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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 Multi-Purpose Flash SST39VF040-70-4C-TU-T Microchip Technology 1: £1.76 1,037In Stock 1,500Expected 23/11/2026 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	1,037In Stock 1,500Expected 23/11/2026	Cut Tape £1.76 Reel £1.62	Min.: 1 Mult.: 1 : 1,500	NOR Flash	SMD/SMT	TSSOP-32	4 Mbit
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 £3.62 £3.53 £3.46 View £3.37 £3.26 £3.20 £3.14 £3.01	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC CY7C1041GN30-10BVXI Infineon Technologies 1: £5.88 2,895In Stock	Mfr. Part No. CY7C1041GN30-10BVXI Mouser Part No 727-CY7C1041GN30BVXI	Infineon Technologies	SRAM ASYNC	Datasheet	2,895In Stock	£5.88 £5.56 £5.45 £5.36 View £5.31 £4.87 £4.84	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049G-10VXIT Infineon Technologies 1: £9.63 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 £9.63 £8.70 £8.59 £8.34 View Reel £7.62 £8.22 £7.76 £7.62 MouseReel Available	Min.: 1 Mult.: 1 : 500	SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM 70V631S12PRFGI Renesas Electronics 1: £279.09 98In Stock	Mfr. Part No. 70V631S12PRFGI Mouser Part No 972-70V631S12PRFGI	Renesas Electronics	SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM	Datasheet	98In Stock	£279.09 £256.58	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TQFP-128	4 Mbit	Parallel
NVRAM 4Mb 3V 25ns 256K x 16 nvSRAM CY14B104NA-ZS25XI Infineon Technologies 1: £30.85 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	£30.85 £29.24 £28.61 £28.13 View £27.61 £27.60 Quote	Min.: 1 Mult.: 1	NVRAM	SMD/SMT	TSOP-II-44	4 Mbit
SRAM CMOS RAM W ECC 4-Mbit CY7C1041G-10ZSXI Infineon Technologies 1: £9.63 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	£9.63 £9.10 £8.89 £8.71 View £8.53 £8.38 £8.23 £7.95	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/NP Microchip Technology 1: £1.05 5,802In 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	5,802In Stock	Cut Tape £1.05 Reel £0.986 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAF-T Microchip Technology 1: £0.882 5,949In 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	5,949In Stock	Cut Tape £0.882 £0.871 Reel £0.826 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: £4.45 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	£4.45 £4.19 £4.09 £4.01 View £3.91 £3.83 £3.75 £3.52 £3.50	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
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	Parallel
SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM 71V424S10PHG Renesas Electronics 1: £8.98 756In Stock	Mfr. Part No. 71V424S10PHG Mouser Part No 972-71V424S10PHG	Renesas Electronics	SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	756In Stock	£8.98 £8.35 £8.09 £7.90 View £7.70 £7.45 £7.26 £7.18 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
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 3,143In 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	3,143In Stock	Cut Tape £4.69 £4.40 £4.27 £4.14 View Reel £3.51 £4.04 £3.76 £3.67 £3.53 £3.51 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 £3.57 View £4.00 £3.88 £3.78 £3.55 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 £3.66 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10ZSXIT Infineon Technologies 1: £6.97 1,255In Stock	Mfr. Part No. CY7C1049GN30-10ZSXIT Mouser Part No 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape £6.97 £6.62 £6.48 £6.13 View Reel £5.92 £5.98 £5.93 £5.92 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 10,343In 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	10,343In Stock	Cut Tape £0.548 £0.512 £0.499 £0.49 View Reel £0.384 £0.479 £0.464 £0.454 £0.443 £0.384 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
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	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: £4.65 2,329In 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	2,329In Stock	£4.65 £3.50 £3.40 £3.35 View £2.67 £2.62	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: £4.77 1,828In 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	1,828In Stock	Cut Tape £4.77 £4.55 £4.46 £4.39 View Reel £3.40 £4.18 £4.05 £3.95 £3.40 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 £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 £0.478 £0.518 £0.502 £0.491 £0.478 £0.478 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
SRAM 4Mb 3V 55ns 512K x 8 LP SRAM CY62148EV30LL-55SXI Infineon Technologies 1: £4.72 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	£4.72 £3.61 £3.51 £3.45 View £3.35 £3.30	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel