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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 (GBP) 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 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash AT45DB041E-SSHN-B Renesas / Dialog 1: £1.41 1,612In Stock	Mfr. Part No. AT45DB041E-SSHN-B Mouser Part No 988-45DB041ESSHNB	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, SOIC-N 150mil (Tube), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	1,612In Stock	£1.41 £1.32 £1.27 £1.23 View £1.20 £1.17 £1.14 £1.11 £1.07	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHNHT-T Renesas / Dialog 1: £1.74 2,773In Stock	Mfr. Part No. AT45DB041E-SSHNHT-T Mouser Part No 988-45DB041ESSHNHTT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 256 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	2,773In Stock	Cut Tape £1.74 £1.62 £1.58 £1.55 View Reel £1.31 £1.51 £1.46 £1.42 £1.39 £1.31 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, SOIC-N 150mil (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-SSHN-T Renesas / Dialog 1: £1.00 4,432In Stock 8,000Expected 05/04/2027	Mfr. Part No. AT25DF041B-SSHN-T Mouser Part No 988-AT25DF041BSSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	4,432In Stock 8,000Expected 05/04/2027	Cut Tape £1.00 £0.943 £0.925 £0.899 View Reel £0.788 £0.882 £0.856 £0.834 £0.818 £0.788 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR flash AT25SF041B-SSHB-B Renesas / Dialog 1: £0.54 7,415In Stock	Mfr. Part No. AT25SF041B-SSHB-B Mouser Part No 988-AT25SF041-SSH-B	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.7V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	7,415In Stock	£0.54 £0.507 £0.493 £0.478 View £0.467 £0.457 £0.447 £0.437 £0.416	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOP-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR Flash AT25SF041B-SSHD-B Renesas / Dialog 1: £0.518 24,634In Stock	Mfr. Part No. AT25SF041B-SSHD-B Mouser Part No 988-AT25SF041BSSHDB	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tube), Single, Dual, Quad SPI NOR Flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	24,634In Stock	£0.518 £0.485 £0.473 £0.464 View £0.453 £0.439 £0.43 £0.42 £0.403	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	SOP-Narrow-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR Flash AT25SF041B-SSHD-T Renesas / Dialog 1: £0.526 33,620In Stock	Mfr. Part No. AT25SF041B-SSHD-T Mouser Part No 988-AT25SF041BSSHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR Flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	33,620In Stock	Cut Tape £0.526 £0.492 £0.48 £0.47 View Reel £0.403 £0.459 £0.446 £0.437 £0.426 £0.403 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOP-Narrow-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: £1.54 2,032In 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	2,032In Stock	Cut Tape £1.54 £1.44 £1.40 £1.37 View Reel £1.20 £1.34 £1.30 £1.26 £1.23 £1.20 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, SOIC-N 150mil (Tape & Reel), Fusion (Single, Dual) SPI NOR flash AT25XE041B-SSHN-T Renesas / Dialog 1: £1.24 1,569In Stock 8,000On Order	Mfr. Part No. AT25XE041B-SSHN-T Mouser Part No 988-AT25XE041B-SSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Fusion (Single, Dual) SPI NOR flash Learn More about Renesas / Dialog renesas dialog at25xex fusion memory solutions	Datasheet	1,569In Stock 8,000On Order On Order Ship Dates Mfr. No: AT25XE041B-SSHN-T Stock: 1,569 Can Dispatch Immediately On Order: 4,000 Expected 22/10/2026 4,000 Expected 08/01/2027 Factory Lead Time: 26 Weeks	Cut Tape £1.24 £1.16 £1.13 £1.11 View Reel £0.773 £1.08 £1.05 £1.03 £0.995 £0.773 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, 256 Byte Binary Page Mode, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash AT45DB041E-SHN2B-T Renesas / Dialog 1: £1.41 1,711In Stock 2,000Expected 23/10/2026	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	1,711In Stock 2,000Expected 23/10/2026	Cut Tape £1.41 £1.33 £1.29 £1.26 View Reel £1.07 £1.23 £1.20 £1.16 £1.14 £1.07 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, 264 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash AT45DB041E-SSHN-T Renesas / Dialog 1: £1.41 7,447In Stock	Mfr. Part No. AT45DB041E-SSHN-T Mouser Part No 988-AT45DB041ESSHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, 264 Byte Binary Page Mode, WLCSP (Tape & Reel), Single SPI DataFlash Learn More about Renesas / Dialog renesas dialog dataflash	Datasheet	7,447In Stock	Cut Tape £1.41 £1.32 £1.27 £1.25 View Reel £1.07 £1.21 £1.18 £1.15 £1.13 £1.07 MouseReel Available	Min.: 1 Mult.: 1 : 4,000		NOR Flash	SMD/SMT	SOIC-Narrow-8	4 Mbit	SPI
SRAM 4Mb,Low Power,Async,512K x 8,45ns,5v,32 Pin TSOP II, RoHS ISSI IS62C5128EL-45TLI IS62C5128EL-45TLI ISSI 1: £5.64 4,680In Stock	Mfr. Part No. IS62C5128EL-45TLI Mouser Part No 870-IS62C5128EL45TLI	ISSI	SRAM 4Mb,Low Power,Async,512K x 8,45ns,5v,32 Pin TSOP II, RoHS	Datasheet	4,680In Stock	£5.64 £5.25 £5.09 £4.97 £4.83	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TSOP-II-32	4 Mbit	Parallel
F-RAM FRAM Infineon Technologies CY15B104QN-50SXI CY15B104QN-50SXI Infineon Technologies 1: £15.57 663In Stock	Mfr. Part No. CY15B104QN-50SXI Mouser Part No 727-CY15B104QN-50	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	663In Stock	£15.57 £14.45 £13.99 £13.65 View £13.32 £12.89 £12.55 Quote	Min.: 1 Mult.: 1		FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXI CY7C1049GN-10VXI Infineon Technologies 1: £9.54 895In Stock	Mfr. Part No. CY7C1049GN-10VXI Mouser Part No 727-CY7C1049GN-10VXI	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	895In Stock	£9.54 £8.86 £8.59 £8.39 View £8.18 £7.91 £7.71 £7.52 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT		4 Mbit	Parallel
SRAM ASYNC SRAMS Infineon Technologies CY7C1049GN-10VXIT CY7C1049GN-10VXIT Infineon Technologies 1: £9.54 640In Stock 500Expected 10/12/2026	Mfr. Part No. CY7C1049GN-10VXIT Mouser Part No 727-CY7C1049GN10VXIT	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	640In Stock 500Expected 10/12/2026	Cut Tape £9.54 £8.86 £8.59 £8.39 Reel £7.71 View £8.18 £7.91 £7.52 Quote	Min.: 1 Mult.: 1 : 500		SRAM	SMD/SMT		4 Mbit	Parallel
F-RAM 4M (256Kx16) 55ns F-RAM Infineon Technologies FM22LD16-55-BG FM22LD16-55-BG Infineon Technologies 1: £40.76 335In Stock	Mfr. Part No. FM22LD16-55-BG Mouser Part No 877-FM22LD16-55-BG	Infineon Technologies	F-RAM 4M (256Kx16) 55ns F-RAM Learn More about Infineon Technologies cypress parallel fram	Datasheet	335In Stock	£40.76 £37.68 £36.47 £35.55 View £34.67 £33.50	Min.: 1 Mult.: 1		FRAM	SMD/SMT	BGA-48	4 Mbit	Parallel
SRAM 2.5 or 3.3V 256K x 18 4M GS840Z18CGT-250I GSI Technology 1: £8.83 71In Stock	Mfr. Part No. GS840Z18CGT-250I Mouser Part No 464-GS840Z18CGT-250I	GSI Technology	SRAM 2.5 or 3.3V 256K x 18 4M Learn More about GSI Technology gsi nbt srams	Datasheet	71In Stock	£8.83 £8.20 £7.94 £7.66 View £7.46 £6.91 £6.75 £6.60 Quote	Min.: 1 Mult.: 1		SRAM	SMD/SMT	TQFP-100	4 Mbit	Parallel
Memory IC Development Tools Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx X-NUCLEO-EEPRMA2 STMicroelectronics 1: £14.01 44In Stock	Mfr. Part No. X-NUCLEO-EEPRMA2 Mouser Part No 511-X-NUCLEO-EEPRMA2	STMicroelectronics	Memory IC Development Tools Standard I²C and SPI EEPROM memory expansion board based on M24xx and M95xx Learn More about STMicroelectronics stm x nucleo eeprma2 board	Datasheet	44In Stock	£14.01	Min.: 1 Mult.: 1 Max.: 10	Expansion Boards	Memory IC Development Tools			4 Mbit	I2C, SPI
EPROM 4Mb (512Kx8) OTP 3V 90ns AT27LV040A-90JU Microchip Technology 1: £6.90 43In Stock	Mfr. Part No. AT27LV040A-90JU Mouser Part No 556-AT27LV040A-90JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 3V 90ns	Datasheet	43In Stock	£6.90 £6.77 £6.57 £6.55 View £6.52 Quote	Min.: 1 Mult.: 1		EPROM	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE Microchip Technology 1: £1.88 300In Stock	Mfr. Part No. SST39LF040-55-4C-NHE Mouser Part No 579-39LF0405CNHE	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	300In Stock	£1.88 £1.85	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE-T Microchip Technology 1: £2.21 443In Stock 750Expected 02/11/2026	Mfr. Part No. SST39SF040-55-4C-NHE-T Mouser Part No 579-39SF040554CNHET	Microchip Technology	NOR Flash 4.5 to 5.5 1Mbit Multi-Purpose Flash	Datasheet	443In Stock 750Expected 02/11/2026	Cut Tape £2.21 Reel £2.01 £1.98 MouseReel Available	Min.: 1 Mult.: 1 : 750		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4C-NHE Microchip Technology 1: £2.05 125In Stock	Mfr. Part No. SST39SF040-55-4C-NHE Mouser Part No 579-39SF0405CNHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	125In Stock	£2.05 £2.01 £1.96 £1.95	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE Microchip Technology 1: £2.28 393In Stock	Mfr. Part No. SST39SF040-55-4I-NHE Mouser Part No 579-39SF0405INHE	Microchip Technology	NOR Flash 4.5 to 5.5 4Mbit Multi-Purpose Flash	Datasheet	393In Stock	£2.28 £2.18 £2.11	Min.: 1 Mult.: 1		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE-T Microchip Technology 1: £2.30 480In Stock	Mfr. Part No. SST39SF040-55-4I-NHE-T Mouser Part No 579-SST39040554INHET	Microchip Technology	NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash	Datasheet	480In Stock	Cut Tape £2.30 Reel £2.11	Min.: 1 Mult.: 1 : 750		NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NVRAM 4Mb 3V 45ns 256K x 16 nvSRAM CY14B104M-ZSP45XI Infineon Technologies 1: £39.77 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	£39.77 £36.76 £35.58 £34.69 View £33.82 £32.69	Min.: 1 Mult.: 1		NVRAM	SMD/SMT	TSOP-II-54	4 Mbit
Memory IC Development Tools OTHER RAM CY15FRAMKIT-002 Infineon Technologies 1: £8.66 22In Stock	Mfr. Part No. CY15FRAMKIT-002 Mouser Part No 727-CY15FRAMKIT-002	Infineon Technologies	Memory IC Development Tools OTHER RAM	Datasheet	22In Stock	£8.66	Min.: 1 Mult.: 1	Development Kits	Memory IC Development Tools			4 Mbit