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

8 bit 4 Mbit Memory ICs

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

Types of Memory ICs

List Images

Results: 278

Applied Filters:

Data Bus Width = 8 bit Memory Size = 4 Mbit

Manufacturer

Product Type

Mounting Style

Package/Case

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 (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 4M (512Kx8) 70ns 5.0V Industrial SST39SF040-70-4I-NHE-T Microchip Technology 1: £2.23 932In Stock	Mfr. Part No. SST39SF040-70-4I-NHE-T Mouser Part No 804-39SF0407INHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 5.0V Industrial	Datasheet	932In Stock	Cut Tape £2.23 Reel £2.05 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 512K X 8 70ns SST39SF040-70-4C-NHE Microchip Technology 1: £2.15 2,421In Stock 1,380Expected 16/10/2026	Mfr. Part No. SST39SF040-70-4C-NHE Mouser Part No 804-39SF0407CNHE	Microchip Technology	NOR Flash 512K X 8 70ns	Datasheet	2,421In Stock 1,380Expected 16/10/2026	£2.15 £2.05 £1.98	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4Mb SQI Flash Memory 1.8V 8 USON SST26WF040BT-104I/NP Microchip Technology 1: £1.05 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 £1.05 Reel £0.986 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.7V to 3.6V), -40C to 125C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHNHR-T Renesas / Dialog 1: £1.61 2,289In Stock	Mfr. Part No. AT25DF041B-MAHNHR-T Mouser Part No 988-25DF041B-MAHNHRT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.7V to 3.6V), -40C to 125C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	2,289In Stock	Cut Tape £1.61 £1.51 £1.47 £1.43 View Reel £1.00 £1.40 £1.35 £1.32 £1.29 £1.00 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT		4 Mbit	SPI
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 10,381In 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	10,381In Stock	Cut Tape £0.548 £0.512 £0.499 £0.49 View Reel £0.426 £0.479 £0.464 £0.454 £0.443 £0.426 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
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: £1.37 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 £1.37 £1.29 £1.26 £1.22 View Reel £1.07 £1.20 £1.15 £1.13 £1.10 £1.07 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: £1.58 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 £1.58 £1.48 £1.44 £1.41 View Reel £1.09 £1.38 £1.34 £1.31 £1.27 £1.09 £1.09 MouseReel Available	Min.: 1 Mult.: 1 : 6,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4C-SAF-T Microchip Technology 1: £0.943 2,616In 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	2,616In Stock	Cut Tape £0.943 £0.908 Reel £0.882 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4M Flash SPI SST25PF040C-40I/MF Microchip Technology 1: £1.04 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	£1.04 £1.00 £0.943	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-MAHN-T Renesas / Dialog 1: £1.48 2,122In Stock	Mfr. Part No. AT25XE041B-MAHN-T Mouser Part No 988-AT25XE041B-MAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	2,122In Stock	Cut Tape £1.48 £1.42 £1.39 £1.32 View Reel £1.13 £1.29 £1.25 £1.21 £1.18 £1.13 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	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: £1.52 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	£1.52 £1.42 £1.39 £1.37 View £1.32 £1.29 £1.26 £1.09	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4Mb, Serial Flash, 3.0V, 105C SST25PF040C-40V/SN Microchip Technology 1: £0.943 1,931In 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	1,931In Stock	£0.943 £0.908 £0.882	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: £1.05 3,652In 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	3,652In Stock	Cut Tape £1.05 Reel £0.986	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: £1.43 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 £1.43 £1.34 £1.31 £1.27 View Reel £1.07 £1.26 £1.20 £1.18 £1.15 £1.07 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: £1.00 17,421In 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	17,421In Stock	£1.00 £0.943 £0.925 £0.899 View £0.871 £0.849 £0.826 £0.811 £0.709	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT		4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-SHB-T Renesas / Dialog 1: £0.54 28,043In Stock	Mfr. Part No. AT25SF041B-SHB-T Mouser Part No 988-AT25SF041B-SHB-T	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V 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	28,043In Stock	Cut Tape £0.54 £0.508 £0.496 £0.485 View Reel £0.336 £0.475 £0.46 £0.45 £0.439 £0.336	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOP-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tube), Single SPI DataFlash AT45DB041E-SHNHT-B Renesas / Dialog 1: £1.76 2,635In Stock	Mfr. Part No. AT45DB041E-SHNHT-B Mouser Part No 988-AT45DB041ESHNHTB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tube), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,635In Stock	£1.76 £1.64 £1.60 £1.58 View £1.52 £1.47 £1.44 £1.14 £1.10	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHNHT-T Renesas / Dialog 1: £1.76 2,838In Stock	Mfr. Part No. AT45DB041E-SHNHT-T Mouser Part No 988-AT45DB041ESHNHTT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,838In Stock	Cut Tape £1.76 £1.64 £1.60 £1.57 View Reel £1.22 £1.53 £1.48 £1.45 £1.41 £1.22 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-XMHN-T Renesas / Dialog 1: £1.44 3,970In Stock	Mfr. Part No. AT25XE041B-XMHN-T Mouser Part No 988-AT25XE041B-XMHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, TSSOP (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	3,970In Stock	Cut Tape £1.44 £1.35 £1.32 £1.28 View Reel £0.882 £1.26 £1.21 £1.18 £1.15 £0.882 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mbit SPI FLASH, 125C Industrial SST25PF040CT-40E/MF Microchip Technology 1: £1.47 4,829In 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	4,829In Stock	Cut Tape £1.47 Reel £1.32 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	WDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash AT25XV041B-XMHV-T Renesas / Dialog 1: £1.53 3,961In Stock	Mfr. Part No. AT25XV041B-XMHV-T Mouser Part No 988-AT25XV041B-XMHVT	Renesas / Dialog	NOR Flash 4 Mbit, Ultra Wide Vcc (1.65V to 4.4V), -40C to 85C, TSSOP (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	3,961In Stock	Cut Tape £1.53 £1.42 £1.38 £1.35 View Reel £0.952 £1.32 £1.28 £1.26 £1.22 £0.952 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	TSSOP-8	4 Mbit	SPI
NVRAM 4096k Nonvolatile SRAM DS1250AB-70+ Analog Devices / Maxim Integrated 1: £160.99 68In Stock	Mfr. Part No. DS1250AB-70+ Mouser Part No 700-DS1250AB-70	Analog Devices / Maxim Integrated	NVRAM 4096k Nonvolatile SRAM	Datasheet	68In Stock	£160.99 £122.86 £120.22	Min.: 1 Mult.: 1	NVRAM	Through Hole	EDIP-32	4 Mbit	Parallel
NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R GD25LQ40CEIGR GigaDevice 1: £0.443 1,995In Stock	Mfr. Part No. GD25LQ40CEIGR Mouser Part No 363-GD25LQ40CEIGR	GigaDevice	NOR Flash 4Mbit NOR Flash /1.8v /USON8 320.45mm /Industrial(-40? to +85?) /T&R Learn More about GigaDevice gd25 spi nor flash	Datasheet	1,995In Stock	Cut Tape £0.443 £0.414 £0.403 £0.395 View Reel £0.344 £0.387 £0.375 £0.367 £0.358 £0.344	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash AT25XE041D-SSHN-B Renesas / Dialog 1: £0.601 2,523In Stock	Mfr. Part No. AT25XE041D-SSHN-B Mouser Part No 724-AT25XE041DSSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), FusionHD System Enhancing (Single, Dual, Quad) SPI NOR flash	Datasheet	2,523In Stock	£0.601 £0.555 £0.54 £0.528 View £0.517 £0.501 £0.49 £0.478 £0.361	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-QAE-T Microchip Technology 1: £1.20 73In Stock	Mfr. Part No. SST25VF040B-50-4I-QAE-T Mouser Part No 579-25VF040B504IQAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	73In Stock	Cut Tape £1.20 £1.16 Reel £1.13	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	TDFN-S-8	4 Mbit	SPI