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512 k x 8 Memory ICs

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (SGD) 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: $3.20 1,037In Stock 1,500Expected 26/11/2026 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 26/11/2026	Cut Tape $3.20 Reel $2.92	Min.: 1 Mult.: 1 : 1,500	NOR Flash	SMD/SMT	TSSOP-32	4 Mbit
SRAM ASYNC SRAMS CY7C1049G-10VXIT Infineon Technologies 1: $21.32 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 $21.32 $17.78 $16.05 Reel $16.03 MouseReel Available	Min.: 1 Mult.: 1 : 500	SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
NOR Flash spiFlash, 1.8V 4M-bit, 4Kb Uniform Sector W25Q40EWSNIG TR Winbond 1: $2.83 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 $2.83 Reel $2.83 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC SRAMS CY7C1049GN30-10ZSXIT Infineon Technologies 1: $13.55 1,255In Stock	Mfr. Part No. CY7C1049GN30-10ZSXIT Mouser Part No 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape $13.55 $12.77 $12.47 $11.91 View Reel $11.33 $11.63 $11.34 $11.33 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: $0.993 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 $0.993 $0.929 $0.904 $0.887 View Reel $0.717 $0.868 $0.842 $0.823 $0.804 $0.717 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-50-4I-SAF-T Microchip Technology 1: $1.70 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 $1.70 $1.65 Reel $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
F-RAM 4Kb Serial SPI 3V FRAM FM25L04B-G Infineon Technologies 1: $2.83 3,556In Stock	Mfr. Part No. FM25L04B-G Mouser Part No 877-FM25L04B-G	Infineon Technologies	F-RAM 4Kb Serial SPI 3V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	3,556In Stock	$2.83 $2.24 $2.19 $2.14 View $2.09 $2.05 $2.00 $1.97 $1.82	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-SAF-T Microchip Technology 1: $1.70 2,512In 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	2,512In Stock	Cut Tape $1.70 $1.65 Reel $1.60 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4k, 5.0V EERAM IND 47C04T-I/SN Microchip Technology 1: $1.03 2,681In Stock	Mfr. Part No. 47C04T-I/SN Mouser Part No 579-47C04T-I/SN	Microchip Technology	SRAM 4k, 5.0V EERAM IND Learn More about Microchip Technology microchip 4k 16k eeram memory	Datasheet	2,681In Stock	Cut Tape $1.03 $1.02 Reel $0.956	Min.: 1 Mult.: 1 : 3,300	SRAM	SMD/SMT		4 kbit	I2C
NOR Flash 4M Flash SPI SST25PF040C-40I/MF Microchip Technology 1: $1.88 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	$1.88 $1.82 $1.71	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
F-RAM 4Kb Serial I2C 3V FRAM FM24CL04B-G Infineon Technologies 1: $2.57 9,936In Stock	Mfr. Part No. FM24CL04B-G Mouser Part No 877-FM24CL04B-G	Infineon Technologies	F-RAM 4Kb Serial I2C 3V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	9,936In Stock	$2.57 $2.07 $2.01 $1.94 View $1.90 $1.86 $1.82 $1.80 $1.62	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	I2C
SRAM 512Kx8 ASYNCHRONOUS 3.3V CMOS SRAM 71V424S15PHGI8 Renesas Electronics 1: $16.61 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 $16.61 $16.02 $15.53 $14.61 View Reel $12.51 $14.24 $13.76 $13.44 $12.82 $12.51 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: $2.60 1,678In 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	1,678In Stock	Cut Tape $2.60 $2.43 $2.37 $2.31 View Reel $2.04 $2.26 $2.19 $2.14 $2.09 $2.04 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: $2.90 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	$2.90 $2.71 $2.62 $2.56 View $2.52 $2.43 $2.37 $1.99	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/MF Microchip Technology 1: $2.65 4,821In Stock	Mfr. Part No. SST25PF040CT-40E/MF Mouser Part No 579-T25PF040CT-40EMF	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	4,821In Stock	Cut Tape $2.65 Reel $2.39 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	WDFN-8	4 Mbit	SPI
F-RAM F-RAM Memory Serial CY15E004Q-SXE Infineon Technologies 1: $4.60 881In Stock	Mfr. Part No. CY15E004Q-SXE Mouser Part No 727-CY15E004Q-SXE	Infineon Technologies	F-RAM F-RAM Memory Serial	Datasheet	881In Stock	$4.60 $4.28 $4.19 $4.12 View $3.02 $3.01 $2.99 $2.92	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
NOR Flash S-FLASH MEMORY(4M) LE25U40CMC-AH onsemi 1: $1.69 4,813In Stock	Mfr. Part No. LE25U40CMC-AH Mouser Part No 863-LE25U40CMC-AH	onsemi	NOR Flash S-FLASH MEMORY(4M) Learn More about onsemi le25u40 flash memory	Datasheet	4,813In Stock	Cut Tape $1.69 $1.59 $1.55 $1.51 View Reel $1.06 $1.48 $1.43 $1.39 $1.21 $1.06 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: $1.90 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 $1.90 Reel $1.78 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
SRAM 4Mb 55ns 512K x 8 Low Power SRAM CY62148ELL-55SXIT Infineon Technologies 1: $8.80 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 $8.80 $8.19 $7.94 $7.77 Reel $6.96 View $7.58 $7.33 $7.15 $6.79 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	SOIC-32	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: $1.09 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 $1.09 $1.01 $0.979 $0.957 View Reel $0.866 $0.937 $0.91 $0.888 $0.866 $0.866 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: $8.50 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	$8.50 $6.87 $6.66 $6.54 View $6.38 $6.22 $6.17	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: $9.71 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 $9.71 $9.04 $8.77 $8.55 View Reel $7.09 $8.35 $8.08 $7.87 $7.09 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
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: $2.49 3,501In 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	3,501In Stock	Cut Tape $2.49 $2.34 $2.27 $2.22 View Reel $1.99 $2.16 $2.09 $2.04 $2.00 $1.99 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
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: $2.87 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 $2.87 $2.69 $2.61 $2.56 View Reel $1.97 $2.50 $2.42 $2.37 $2.30 $1.97 $1.97 MouseReel Available	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 85C, 256 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHN2B-T Renesas / Dialog 1: $2.56 3,711In Stock	Mfr. Part No. AT45DB041E-SHN2B-T Mouser Part No 988-AT45DB041ESHN2BT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	3,711In Stock	Cut Tape $2.56 $2.41 $2.34 $2.28 View Reel $1.94 $2.23 $2.16 $2.11 $2.07 $1.94 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI