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4 Mbit Memory ICs

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Memory Size = 4 Mbit

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RoHS Compliant

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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 Type	Mounting Style	Package/Case	Memory Size	Interface Type
SRAM 4Mb,High-Speed/Low Power,Async,256K x 16,10ns,3.3v,44 Pin TSOP II, RoHS, Automotive temp IS64LV25616AL-12TLA3 ISSI 1: £11.31 135In Stock Factory Special Order	Mfr. Part No. IS64LV25616AL-12TLA3 Mouser Part No 87064LV25616AL12TLA3 Factory Special Order	ISSI	SRAM 4Mb,High-Speed/Low Power,Async,256K x 16,10ns,3.3v,44 Pin TSOP II, RoHS, Automotive temp	Datasheet	135In Stock	£11.31 £10.50 £10.18 £9.93 View £9.59 £9.34 £9.10	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash Serial NOR 3V 4Mbit x2 I/O SOP-8 150mil Automotive +105C MX25L4006EM1R-12G-TB Macronix 1: £1.34 2,439In Stock	Mfr. Part No. MX25L4006EM1R-12G-TB Mouser Part No 95-25L4006EM1R12G	Macronix	NOR Flash Serial NOR 3V 4Mbit x2 I/O SOP-8 150mil Automotive +105C	Datasheet	2,439In Stock	£1.34 £1.26 £1.22 £1.20 View £1.16 £1.13 £1.10 £1.07 £1.05	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
F-RAM FRAM CY15B104Q-SXI Infineon Technologies 1: £22.05 2,140In Stock NRND	Mfr. Part No. CY15B104Q-SXI Mouser Part No 727-CY15B104Q-SXI NRND	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	2,140In Stock	£22.05 £20.42 £19.77 £18.90 View £18.43 £18.15 £17.70 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mbit serial SRAM, 1.7V-3.6V 23AA04M-I/ST Microchip Technology 1: £3.30 921In Stock	Mfr. Part No. 23AA04M-I/ST Mouser Part No 579-23AA04M-I/ST	Microchip Technology	SRAM 4Mbit serial SRAM, 1.7V-3.6V Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	921In Stock	£3.30 £3.18 £3.05	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSSOP-8	4 Mbit	SDI, SPI, SQI
SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup 23LCV04M-I/P Microchip Technology 1: £4.09 390In Stock	Mfr. Part No. 23LCV04M-I/P Mouser Part No 579-23LCV04M-I/P	Microchip Technology	SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	390In Stock	£4.09 £3.93 £3.78	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-14	4 Mbit	SDI, SPI, SQI
SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup 23LCV04M-I/SL Microchip Technology 1: £3.76 314In Stock	Mfr. Part No. 23LCV04M-I/SL Mouser Part No 579-23LCV04M-I/SL	Microchip Technology	SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	314In Stock	£3.76 £3.62 £3.48	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-14	4 Mbit	SDI, SPI, SQI
F-RAM FRAM CY15B104Q-LHXI Infineon Technologies 1: £22.03 1,627In Stock	Mfr. Part No. CY15B104Q-LHXI Mouser Part No 727-CY15B104Q-LHXI	Infineon Technologies	F-RAM FRAM Learn More about Infineon Technologies cypress cy15b104q f ram	Datasheet	1,627In Stock	£22.03 £20.40 £19.76 £19.01 View £18.54 £18.07 £17.65 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	TDFN-8	4 Mbit	SPI
F-RAM FRAM Excelon Ultra CY15V104QSN-108SXI Infineon Technologies 1: £24.12 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	£24.12 £22.33 £21.62 £20.61 View £20.09 £19.18 Quote	Min.: 1 Mult.: 1	FRAM	SMD/SMT	SOIC-8	4 Mbit	Quad SPI
SRAM 4Mb 3V 45ns 256K x 16 LP SRAM CY62146EV30LL-45ZSXIT Infineon Technologies 1: £4.47 4,543In Stock	Mfr. Part No. CY62146EV30LL-45ZSXIT Mouser Part No 727-CY62146EV45ZSXIT	Infineon Technologies	SRAM 4Mb 3V 45ns 256K x 16 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	4,543In Stock	Cut Tape £4.47 £4.16 £4.04 £3.95 View Reel £3.17 £3.85 £3.73 £3.17 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mb 45ns 512K x 8 Low Power SRAM CY62148ELL-45ZSXI Infineon Technologies 1: £4.63 4,453In Stock	Mfr. Part No. CY62148ELL-45ZSXI Mouser Part No 727-CY6218ELL-45ZSXI	Infineon Technologies	SRAM 4Mb 45ns 512K x 8 Low Power SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	4,453In Stock	£4.63 £4.33 £4.23 £4.16 View £3.93 £3.81 £3.69 £3.64 £3.17	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM ASYNC SRAMS CY7C1041GN30-10ZSXIT Infineon Technologies 1: £5.23 3,578In Stock	Mfr. Part No. CY7C1041GN30-10ZSXIT Mouser Part No 727-CY7C1041GN3010ZS	Infineon Technologies	SRAM ASYNC SRAMS	Datasheet	3,578In Stock	Cut Tape £5.23 £4.88 £4.79 Reel £4.79 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM ASYNC CY7C1041GN30-10ZSXI Infineon Technologies 1: £5.50 2,043In Stock	Mfr. Part No. CY7C1041GN30-10ZSXI Mouser Part No 727-CY7C1041GN30ZSXI	Infineon Technologies	SRAM ASYNC	Datasheet	2,043In Stock	£5.50 £5.12 £4.96 £4.85 £4.79	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mbit serial SRAM, 1.7V-3.6V 23AA04M-I/P Microchip Technology 1: £3.47 432In Stock	Mfr. Part No. 23AA04M-I/P Mouser Part No 579-23AA04M-I/P	Microchip Technology	SRAM 4Mbit serial SRAM, 1.7V-3.6V Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	432In Stock	£3.47 £3.35 £3.21	Min.: 1 Mult.: 1	SRAM	Through Hole	PDIP-8	4 Mbit	SDI, SPI, SQI
SRAM 4Mbit serial SRAM, 1.7V-3.6V 23AA04M-I/SN Microchip Technology 1: £3.24 1,266In Stock 2,100Expected 30/10/2026	Mfr. Part No. 23AA04M-I/SN Mouser Part No 579-23AA04M-I/SN	Microchip Technology	SRAM 4Mbit serial SRAM, 1.7V-3.6V Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	1,266In Stock 2,100Expected 30/10/2026	£3.24 £3.12 £2.99	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI
F-RAM 4Mbit FeRAM, SPI, 1.8-3.6V - SOP8 (208mil) T&R (125C) MB85RS4MTYPF-G-BCERE1 RAMXEED 1: £17.97 1,555In Stock	Mfr. Part No. MB85RS4MTYPF-G-BCERE1 Mouser Part No 249-85S4MTYPFGBCERE1	RAMXEED	F-RAM 4Mbit FeRAM, SPI, 1.8-3.6V - SOP8 (208mil) T&R (125C) Learn More about RAMXEED fujitsu fram	Datasheet	1,555In Stock	Cut Tape £17.97 £16.65 £16.12 £15.73 View Reel £14.46 £15.35 £14.84 £14.46 MouseReel Available	Min.: 1 Mult.: 1 : 500	FRAM	SMD/SMT	SOP-8	4 Mbit	SPI
EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock M95M04-DWMN3TP/V STMicroelectronics 1: £4.43 15,770In Stock	Mfr. Part No. M95M04-DWMN3TP/V Mouser Part No 511-M95M04-DWMN3TP/V	STMicroelectronics	EEPROM Automotive 4096 Kbit SPI bus EEPROM with high speed clock Learn More about STMicroelectronics stm m95m04 4mbit serial eeproms	Datasheet	15,770In Stock	Cut Tape £4.43 £4.13 £4.01 £3.92 View Reel £3.42 £3.82 £3.70 £3.61 £3.52 £3.42 MouseReel Available	Min.: 1 Mult.: 1 : 2,500	EEPROM	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH SST25PF040CT-40V/NP Microchip Technology 1: £1.25 11,598In Stock 3,000Expected 19/10/2026	Mfr. Part No. SST25PF040CT-40V/NP Mouser Part No 579-ST25PF040CT40VNP	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	11,598In Stock 3,000Expected 19/10/2026	Cut Tape £1.25 Reel £1.10 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	USON-8	4 Mbit	SPI
NOR Flash Serial NOR 1.65V-3.6V 4Mbit x4 I/O SOP-8 150mil MX25R4035FM1IL0-TR Macronix 1: £1.07 45,282In Stock	Mfr. Part No. MX25R4035FM1IL0-TR Mouser Part No 95-25R4035FM1IL0TR	Macronix	NOR Flash Serial NOR 1.65V-3.6V 4Mbit x4 I/O SOP-8 150mil Learn More about Macronix mx25r nor flash	Datasheet	45,282In Stock	Cut Tape £1.07 £1.00 £0.978 £0.952 View Reel £0.834 £0.934 £0.899 £0.882 £0.856 £0.834	Min.: 1 Mult.: 1 : 2,500	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
NOR Flash Parallel NOR 5V 4Mbit x16 I/O TSOP-48 Bottom Boot MX29F400CBTI-70G-TR Macronix 1: £5.90 2,853In Stock	Mfr. Part No. MX29F400CBTI-70G-TR Mouser Part No 95-29F400CBTI70GTR	Macronix	NOR Flash Parallel NOR 5V 4Mbit x16 I/O TSOP-48 Bottom Boot	Datasheet	2,853In Stock	Cut Tape £5.90 £5.50 £5.33 £5.08 £4.96 Reel £4.96 MouseReel Available	Min.: 1 Mult.: 1 Max.: 100 : 1,500	NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup 23LCV04M-I/ST Microchip Technology 1: £3.83 193In Stock	Mfr. Part No. 23LCV04M-I/ST Mouser Part No 579-23LCV04M-I/ST	Microchip Technology	SRAM 4Mbit serial SRAM, 2.2V-3.6V with Battery Backup Learn More about Microchip Technology microchip 23aa04m 23lcv04m 4mb sram	Datasheet	193In Stock	£3.83 £3.68 £3.54	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSSOP-14	4 Mbit	SDI, SPI, SQI
EPROM 4Mb (512Kx8) OTP 5V 90ns AT27C040-90JU Microchip Technology 1: £6.14 192In Stock	Mfr. Part No. AT27C040-90JU Mouser Part No 556-AT27C040-90JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 5V 90ns	Datasheet	192In Stock	£6.14 £5.92 £5.74 £5.69	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	4 Mbit	Parallel
EPROM 4Mb (512Kx8) OTP 5V 70ns AT27C040-70JU Microchip Technology 1: £6.29 203In Stock	Mfr. Part No. AT27C040-70JU Mouser Part No 556-AT27C04070JU	Microchip Technology	EPROM 4Mb (512Kx8) OTP 5V 70ns	Datasheet	203In Stock	£6.29 £6.15 £6.12 £6.05 View £6.03 £5.92	Min.: 1 Mult.: 1	EPROM	SMD/SMT	PLCC-32	4 Mbit	Parallel
EPROM 4Mb (256Kx16) OTP 5V 90ns AT27C4096-90PU Microchip Technology 1: £7.30 206In Stock	Mfr. Part No. AT27C4096-90PU Mouser Part No 556-AT27C4096-90PU	Microchip Technology	EPROM 4Mb (256Kx16) OTP 5V 90ns	Datasheet	206In Stock	£7.30 £7.03 £6.75	Min.: 1 Mult.: 1	EPROM	Through Hole	PDIP-40	4 Mbit	Parallel
NOR Flash 3.0 to 3.6V 4Mbit Multi-Purpose Flash SST39LF040-55-4C-NHE-T Microchip Technology 1: £2.02 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 £2.02 Reel £1.89 £1.82 MouseReel Available	Min.: 1 Mult.: 1 : 750	NOR Flash	SMD/SMT	PLCC-32	4 Mbit	Parallel
SRAM 4Mb 3V 55ns 512K x 8 LP SRAM CY62148EV30LL-55SXIT Infineon Technologies 1: £4.76 440In Stock	Mfr. Part No. CY62148EV30LL-55SXIT Mouser Part No 727-C148EV30LL55SXIT	Infineon Technologies	SRAM 4Mb 3V 55ns 512K x 8 LP SRAM Learn More about Infineon Technologies cypress mobl async sram	Datasheet	440In Stock	Cut Tape £4.76 £4.43 £4.30 £4.21 Reel £3.77 View £4.10 £3.97 £3.88 £3.68 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	SRAM	SMD/SMT	SOIC-32	4 Mbit	Parallel