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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
EPROM 4Mb (512Kx8) OTP 5V 70ns AT27C040-70JU Microchip Technology 1: $8.93 264In Stock	Mfr. Part No. AT27C040-70JU Mouser Part No 556-AT27C04070JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 5V 70ns	Datasheet	264In Stock	$8.93 $8.59 $8.26	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	4 Mbit	Parallel
EPROM 4Mb (256Kx16) OTP 5V 90ns AT27C4096-90PU Microchip Technology 1: $9.72 212In Stock	Mfr. Part No. AT27C4096-90PU Mouser Part No 556-AT27C4096-90PU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 90ns	Datasheet	212In Stock	$9.72 $9.36 $8.99	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-40	4 Mbit	Parallel
NOR Flash 4.5V to 5.5V 4Mbit Multi-Purpose Flash SST39SF040-55-4I-NHE-T Microchip Technology 1: $3.06 680In 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	680In Stock	Cut Tape $3.06 Reel $2.81	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE-T Microchip Technology 1: $2.70 1,871In Stock	Mfr. Part No. SST39LF040-55-4C-NHE-T Mouser Part No 579-SST39LF040554CN	Microchip Technology	NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash	Datasheet	1,871In Stock	Cut Tape $2.70 Reel $2.48 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 5.0V Commercial SST39SF040-70-4C-NHE-T Microchip Technology 1: $2.87 816In Stock	Mfr. Part No. SST39SF040-70-4C-NHE-T Mouser Part No 804-39SF0407CNHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 5.0V Commercial	Datasheet	816In Stock	Cut Tape $2.87 Reel $2.64	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 512K X 8 70ns SST39SF040-70-4I-NHE Microchip Technology 1: $2.97 2,347In Stock 2,760Expected 2026/10/02	Mfr. Part No. SST39SF040-70-4I-NHE Mouser Part No 804-39SF0407INHE	Microchip Technology	NOR Flash 512K X 8 70ns	Datasheet	2,347In Stock 2,760Expected 2026/10/02	$2.97 $2.86 $2.73	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial SST39VF040-70-4C-NHE Microchip Technology 1: $2.61 611In Stock	Mfr. Part No. SST39VF040-70-4C-NHE Mouser Part No 804-39VF0407CNHE	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Commercial	Datasheet	611In Stock	$2.61 $2.51 $2.41	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial SST39VF040-70-4I-NHE-T Microchip Technology 1: $2.71 785In Stock	Mfr. Part No. SST39VF040-70-4I-NHE-T Mouser Part No 804-39VF0407INHE-T	Microchip Technology	NOR Flash 4M (512Kx8) 70ns 2.7-3.6V Industrial	Datasheet	785In Stock	Cut Tape $2.71 Reel $2.51 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
F-RAM FRAM CY15B204QN-40SXE Infineon Technologies 1: $22.59 62In Stock 1,880Expected 2026/10/22	Mfr. Part No. CY15B204QN-40SXE Mouser Part No 726-CY15B204QN-40SXE	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress excelon fram	Datasheet	62In Stock 1,880Expected 2026/10/22	$22.59 $20.95 $20.29 $19.61 View $19.11 $18.63 $18.47	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
F-RAM 4M (256Kx16) 55ns F-RAM Infineon Technologies FM22LD16-55-BG FM22LD16-55-BG Infineon Technologies 1: $59.49 610In 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	610In Stock	$59.49 $54.98 $53.18 $51.86 View $50.54 $48.88 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	BGA-48	4 Mbit	Parallel
NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector W25Q40RVSSJQ Winbond 1: $1.54 1,227In Stock	Mfr. Part No. W25Q40RVSSJQ Mouser Part No 454-W25Q40RVSSJQ	Winbond	NOR Flash spiFlash, 4M-bit, 4Kb Uniform Sector Learn More about Winbond nor		1,227In Stock	$1.54	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mb Multi-Purpose Flash SST39VF400A-70-4C-EKE-T Microchip Technology 1: $2.34 360In Stock NRND	Mfr. Part No. SST39VF400A-70-4C-EKE-T Mouser Part No 579-39VF400A7CEKET NRND	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mb Multi-Purpose Flash	Datasheet	360In Stock	Cut Tape $2.34 $2.17 Reel $1.83 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
NOR Flash 4M (256K x 16) 55ns SST39LF400A-55-4C-EKE Microchip Technology 1: $3.04 76In Stock NRND	Mfr. Part No. SST39LF400A-55-4C-EKE Mouser Part No 804-39LF400A55CEKE NRND	Microchip Technology	NOR Flash 4M (256K x 16) 55ns	Datasheet	76In Stock	$3.04 $2.77 $2.34	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
NOR Flash 256K X 16 70ns SST39VF400A-70-4C-EKE Microchip Technology 1: $2.19 445In Stock NRND	Mfr. Part No. SST39VF400A-70-4C-EKE Mouser Part No 804-39VF400A7CEKE NRND	Microchip Technology	NOR Flash 256K X 16 70ns	Datasheet	445In Stock	$2.19 $2.01 $1.70	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
F-RAM 4Mbit FeRAM, SPI, 1.8-3.6V - SOP8 (208mil) tube (125C) MB85RS4MTYPF-G-BCE1 RAMXEED 1: $20.82 1,020In Stock	Mfr. Part No. MB85RS4MTYPF-G-BCE1 Mouser Part No 249-MB85RS4MTYPFBCE1	RAMXEED	F-RAM 4Mbit FeRAM, SPI, 1.8-3.6V - SOP8 (208mil) tube (125C) Learn More about RAMXEED aec q100 spi feram	Datasheet	1,020In Stock	$20.82 $19.31 $18.69 $18.11 View $17.65 $17.13 $16.74 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOP-8	4 Mbit	SPI
EEPROM 4-Mbit serial SPI bus EEPROM M95M04-DRCS6TPVF STMicroelectronics 1: $4.62 3,764In Stock	Mfr. Part No. M95M04-DRCS6TPVF Mouser Part No 511-M95M04-DRCS6TPVF	STMicroelectronics	EEPROM 4-Mbit serial SPI bus EEPROM Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	3,764In Stock	Cut Tape $4.62 $4.31 $4.19 $4.09 View Reel $3.38 $3.99 $3.87 $3.77 $3.68 $3.38 $3.38 MouseReel Available	Min.: 1 Mult.: 1 : 10,000	EEPROM	SMD/SMT	WLCSP-8	4 Mbit	SPI
EEPROM 4-Mbit serial SPI bus EEPROM M95M04-DRDW6TP STMicroelectronics 1: $3.27 1,277In Stock 4,000Expected 2026/11/16	Mfr. Part No. M95M04-DRDW6TP Mouser Part No 511-M95M04-DRDW6TP	STMicroelectronics	EEPROM 4-Mbit serial SPI bus EEPROM Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	1,277In Stock 4,000Expected 2026/11/16	Cut Tape $3.27 $3.06 $2.97 $2.90 View Reel $2.61 $2.83 $2.74 $2.67 $2.61 $2.61 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 Mbit	SPI
EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock M95M04-DWDW3TP/V STMicroelectronics 1: $5.91 3,658In Stock	Mfr. Part No. M95M04-DWDW3TP/V Mouser Part No 511-M95M04-DWDW3TP/V	STMicroelectronics	EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	3,658In Stock	Cut Tape $5.91 $5.50 $5.34 $5.22 View Reel $4.22 $5.09 $4.93 $4.81 $4.69 $4.22 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	EEPROM	SMD/SMT	TSSOP-8	4 Mbit	SPI
EPROM 4Mb (256Kx16) OTP 5V 90ns AT27C4096-90JU Microchip Technology 1: $9.47 203In Stock	Mfr. Part No. AT27C4096-90JU Mouser Part No 556-AT27C4096-90JU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 90ns	Datasheet	203In Stock	$9.47 $9.14 $8.77	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-44	4 Mbit	Parallel
EEPROM 8-TDFN (6 x 5 mm) 25CSM04-I/MF Microchip Technology 1: $2.84 2,136In 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	2,136In Stock	$2.84 $2.73 $2.67 $2.62	Min.: 1 Mult.: 1	EEPROM	SMD/SMT	TDFN-8	4 Mbit	SPI
EEPROM 8-TDFN (6 x 5 mm) 25CSM04T-I/MF Microchip Technology 1: $2.85 3,969In Stock	Mfr. Part No. 25CSM04T-I/MF Mouser Part No 579-25CSM04T-I/MF	Microchip Technology	EEPROM 8-TDFN (6 x 5 mm) Learn More about Microchip Technology microchip 25csm4 serial eeproms	Datasheet	3,969In Stock	Cut Tape $2.85 Reel $2.62 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	EEPROM	SMD/SMT	TDFN-8	4 Mbit	SPI
EEPROM 8-SOIC(3.9 x 4.9 mm) 25CSM04T-I/SN Microchip Technology 1: $2.36 1,681In Stock 3,300Expected 2026/12/03	Mfr. Part No. 25CSM04T-I/SN Mouser Part No 579-25CSM04T-I/SN	Microchip Technology	EEPROM 8-SOIC(3.9 x 4.9 mm) Learn More about Microchip Technology microchip 25csm4 serial eeproms	Datasheet	1,681In Stock 3,300Expected 2026/12/03	Cut Tape $2.36 Reel $2.17	Min.: 1 Mult.: 1 : 3,300	EEPROM	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAE-T Microchip Technology 1: $1.30 3,395In Stock	Mfr. Part No. SST25VF040B-50-4I-SAE-T Mouser Part No 579-25VF040B504ISAET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	3,395In Stock	Cut Tape $1.30 $1.24 $1.21 $1.20 Reel $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-SAF-T Microchip Technology 1: $1.26 5,957In 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	5,957In Stock	Cut Tape $1.26 $1.21 Reel $1.17 MouseReel Available	Min.: 1 Mult.: 1 : 3,300	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash SST25VF040B-50-4I-S2AE-T Microchip Technology 1: $1.26 1,640In Stock	Mfr. Part No. SST25VF040B-50-4I-S2AE-T Mouser Part No 579-25VF40B504IS2AET	Microchip Technology	NOR Flash 2.7V to 3.6V 4Mbit SPI Serial Flash	Datasheet	1,640In Stock	Cut Tape $1.26 $1.21 Reel $1.10 MouseReel Available	Min.: 1 Mult.: 1 : 2,100	NOR Flash	SMD/SMT	SOIJ-8	4 Mbit	SPI