24.12 1,012In Stock	Mfr. Part No. CY15V104QSN-108SXI Mouser Part No 727-CY15V104QS108SXI	Infineon Technologies	F-RAM FRAM Excelon Ultra Learn More about Infineon Technologies cypress excelon fram	Datasheet	1,012In Stock	£24.12 £22.33 £21.62 £20.61 View £20.09 £19.18 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	Quad SPI	- 40 C	+ 85 C		Tube
SRAM ASYNC CY7C1041GN30-10BVXI Infineon Technologies 1: £7.21 2,895In Stock	Mfr. Part No. CY7C1041GN30-10BVXI Mouser Part No 727-CY7C1041GN30BVXI	Infineon Technologies	SRAM ASYNC	Datasheet	2,895In Stock	£7.21 £6.77 £6.60 £6.48 View £6.22 £5.62 £4.84	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Tray
SRAM ASYNC SRAMS CY7C1049G-10VXIT Infineon Technologies 1: £12.81 2,162In Stock	Mfr. Part No. CY7C1049G-10VXIT Mouser Part No 727-CY7C1049G-10VXIT	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress fast async sram	Datasheet	2,162In Stock	Cut Tape £12.81 £11.89 £11.53 £11.25 Reel £10.35 View £10.97 £10.62 £10.08 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	SRAM	SMD/SMT	SOJ-36	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM 70V631S12PRFGI Renesas Electronics 1: £279.05 273In Stock	Mfr. Part No. 70V631S12PRFGI Mouser Part No 972-70V631S12PRFGI	Renesas Electronics	SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM	Datasheet	273In Stock	£279.05 £256.58	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TQFP-128	4 Mbit	256 k x 18	Parallel	- 40 C	+ 85 C		Tray
SRAM 4Mb 3V 45ns 256K x 16 LP SRAM CY62147EV30LL-45BVXI Infineon Technologies 1: £4.46 6,589In Stock	Mfr. Part No. CY62147EV30LL-45BVXI Mouser Part No 727-CY47EV30LL45BVXI	Infineon Technologies	SRAM 4Mb 3V 45ns 256K x 16 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	6,589In Stock	£4.46 £4.16 £4.03 £3.94 View £3.84 £3.73 £3.62 £3.54 £3.14	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Tray
NVRAM 4Mb 3V 25ns 256K x 16 nvSRAM CY14B104NA-ZS25XI Infineon Technologies 1: £41.10 723In Stock	Mfr. Part No. CY14B104NA-ZS25XI Mouser Part No 727-CY14B104NAZS25XI	Infineon Technologies	NVRAM 4Mb 3V 25ns 256K x 16 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	723In Stock	£41.10 £37.98 £36.75 £35.84 View £34.55 £33.96 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	TSOP-II-44	4 Mbit	256 k x 16		- 40 C	+ 85 C		Tray
SRAM CMOS RAM W ECC 4-Mbit CY7C1041G-10ZSXI Infineon Technologies 1: £11.95 2,088In Stock	Mfr. Part No. CY7C1041G-10ZSXI Mouser Part No 727-CY7C1041G-10ZSXI	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	2,088In Stock	£11.95 £11.10 £10.76 £10.50 View £10.25 £9.91 £9.66 £9.41 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Tray
SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM 71V416L12BEGI8 Renesas Electronics 1: £10.35 1,094In Stock	Mfr. Part No. 71V416L12BEGI8 Mouser Part No 972-71V416L12BEGI8	Renesas Electronics	SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	1,094In Stock	Cut Tape £10.35 £9.62 £9.32 £9.10 View Reel £6.91 £8.88 £8.59 £8.37 £8.16 £6.91 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SRAM	SMD/SMT	CABGA-48	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM 4Mb 3V 55ns 512K x 8 LP SRAM CY62148EV30LL-55SXI Infineon Technologies 1: £4.63 935In Stock 500Expected 19/11/2026	Mfr. Part No. CY62148EV30LL-55SXI Mouser Part No 727-C2148EV30LL55SXI	Infineon Technologies	SRAM 4Mb 3V 55ns 512K x 8 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	935In Stock 500Expected 19/11/2026	£4.63 £4.31 £4.18 £4.09 View £3.99 £3.86 £3.75 £3.66 £3.57	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C		Tube
SRAM 4Mb 45ns 512K x 8 Low Power SRAM CY62148ELL-45ZSXIT Infineon Technologies 1: £5.36 1,214In Stock	Mfr. Part No. CY62148ELL-45ZSXIT Mouser Part No 727-CY2148ELL45ZSXIT	Infineon Technologies	SRAM 4Mb 45ns 512K x 8 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	1,214In Stock	Cut Tape £5.36 £4.99 £4.85 £4.72 View Reel £3.91 £4.61 £4.46 £4.35 £3.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-32	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM 4Mb 45ns 256K x 16 Low Power SRAM CY62146ESL-45ZSXIT Infineon Technologies 1: £4.64 1,029In Stock	Mfr. Part No. CY62146ESL-45ZSXIT Mouser Part No 727-CY62146ESL45ZSX	Infineon Technologies	SRAM 4Mb 45ns 256K x 16 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	1,029In Stock	Cut Tape £4.64 £4.32 £4.20 £4.10 Reel £3.68 View £4.00 £3.88 £3.78 £3.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM 4Mb 3V 45ns 256K x 16 LP SRAM CY62147EV30LL-45BVXIT Infineon Technologies 1: £4.47 2,000In Stock	Mfr. Part No. CY62147EV30LL-45BVXIT Mouser Part No 727-CY62147EV45BVXIT	Infineon Technologies	SRAM 4Mb 3V 45ns 256K x 16 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	2,000In Stock	Cut Tape £4.47 £4.16 £4.04 £3.95 View Reel £3.45 £3.85 £3.73 £3.63 £3.54 £3.45 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SRAM	SMD/SMT	VFBGA-48	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM ASYNC SRAMS CY7C1041G30-10ZSXIT Infineon Technologies 1: £11.38 1,295In Stock	Mfr. Part No. CY7C1041G30-10ZSXIT Mouser Part No 727-CY7C1041G3010ZSI	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	1,295In Stock	Cut Tape £11.38 £10.57 £10.25 £10.00 View Reel £8.97 £9.76 £9.44 £9.20 £8.97 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM CMOS RAM W ECC 4-Mbit CY7C1041GE30-10ZSXI Infineon Technologies 1: £11.38 744In Stock	Mfr. Part No. CY7C1041GE30-10ZSXI Mouser Part No 727-CY7C1041GE3010ZS	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit	Datasheet	744In Stock	£11.38 £10.57 £10.25 £10.00 View £9.76 £9.44 £9.20 £8.97 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Tray
SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM 71V416S12PHG Renesas Electronics 1: £9.14 260In Stock	Mfr. Part No. 71V416S12PHG Mouser Part No 972-71V416S12PHG	Renesas Electronics	SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	260In Stock	£9.14 £8.49 £8.23 £8.03 View £7.80 £7.60 £7.26 £7.08 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	0 C	+ 70 C		Tray
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SSHN-T Renesas / Dialog 1: £1.37 3,502In Stock	Mfr. Part No. AT25PE40-SSHN-T Mouser Part No 988-AT25PE40-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	3,502In Stock	Cut Tape £1.37 £1.29 £1.26 £1.22 View Reel £1.10 £1.20 £1.15 £1.13 £1.10 £1.10 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash AT45DB041E-MHN2B-T Renesas / Dialog 1: £1.58 2,974In Stock	Mfr. Part No. AT45DB041E-MHN2B-T Mouser Part No 988-AT45DB041EMHN2BT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, DFN 5x6 (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,974In Stock	Cut Tape £1.58 £1.48 £1.44 £1.41 View Reel £1.09 £1.38 £1.34 £1.31 £1.27 £1.09 £1.09 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/NP Microchip Technology 1: £1.05 6,223In Stock	Mfr. Part No. SST25WF040BT-40I/NP Mouser Part No 579-25WF040BT-40I/NP	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	6,223In Stock	Cut Tape £1.05 Reel £0.986 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
NOR Flash 256K X 16 70ns SST39VF400A-70-4I-B3KE Microchip Technology 1: £1.48 4,411In Stock NRND	Mfr. Part No. SST39VF400A-70-4I-B3KE Mouser Part No 804-39VF400A7IB3KE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	4,411In Stock	£1.48 £1.37 £1.20 £1.16	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TFBGA-48	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Tray
NOR Flash spiFlash, 1.8V 4M-bit, 4Kb Uniform Sector W25Q40EWSNIG TR Winbond 1: £1.56 2,500In Stock	Mfr. Part No. W25Q40EWSNIG TR Mouser Part No 454-W25Q40EWSNIGTR	Winbond	NOR Flash spiFlash, 1.8V 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor	Datasheet	2,500In Stock	Cut Tape £1.56 Reel £1.56 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	512 k x 8	SPI	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock M95M04-DWDW4TP/V STMicroelectronics 1: £4.69 3,148In Stock	Mfr. Part No. M95M04-DWDW4TP/V Mouser Part No 511-M95M04-DWDW4TP/V	STMicroelectronics	EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	3,148In Stock	Cut Tape £4.69 £4.41 £4.27 £4.14 View Reel £3.54 £4.04 £3.76 £3.68 £3.54 £3.54 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 Mbit	512 x 8	SPI	- 40 C	+ 145 C	AEC-Q100	Reel, Cut Tape, MouseReel
SRAM 4Mb 45ns 256K x 16 Low Power SRAM CY62146ELL-45ZSXIT Infineon Technologies 1: £4.64 1,057In Stock	Mfr. Part No. CY62146ELL-45ZSXIT Mouser Part No 727-CY2146ELL45ZSXIT	Infineon Technologies	SRAM 4Mb 45ns 256K x 16 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	1,057In Stock	Cut Tape £4.64 £4.32 £4.20 £4.10 Reel £3.77 View £4.00 £3.88 £3.78 £3.58 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM MICROPOWER SRAMS CY62147G30-45ZSXIT Infineon Technologies 1: £4.51 835In Stock	Mfr. Part No. CY62147G30-45ZSXIT Mouser Part No 727-CY62147G3045ZSIT	Infineon Technologies	SRAM MICROPOWER SRAMS	Datasheet	835In Stock	Cut Tape £4.51 £4.21 £4.08 £3.99 Reel £3.57 View £3.88 £3.77 £3.68 £3.48 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	256 k x 16	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel
SRAM ASYNC SRAMS CY7C1049GN30-10ZSXIT Infineon Technologies 1: £8.92 1,255In Stock	Mfr. Part No. CY7C1049GN30-10ZSXIT Mouser Part No 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape £8.92 £8.28 £8.02 £7.84 View Reel £7.02 £7.64 £7.39 £7.21 £7.02 Quote MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	512 k x 8	Parallel	- 40 C	+ 85 C		Reel, Cut Tape, MouseReel