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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	Interface Type
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAF-T Microchip Technology 1: £0.943 5,957In Stock	Mfr. Part No. SST25VF040B-50-4I-SAF-T Mouser Part No 579-25VF040B504ISAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	5,957In Stock	Cut Tape £0.943 £0.908 Reel £0.882 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 45ns 256K x 16 Low Power SRAM CY62146ESL-45ZSXI Infineon Technologies 1: £4.50 405In Stock	Mfr. Part No. CY62146ESL-45ZSXI Mouser Part No 727-CY62146ESL45ZSXI	Infineon Technologies	SRAM 4Mb 45ns 256K x 16 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	405In Stock	£4.50 £4.22 £4.11 £4.03 View £3.94 £3.84 £3.63 £3.56 £3.52	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: £1.04 6,000In Stock	Mfr. Part No. SST26WF040BT-104I/NP Mouser Part No 579-T26WF040BT104INP	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON Learn More about Microchip Technology sst sst26 flash memory	Datasheet	6,000In Stock	Cut Tape £1.04 £1.03 £1.02 £1.01 £0.986 Reel £0.925 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
SRAM 4Mb 3V 45ns 256K x 16 LP SRAM CY621472E30LL-45ZSXI Infineon Technologies 1: £4.60 2,339In Stock	Mfr. Part No. CY621472E30LL-45ZSXI Mouser Part No 727-621472E30L45ZSXI	Infineon Technologies	SRAM 4Mb 3V 45ns 256K x 16 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	2,339In Stock	£4.60 £3.68 £3.57 £3.51 View £3.06 £2.92	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mb 55ns 512K x 8 Low Power SRAM CY62148ELL-55SXIT Infineon Technologies 1: £4.85 1,933In Stock	Mfr. Part No. CY62148ELL-55SXIT Mouser Part No 727-CY62148ELL55SXIT	Infineon Technologies	SRAM 4Mb 55ns 512K x 8 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	1,933In Stock	Cut Tape £4.85 £4.52 £4.38 £4.29 Reel £3.84 View £4.18 £4.05 £3.95 £3.75 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel
SRAM CMOS RAM W ECC 4-Mbit CY7C1041GE30-10BVXI Infineon Technologies 1: £11.50 805In Stock	Mfr. Part No. CY7C1041GE30-10BVXI Mouser Part No 727-CY7C1041GE30-10B	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit	Datasheet	805In Stock	£11.50 £10.68 £10.35 £10.10 View £9.86 £7.21 £7.20 £6.48	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash AT25XE041D-SSHN-T Renesas / Dialog 1: £0.601 10,157In Stock	Mfr. Part No. AT25XE041D-SSHN-T Mouser Part No 988-25XE041D-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	10,157In Stock	Cut Tape £0.601 £0.555 £0.54 £0.528 View Reel £0.461 £0.518 £0.502 £0.491 £0.478 £0.461 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
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	SPI
EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock M95M04-DWDW4TP/V STMicroelectronics 1: £4.69 3,152In 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	3,152In 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	SPI
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	Parallel
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 £3.67 View £3.88 £3.77 £3.68 £3.61 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10ZSXIT Infineon Technologies 1: £7.48 1,255In Stock	Mfr. Part No. CY7C1049GN30-10ZSXIT Mouser Part No 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape £7.48 £7.05 £6.89 £6.57 View Reel £6.25 £6.42 £6.26 £6.25 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-SHD-T Renesas / Dialog 1: £0.548 10,346In Stock	Mfr. Part No. AT25SF041B-SHD-T Mouser Part No 988-AT25SF041BSHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	10,346In Stock	Cut Tape £0.548 £0.512 £0.499 £0.49 View Reel £0.395 £0.479 £0.464 £0.454 £0.443 £0.395 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-SAF-T Microchip Technology 1: £0.856 2,513In Stock	Mfr. Part No. SST25VF040B-50-4C-SAF-T Mouser Part No 579-25VF040B504CSAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	2,513In Stock	Cut Tape £0.856 £0.788 Reel £0.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4M Flash SPI SST25PF040C-40I/MF Microchip Technology 1: £0.969 1,242In Stock	Mfr. Part No. SST25PF040C-40I/MF Mouser Part No 579-SST25PF040C40IMF	Microchip Technology	NOR Flash 4M Flash SPI Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	1,242In Stock	£0.969 £0.943 £0.899	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC, T&R SST26VF040AT-80E/SN Microchip Technology 1: £1.00 5,070In Stock 3,300Expected 09/11/2026	Mfr. Part No. SST26VF040AT-80E/SN Mouser Part No 579-SST26VF080A80EMF	Microchip Technology	NOR Flash 4Mb, 2.3V to 3.6V, SPI,SDI,SQI, 80MHz, E temp, 8-SOIC, T&R	Datasheet	5,070In Stock 3,300Expected 09/11/2026	Cut Tape £1.00 Reel £0.908 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI, SQI
SRAM 4Mb 1.8V 55ns 256K x 16 LP SRAM CY62147EV18LL-55BVXI Infineon Technologies 1: £4.44 1,918In Stock	Mfr. Part No. CY62147EV18LL-55BVXI Mouser Part No 727-C147EV18LL55BVXI	Infineon Technologies	SRAM 4Mb 1.8V 55ns 256K x 16 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	1,918In Stock	£4.44 £4.15 £4.02 £3.94 View £3.68 £3.50 £3.27 £3.22 £3.21	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM 71V416S15PHG Renesas Electronics 1: £9.14 287In Stock	Mfr. Part No. 71V416S15PHG Mouser Part No 972-71V416S15PHG	Renesas Electronics	SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	287In 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	Parallel
SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM 71V424S15PHGI8 Renesas Electronics 1: £9.17 977In Stock	Mfr. Part No. 71V424S15PHGI8 Mouser Part No 972-71V424S15PHGI8	Renesas Electronics	SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	977In Stock	Cut Tape £9.17 £8.84 £8.57 £8.07 View Reel £6.91 £7.86 £7.60 £7.42 £7.08 £6.91 MouseReel Available	Min.: 1 Mult.: 1 : 1,500	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-XMHN-T Renesas / Dialog 1: £1.43 1,693In Stock	Mfr. Part No. AT25DF041B-XMHN-T Mouser Part No 988-AT25DF041BXMHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	1,693In Stock	Cut Tape £1.43 £1.34 £1.31 £1.27 View Reel £1.13 £1.25 £1.20 £1.18 £1.15 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, DFN 5x6 (Tray), Single SPI DataFlash AT45DB041E-MHN-Y Renesas / Dialog 1: £1.60 1,343In Stock	Mfr. Part No. AT45DB041E-MHN-Y Mouser Part No 988-AT45DB041E-MHN-Y	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, DFN 5x6 (Tray), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,343In Stock	£1.60 £1.49 £1.45 £1.41 View £1.39 £1.34 £1.31 £1.10	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
SRAM 4Mb 3V 55ns 512K x 8 LP SRAM CY62148EV30LL-55SXI Infineon Technologies 1: £4.70 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	£4.70 £3.79 £3.68 £3.61 View £3.52 £3.43 £3.40	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel
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	Parallel
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 View Reel £3.19 £4.00 £3.88 £3.78 £3.19 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mb 3V 45ns 256K x 16 LP SRAM CY62147EV30LL-45BVXIT Infineon Technologies 1: £3.64 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 £3.64 £3.43 £3.35 £3.29 View Reel £2.62 £3.22 £3.13 £3.08 £2.67 £2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel