.hide-partial { max-height: none; } .show-more { display: none; }

512 k x 8 Memory ICs

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Types of Memory ICs

List Images

Results: 572

Applied Filters:

Organisation = 512 k x 8

Manufacturer

Product Type

Mounting Style

Package/Case

Memory Size

Interface Type

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

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: $2.35 1,037In Stock 1,500On Order 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 1,500On Order	Cut Tape $2.35 Reel $2.15	Min.: 1 Mult.: 1 : 1,500	NOR Flash	SMD/SMT	TSSOP-32	4 Mbit
F-RAM FRAM Excelon Ultra CY15V104QSN-108SXI Infineon Technologies 1: $32.13 1,012In Stock	Mfr. Part No. CY15V104QSN-108SXI Mouser Part No 727-CY15V104QS108SXI	Infineon Technologies	F-RAM FRAM Excelon Ultra Learn More about Infineon Technologies cypress excelon fram	Datasheet	1,012In Stock	$32.13 $29.75 $28.80 $27.46 View $26.76 $26.75 $25.55 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	Quad SPI
SRAM ASYNC SRAMS CY7C1049G-10VXIT Infineon Technologies 1: $17.06 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 $17.06 $15.84 $15.36 $14.99 Reel $13.78 View $14.62 $14.14 $13.43 Quote MouseReel Available	Min.: 1 Mult.: 1 : 500	SRAM	SMD/SMT	SOJ-36	4 Mbit	Parallel
NOR Flash 1.65V to 1.95V 4Mbit SPI Serial Flash SST25WF040BT-40I/NP Microchip Technology 1: $1.40 5,822In 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	5,822In Stock	Cut Tape $1.40 Reel $1.31 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
F-RAM 4Kb Serial I2C 5V FRAM FM24C04B-G Infineon Technologies 1: $2.20 4,015In Stock	Mfr. Part No. FM24C04B-G Mouser Part No 877-FM24C04B-G	Infineon Technologies	F-RAM 4Kb Serial I2C 5V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	4,015In Stock	$2.20 $2.06 $2.00 $1.94 View $1.90 $1.85 $1.80 $1.76 $1.59	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	I2C
F-RAM 4Kb Serial SPI 5V FRAM FM25040B-G Infineon Technologies 1: $2.26 5,671In Stock	Mfr. Part No. FM25040B-G Mouser Part No 877-FM25040B-G	Infineon Technologies	F-RAM 4Kb Serial SPI 5V FRAM Learn More about Infineon Technologies cypress serial fram	Datasheet	5,671In Stock	$2.26 $2.11 $2.05 $1.97 View $1.92 $1.90 $1.84 $1.79 $1.73	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
F-RAM 4Kb Serial SPI 3V FRAM FM25L04B-G Infineon Technologies 1: $2.08 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	$2.08 $1.95 $1.90 $1.81 View $1.77 $1.76 $1.70 $1.67 $1.58	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: $1.38 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 $1.38 $1.37 $1.36 $1.35 $1.31 Reel $1.23 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
F-RAM FRAM Excelon Auto CY15B104QN-50SXA Infineon Technologies 1: $27.82 749In Stock 470On Order	Mfr. Part No. CY15B104QN-50SXA Mouser Part No 727-CY15B104QN-50SXA	Infineon Technologies	F-RAM FRAM Excelon Auto Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	749In Stock 470On Order	$27.82 $25.76 $24.95 $23.78 View $23.18 $22.84 $21.99 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 55ns 512K x 8 Low Power SRAM CY62148ELL-55SXIT Infineon Technologies 1: $6.47 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 $6.47 $6.02 $5.84 $5.71 Reel $5.12 View $5.57 $5.40 $5.26 $4.99 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel
NOR Flash spiFlash, 1.8V 4M-bit, 4Kb Uniform Sector W25Q40EWSNIG TR Winbond 1: $2.08 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 $2.08 Reel $2.08 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: $11.89 1,255In Stock	Mfr. Part No. CY7C1049GN30-10ZSXIT Mouser Part No 727-CY7C1049GN3010ZX	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	1,255In Stock	Cut Tape $11.89 $11.04 $10.69 $10.44 View Reel $9.35 $10.18 $9.85 $9.61 $9.35 Quote 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: $0.73 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 $0.73 $0.683 $0.665 $0.652 View Reel $0.568 $0.638 $0.619 $0.605 $0.591 $0.568 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
SRAM 4Mb 3V 55ns 512K x 8 LP SRAM CY62148EV30LL-55SXI Infineon Technologies 1: $6.16 935In Stock 500Expected 2026/11/19	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 2026/11/19	$6.16 $5.75 $5.57 $5.44 View $5.31 $5.14 $5.00 $4.87 $4.76	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: $7.14 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 $7.14 $6.65 $6.45 $6.29 View Reel $5.21 $6.14 $5.94 $5.79 $5.21 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: $1.83 3,502In 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	3,502In Stock	Cut Tape $1.83 $1.72 $1.67 $1.63 View Reel $1.47 $1.59 $1.54 $1.50 $1.47 $1.47 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: $2.11 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 $2.11 $1.98 $1.92 $1.88 View Reel $1.45 $1.84 $1.78 $1.74 $1.69 $1.45 $1.45 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	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: $1.95 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 $1.95 $1.70 Reel $1.69 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: $2.86 881In Stock	Mfr. Part No. CY15E004Q-SXE Mouser Part No 727-CY15E004Q-SXE	Infineon Technologies	F-RAM F-RAM Memory Serial	Datasheet	881In Stock	$2.86 $2.67 $2.61 $2.54 $2.16	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 kbit	SPI
NOR Flash S-FLASH MEMORY(4M) LE25U40CMC-AH onsemi 1: $1.24 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 $1.24 $1.17 $1.14 $1.11 View Reel $0.779 $1.09 $1.05 $1.02 $0.893 $0.779 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
EEPROM 8-TDFN (6 x 5 mm) 25CSM04-I/MF Microchip Technology 1: $2.66 1,986In Stock	Mfr. Part No. 25CSM04-I/MF Mouser Part No 579-25CSM04-I/MF	Microchip Technology	EEPROM 8-TDFN (6 x 5 mm) Learn More about Microchip Technology microchip 25csm4 serial eeproms	Datasheet	1,986In Stock	$2.66 $2.61 $2.55 $2.52 View $2.48 $2.45	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TDFN-8	4 Mbit	SPI
NOR Flash 4Mb, Serial Flash, 3.0V, 105C SST25PF040C-40V/SN Microchip Technology 1: $1.17 1,929In Stock	Mfr. Part No. SST25PF040C-40V/SN Mouser Part No 579-ST25PF040C40V/SN	Microchip Technology	NOR Flash 4Mb, Serial Flash, 3.0V, 105C Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	1,929In Stock	$1.17 $1.13 $1.12	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/SN Microchip Technology 1: $1.40 3,602In Stock	Mfr. Part No. SST25PF040CT-40E/SN Mouser Part No 579-T25PF040CT-40ESN	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	3,602In Stock	Cut Tape $1.40 $1.35 $1.34 $1.33 Reel $1.23	Min.: 1 Mult.: 1 : 3,300	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, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHNHC-T Renesas / Dialog 1: $1.91 2,869In Stock	Mfr. Part No. AT45DB041E-SSHNHC-T Mouser Part No 988-A45DB041ESSHNHCT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,869In Stock	Cut Tape $1.91 $1.79 $1.74 $1.70 View Reel $1.42 $1.67 $1.60 $1.57 $1.54 $1.42 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual SPI NOR flash AT25DF041B-SSHN-B Renesas / Dialog 1: $1.34 16,228In Stock	Mfr. Part No. AT25DF041B-SSHN-B Mouser Part No 988-AT25DF041BSSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	16,228In Stock	$1.34 $1.26 $1.23 $1.20 View $1.16 $1.13 $1.10 $1.08 $1.01	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	SPI