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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 (HKD) 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 FLASH MEMORY 4M (512Kx8) 50MHz SST25VF040B-50-4C-SAF Microchip Technology 1: HK$9.86 889In Stock 2,500Expected 19/11/2026	Mfr. Part No. SST25VF040B-50-4C-SAF Mouser Part No 579-SST25VF040B504CS	Microchip Technology	NOR Flash FLASH MEMORY 4M (512Kx8) 50MHz	Datasheet	889In Stock 2,500Expected 19/11/2026	HK$9.86 HK$9.54 HK$9.12	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: HK$10.28 277In 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	277In Stock	HK$10.28 HK$9.95 HK$9.70	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI, SQI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC SST26WF040B-104I/SN Microchip Technology 1: HK$9.12 101In Stock	Mfr. Part No. SST26WF040B-104I/SN Mouser Part No 579-ST26WF040B104ISN	Microchip Technology	NOR Flash 4Mb SQI Flash Memory 1.8V 8 SOIC Learn More about Microchip Technology sst sst26 flash memory	Datasheet	101In Stock	HK$9.12 HK$8.88 HK$8.47	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-MAHN-T Renesas / Dialog 1: HK$6.99 1,927In Stock 5,000Expected 18/2/2028	Mfr. Part No. AT25FF041A-MAHN-T Mouser Part No 724-AT25FF041AMAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	1,927In Stock 5,000Expected 18/2/2028	Cut Tape HK$6.99 HK$6.55 HK$6.38 HK$6.25 View Reel HK$5.47 HK$6.11 HK$5.93 HK$5.79 HK$5.65 HK$5.47 MouseReel Available	Min.: 1 Mult.: 1 : 5,000		NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, 5x6 UDFN (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MHB-T Renesas / Dialog 1: HK$8.96 212In Stock	Mfr. Part No. AT25SF041B-MHB-T Mouser Part No 724-AT25SF041B-MHB-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, 5x6 UDFN (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	212In Stock	Cut Tape HK$8.96 HK$8.38 HK$8.16 HK$7.99 View Reel HK$7.04 HK$7.81 HK$7.58 HK$7.40 HK$7.22 HK$7.04 HK$7.04	Min.: 1 Mult.: 1 : 6,000		NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-MHNHR-T Renesas / Dialog 1: HK$19.97 1,448In Stock	Mfr. Part No. AT25XE041B-MHNHR-T Mouser Part No 724-AT25XE041BMHNHRT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 125C, DFN 5x6 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	1,448In Stock	Cut Tape HK$19.97 HK$18.66 HK$18.08 HK$17.67 View Reel HK$15.54 HK$17.26 HK$16.77 HK$16.44 HK$16.11 HK$15.54 HK$15.54	Min.: 1 Mult.: 1 : 6,000		NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM CY14B104M-ZSP45XI Infineon Technologies 1: HK$406.89 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	HK$406.89 HK$376.15 HK$349.02 HK$339.24 View HK$330.28 HK$324.03 Quote	Min.: 1 Mult.: 1		NVRAM	SMD/SMT	TSOP-II-54	4 Mbit
Memory IC Development Tools OTHER RAM CY15FRAMKIT-002 Infineon Technologies 1: HK$94.04 24In Stock	Mfr. Part No. CY15FRAMKIT-002 Mouser Part No 727-CY15FRAMKIT-002	Infineon Technologies	Memory IC Development Tools OTHER RAM	Datasheet	24In Stock	HK$94.04	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: HK$150.75 13In Stock 470Expected 19/11/2026	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	13In Stock 470Expected 19/11/2026	HK$150.75 HK$139.99 HK$135.30 HK$130.53 View HK$127.33 HK$123.96	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC CY62146G30-45ZSXA Infineon Technologies 1: HK$49.48 3In 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	3In Stock	HK$49.48 HK$46.11 HK$44.72 HK$43.65 View HK$42.58 HK$41.10	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM MoBL SRAM 4-Mbit CY621472G30-45ZSXI Infineon Technologies 1: HK$51.70 2In Stock 270Expected 22/10/2026	Mfr. Part No. CY621472G30-45ZSXI Mouser Part No 727-CY621472G30-45ZS	Infineon Technologies	SRAM MoBL SRAM 4-Mbit	Datasheet	2In Stock 270Expected 22/10/2026	HK$51.70 HK$48.17 HK$46.69 HK$45.62 View HK$45.21 HK$42.83 HK$40.28 HK$38.39 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1041G-10VXIT Infineon Technologies 1: HK$58.20 136In Stock	Mfr. Part No. CY7C1041G-10VXIT Mouser Part No 727-CY7C1041G-10VXIT	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	136In Stock	Cut Tape HK$58.20 HK$54.25 HK$52.61 HK$51.38 Reel HK$47.18 View HK$50.14 HK$48.50 HK$42.33 Quote	Min.: 1 Mult.: 1 : 500		SRAM	SMD/SMT	SOJ-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10ZSXA Infineon Technologies 1: HK$100.53 49In Stock	Mfr. Part No. CY7C1041G30-10ZSXA Mouser Part No 727-CY7C1041G300ZSXA	Infineon Technologies	SRAM ASYNC	Datasheet	49In Stock	HK$100.53 HK$93.38 HK$90.50 HK$88.37 View HK$77.93 HK$75.54 HK$73.65 HK$72.34 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1041G30-10BVXIT Infineon Technologies 1: HK$57.54 34In Stock	Mfr. Part No. CY7C1041G30-10BVXIT Mouser Part No 727-CY7C1041G3010BVI	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	34In Stock	Cut Tape HK$57.54 HK$53.59 HK$51.95 HK$50.72 View Reel HK$44.22 HK$49.57 HK$47.92 HK$46.77 HK$45.62 HK$44.22	Min.: 1 Mult.: 1 : 2,000		SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC CY7C1041G30-10BAJXE Infineon Technologies 1: HK$125.77 14In Stock	Mfr. Part No. CY7C1041G30-10BAJXE Mouser Part No 727-CY7C1041G30BAJXE	Infineon Technologies	SRAM ASYNC	Datasheet	14In Stock	HK$125.77 HK$116.81 HK$113.19 HK$110.48 View HK$107.76 HK$101.11	Min.: 1 Mult.: 1		SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC CY7C1041GN-10ZSXI Infineon Technologies 1: HK$50.88 305In Stock	Mfr. Part No. CY7C1041GN-10ZSXI Mouser Part No 727-CY7C1041GN10ZSXI	Infineon Technologies	SRAM ASYNC	Datasheet	305In Stock	HK$50.88 HK$47.43 HK$46.03 HK$44.96 View HK$43.40 HK$42.33 HK$41.26 HK$37.32 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049G30-10VXIT Infineon Technologies 1: HK$57.54 121In Stock 500On Order	Mfr. Part No. CY7C1049G30-10VXIT Mouser Part No 727-CY7C1049G3010VIT	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress fast async sram	Datasheet	121In Stock 500On Order	Cut Tape HK$57.54 HK$53.59 HK$51.95 HK$50.72 View Reel HK$44.63 HK$49.57 HK$47.92 HK$44.63	Min.: 1 Mult.: 1 : 500		SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10VXI Infineon Technologies 1: HK$49.16 16In Stock	Mfr. Part No. CY7C1049GN30-10VXI Mouser Part No 727-CY7C1049GN3010VX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	16In Stock	HK$49.16 HK$45.95 HK$41.10 HK$40.20 Quote Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
NOR Flash 512K x 8 7 us SST25VF040B-50-4C-S2AF Microchip Technology 1: HK$10.03 220In Stock 1,440On Order	Mfr. Part No. SST25VF040B-50-4C-S2AF Mouser Part No 804-25VF040B5CS2AF	Microchip Technology	NOR Flash 512K x 8 7 us	Datasheet	220In Stock 1,440On Order On Order Ship Dates Mfr. No: SST25VF040B-50-4C-S2AF Stock: 220 Can Dispatch Immediately On Order: 720 Expected 2/10/2026 720 Expected 26/10/2026 Factory Lead Time: 21 Weeks	HK$10.03 HK$9.78 HK$9.29	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 512K X 8 14 us SST25VF040B-50-4I-QAF Microchip Technology 1: HK$12.74 7In Stock	Mfr. Part No. SST25VF040B-50-4I-QAF Mouser Part No 804-25VF040B5IQAF	Microchip Technology	NOR Flash 512K X 8 14 us	Datasheet	7In Stock	HK$12.74 HK$12.33 HK$11.84	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-S2AF Microchip Technology 1: HK$10.03 567In Stock	Mfr. Part No. SST25VF040B-50-4I-S2AF Mouser Part No 804-25VF040B5IS2AF	Microchip Technology	NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial	Datasheet	567In Stock	HK$10.03 HK$9.78 HK$9.29	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI
NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial SST25VF040B-50-4I-SAF Microchip Technology 1: HK$9.86 1,174In Stock	Mfr. Part No. SST25VF040B-50-4I-SAF Mouser Part No 804-25VF040B5ISAF	Microchip Technology	NOR Flash 4M (512Kx8) 50MHz 2.7-3.6V Industrial	Datasheet	1,174In Stock	HK$9.86 HK$9.54 HK$9.12	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev IS25LP040E-JBLE ISSI 1: HK$12.74 4,011In Stock 11,349On Order	Mfr. Part No. IS25LP040E-JBLE Mouser Part No 870-IS25LP040E-JBLE	ISSI	NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev Learn More about ISSI is25 memory	Datasheet	4,011In Stock 11,349On Order On Order Ship Dates Mfr. No: IS25LP040E-JBLE Stock: 4,011 Can Dispatch Immediately On Order: 8,559 Expected 15/10/2026 2,790 Expected 16/11/2026 Factory Lead Time: 52 Weeks	HK$12.74 HK$12.00 HK$11.67 HK$11.43 HK$11.18	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
MRAM IC RAM 4Mb Quad SPI in 8-DFN 133 MHz EM004LXQBDH13CS2T Everspin Technologies 1: HK$154.13 895In Stock	Mfr. Part No. EM004LXQBDH13CS2T Mouser Part No 936-M004LXQBDH13CS2T	Everspin Technologies	MRAM IC RAM 4Mb Quad SPI in 8-DFN 133 MHz Learn More about Everspin Technologies everspin emxxlx mram memory devices	Datasheet	895In Stock	HK$154.13 HK$142.95 HK$138.51 HK$135.14 View HK$131.85 HK$127.49 HK$124.20 Quote	Min.: 1 Mult.: 1		MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
NOR Flash Serial NOR 2.5V/3V 4Mbit x2 I/O SOP-8 209mil MX25V40066M2I02-TR Macronix 1: HK$5.10 1,559In Stock	Mfr. Part No. MX25V40066M2I02-TR Mouser Part No 95-25V40066M2I02TR	Macronix	NOR Flash Serial NOR 2.5V/3V 4Mbit x2 I/O SOP-8 209mil	Datasheet	1,559In Stock	Cut Tape HK$5.10 HK$4.71 HK$4.58 HK$4.49 View Reel HK$3.90 HK$4.39 HK$4.26 HK$4.16 HK$4.06 HK$3.90	Min.: 1 Mult.: 1 : 2,000		NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI