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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 (USD) 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: $3.06 1,037In Stock 1,500Expected 11/23/2026 New Product	Mfr. Part # SST39VF040-70-4C-TU-T Mouser Part # 579-S39VF040704CTUT New Product	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	1,037In Stock 1,500Expected 11/23/2026	Cut Tape $3.06 Reel $2.80	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: $7.72 6,589In Stock	Mfr. Part # CY62147EV30LL-45BVXI Mouser Part # 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	$7.72 $7.20 $6.98 $6.81 View $6.66 $6.45 $6.28 $6.12 $5.45	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC CY7C1041GN30-10BVXI Infineon Technologies 1: $11.32 2,895In Stock	Mfr. Part # CY7C1041GN30-10BVXI Mouser Part # 727-CY7C1041GN30BVXI	Infineon Technologies	SRAM ASYNC	Datasheet	2,895In Stock	$11.32 $10.66 $10.40 $10.22 View $10.14 $9.39 $7.77 $7.75	Min.: 1 Mult.: 1	SRAM	SMD/SMT	VFBGA-48	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049G-10VXIT Infineon Technologies 1: $20.38 2,162In Stock	Mfr. Part # CY7C1049G-10VXIT Mouser Part # 727-CY7C1049G-10VXIT	Infineon Technologies	SRAM ASYNC SRAMS Learn More about Infineon Technologies cypress fast async sram	Datasheet	2,162In Stock	Cut Tape $20.38 $16.99 $15.34 Reel $15.33 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: $483.20 98In Stock	Mfr. Part # 70V631S12PRFGI Mouser Part # 972-70V631S12PRFGI	Renesas Electronics	SRAM 256Kx18 STD-PWR 3.3V DUAL-PORT RAM	Datasheet	98In Stock	$483.20 $444.29	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: $58.19 723In Stock	Mfr. Part # CY14B104NA-ZS25XI Mouser Part # 727-CY14B104NAZS25XI	Infineon Technologies	NVRAM 4Mb 3V 25ns 256K x 16 nvSRAM Learn More about Infineon Technologies cypress cy14b nvsram	Datasheet	723In Stock	$58.19 $54.70 $53.34 $52.31 View $51.52 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: $17.73 2,088In Stock	Mfr. Part # CY7C1041G-10ZSXI Mouser Part # 727-CY7C1041G-10ZSXI	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	2,088In Stock	$17.73 $16.67 $16.25 $15.90 View $15.55 $15.20 $14.91 $14.51	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: $1.82 5,802In Stock	Mfr. Part # SST25WF040BT-40I/NP Mouser Part # 579-25WF040BT-40I/NP	Microchip Technology	NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash	Datasheet	5,802In Stock	Cut Tape $1.82 Reel $1.70 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: $1.63 5,949In Stock	Mfr. Part # SST25VF040B-50-4I-SAF-T Mouser Part # 579-25VF040B504ISAFT	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	5,949In Stock	Cut Tape $1.63 $1.57 Reel $1.53 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: $7.79 399In Stock	Mfr. Part # CY62146ESL-45ZSXI Mouser Part # 727-CY62146ESL45ZSXI	Infineon Technologies	SRAM 4Mb 45ns 256K x 16 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	399In Stock	$7.79 $7.31 $7.12 $6.98 View $6.81 $6.66 $6.29 $6.16 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM 71V416L12BEGI8 Renesas Electronics 1: $17.93 1,094In Stock	Mfr. Part # 71V416L12BEGI8 Mouser Part # 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 $17.93 $16.65 $16.15 $15.76 View Reel $11.96 $15.37 $14.87 $14.50 $14.13 $11.96 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: $15.56 756In Stock	Mfr. Part # 71V424S10PHG Mouser Part # 972-71V424S10PHG	Renesas Electronics	SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	756In Stock	$15.56 $14.46 $14.01 $13.68 View $13.34 $12.90 $12.58 $12.44 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: $2.70 2,500In Stock	Mfr. Part # W25Q40EWSNIG TR Mouser Part # 454-W25Q40EWSNIGTR	Winbond	NOR Flash spiFlash, 1.8V 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor	Datasheet	2,500In Stock	Cut Tape $2.70 Reel $2.70 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: $8.11 3,143In Stock	Mfr. Part # M95M04-DWDW4TP/V Mouser Part # 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 $8.11 $7.63 $7.40 $7.16 View Reel $6.12 $6.99 $6.51 $6.36 $6.14 $6.12 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: $8.05 1,057In Stock	Mfr. Part # CY62146ELL-45ZSXIT Mouser Part # 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 $8.05 $7.49 $7.27 $7.10 Reel $6.53 View $6.93 $6.71 $6.54 $6.20 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM MICROPOWER SRAMS CY62147G30-45ZSXIT Infineon Technologies 1: $7.81 835In Stock	Mfr. Part # CY62147G30-45ZSXIT Mouser Part # 727-CY62147G3045ZSIT	Infineon Technologies	SRAM MICROPOWER SRAMS	Datasheet	835In Stock	Cut Tape $7.81 $7.28 $7.06 $6.90 Reel $6.34 View $6.73 $6.53 $6.36 $6.24 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1049GN30-10ZSXIT Infineon Technologies 1: $12.95 1,255In Stock	Mfr. Part # CY7C1049GN30-10ZSXIT Mouser Part # 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape $12.95 $12.21 $11.92 $11.39 View Reel $10.83 $11.12 $10.84 $10.83 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: $0.949 10,343In Stock	Mfr. Part # AT25SF041B-SHD-T Mouser Part # 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 $0.949 $0.888 $0.865 $0.848 View Reel $0.685 $0.829 $0.805 $0.787 $0.768 $0.685 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: $2.73 4,411In Stock NRND	Mfr. Part # SST39VF400A-70-4I-B3KE Mouser Part # 804-39VF400A7IB3KE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	4,411In Stock	$2.73 $2.54 $2.09	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: $1.82 6,000In Stock	Mfr. Part # SST26WF040BT-104I/NP Mouser Part # 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 $1.82 Reel $1.70 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: $7.97 2,339In Stock	Mfr. Part # CY621472E30LL-45ZSXI Mouser Part # 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	$7.97 $6.36 $6.19 $6.07 View $5.30 $5.06	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: $8.41 1,828In Stock	Mfr. Part # CY62148ELL-55SXIT Mouser Part # 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 $8.41 $7.83 $7.59 $7.42 Reel $6.66 View $7.24 $7.01 $6.84 $6.49 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: $19.90 805In Stock	Mfr. Part # CY7C1041GE30-10BVXI Mouser Part # 727-CY7C1041GE30-10B	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit	Datasheet	805In Stock	$19.90 $18.49 $17.93 $17.49 View $17.07 $12.48 $12.47 $10.39	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: $1.04 10,157In Stock	Mfr. Part # AT25XE041D-SSHN-T Mouser Part # 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 $1.04 $0.962 $0.936 $0.915 View Reel $0.828 $0.896 $0.87 $0.849 $0.828 $0.828 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: $8.13 935In Stock 500Expected 11/19/2026	Mfr. Part # CY62148EV30LL-55SXI Mouser Part # 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 11/19/2026	$8.13 $6.57 $6.37 $6.25 View $6.10 $5.94 $5.90	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel