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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
NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH SST25PF040CT-40I/NP Microchip Technology 1: $1.44 5,151Expected 03/12/2026	Mfr. Part No. SST25PF040CT-40I/NP Mouser Part No 579-ST25PF040CT40INP	Microchip Technology	NOR Flash 2.3V TO 3.6V 4Mb SPI FLASH Learn More about Microchip Technology microchip sst25pf040c flash	Datasheet	5,151Expected 03/12/2026	Cut Tape $1.44 $1.43 Reel $1.34 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25FF041A-UUN-T Renesas / Dialog 1: $0.88 3,426Expected 27/11/2026	Mfr. Part No. AT25FF041A-UUN-T Mouser Part No 724-AT25FF041A-UUN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, WLCSP (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	3,426Expected 27/11/2026	Cut Tape $0.88 $0.821 $0.799 $0.782 View Reel $0.52 $0.765 $0.742 $0.725 $0.707 $0.52 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	WLCSP-8	4 Mbit	SPI
SRAM CMOS RAM W ECC 4-Mbit CY7C1041G-10VXI Infineon Technologies 1: $16.23 510Expected 07/01/2027	Mfr. Part No. CY7C1041G-10VXI Mouser Part No 727-CY7C1041G-10VXI	Infineon Technologies	SRAM CMOS RAM W ECC 4-Mbit Learn More about Infineon Technologies cypress cy7C1021d ram	Datasheet	510Expected 07/01/2027	$16.23 $15.07 $14.61 $14.26 View $13.91 $13.46 $13.12	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOJ-44	4 Mbit	Parallel
NOR Flash Serial NOR 3V 4Mbit x2 I/O WSON-8 6x5mm MX25L4006EZNI-12G-TR Macronix 1: $1.63 8,000On Order	Mfr. Part No. MX25L4006EZNI-12G-TR Mouser Part No 95-25L4006EZNI12TR	Macronix	NOR Flash Serial NOR 3V 4Mbit x2 I/O WSON-8 6x5mm	Datasheet	8,000On Order	Cut Tape $1.63 $1.53 $1.48 $1.45 View Reel $1.34 $1.42 $1.38 $1.34 $1.34 MouseReel Available	Min.: 1 Mult.: 1 Max.: 500 : 4,000	NOR Flash	SMD/SMT	WSON-8	4 Mbit	SPI
NOR Flash Parallel NOR 3V 4Mbit x16 I/O TSOP-48 Top Boot MX29LV400CTTI-70G-TR Macronix 1: $6.69 1,499On Order	Mfr. Part No. MX29LV400CTTI-70G-TR Mouser Part No 95-29LV400CTTI70TR	Macronix	NOR Flash Parallel NOR 3V 4Mbit x16 I/O TSOP-48 Top Boot	Datasheet	1,499On Order	Cut Tape $6.69 $6.22 $6.04 $5.76 View Reel $5.29 $5.62 $5.54 $5.40 $5.29 $5.29	Min.: 1 Mult.: 1 : 1,500	NOR Flash	SMD/SMT	TSOP-48	4 Mbit	Parallel
SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM 71V416L12PHGI Renesas Electronics 1: $14.00 1,340On Order	Mfr. Part No. 71V416L12PHGI Mouser Part No 972-71V416L12PHGI	Renesas Electronics	SRAM 256Kx16 ASYNCHRONOUS 3.3V CMOS SRAM Learn More about Renesas Electronics renesas asynchronous srams	Datasheet	1,340On Order On Order Ship Dates Mfr. No: 71V416L12PHGI Stock: 0 On Order: 125 Expected 09/11/2026 540 Expected 22/03/2027 675 TBD Factory Lead Time: 18 Weeks	$14.00 $13.00 $12.60 $12.30 View $11.82 $11.43 $11.15 $10.87 Quote	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash AT25DF041B-MAHN-T Renesas / Dialog 1: $2.06 10,000Expected 06/05/2027	Mfr. Part No. AT25DF041B-MAHN-T Mouser Part No 988-25DF041B-MAHNT	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual SPI NOR flash Learn More about Renesas / Dialog renesas dialog serialflash	Datasheet	10,000Expected 06/05/2027	Cut Tape $2.06 $1.93 $1.87 $1.83 View Reel $1.55 $1.79 $1.74 $1.69 $1.65 $1.55 MouseReel Available	Min.: 1 Mult.: 1 : 5,000	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, Quad SPI NOR flash AT25FF041A-SSHN-T Renesas / Dialog 1: $0.70 7,526Expected 04/12/2026	Mfr. Part No. AT25FF041A-SSHN-T Mouser Part No 988-AT25FF041-SSHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-N 150mil (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25ff041a memory	Datasheet	7,526Expected 04/12/2026	Cut Tape $0.70 $0.654 $0.637 $0.624 View Reel $0.543 $0.611 $0.593 $0.579 $0.566 $0.543	Min.: 1 Mult.: 1 : 4,000	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) AT25PE40-SHN-T Renesas / Dialog 1: $1.98 5,864Expected 06/01/2027	Mfr. Part No. AT25PE40-SHN-T Mouser Part No 988-AT25PE40-SHN-T	Renesas / Dialog	NOR Flash 4 Mbit, Wide Vcc (1.65V to 3.6V), -40C to 85C, SOIC-W 208mil (Tape & Reel), Single SPI DataFlash (Micron M25PE Replacement) Learn More about Renesas / Dialog renesas dialog at25pe40 flash memory	Datasheet	5,864Expected 06/01/2027	Cut Tape $1.98 $1.85 $1.80 $1.76 View Reel $1.49 $1.72 $1.66 $1.62 $1.59 $1.49 MouseReel Available	Min.: 1 Mult.: 1 : 2,000	NOR Flash	SMD/SMT	SOIC-Wide-8	4 Mbit	SPI
NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash AT25SF041B-MAHD-T Renesas / Dialog 1: $0.91 16,905On Order	Mfr. Part No. AT25SF041B-MAHD-T Mouser Part No 988-AT25SF041BMAHDT	Renesas / Dialog	NOR Flash 4 Mbit, 3.0V (2.5V to 3.6V), -40C to 85C, DFN 2x3 (Tape & Reel), Single, Dual, Quad SPI NOR flash Learn More about Renesas / Dialog renesas at25sf041b memory	Datasheet	16,905On Order On Order Ship Dates Mfr. No: AT25SF041B-MAHD-T Stock: 0 On Order: 6,905 Expected 25/02/2027 10,000 Expected 03/03/2028 Factory Lead Time: 26 Weeks	Cut Tape $0.91 $0.853 $0.83 $0.812 View Reel $0.688 $0.795 $0.773 $0.688	Min.: 1 Mult.: 1 : 5,000	NOR Flash	SMD/SMT	UDFN-8	4 Mbit	SPI
NOR Flash 1.8V, 4Mbit SPI Flash SST25WF040B-40E/SN Microchip Technology 1: $1.40 600Expected 28/10/2026	Mfr. Part No. SST25WF040B-40E/SN Mouser Part No 579-ST25WF040B40E/SN	Microchip Technology	NOR Flash 1.8V, 4Mbit SPI Flash Learn More about Microchip Technology microchip sst25wf040b 80b spi serial flash memory	Datasheet	600Expected 28/10/2026	$1.40 $1.37 $1.31	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
SRAM 4Mb 512Kx8 20MHz Serial SRAM IT IS62WVS5128FBLL-20NLI-TR ISSI 1: $8.89 6,000On Order	Mfr. Part No. IS62WVS5128FBLL-20NLI-TR Mouser Part No 870-62WS5128FBLL2NIT	ISSI	SRAM 4Mb 512Kx8 20MHz Serial SRAM IT	Datasheet	6,000On Order On Order Ship Dates Mfr. No: IS62WVS5128FBLL-20NLI-TR Stock: 0 On Order: 3,000 Expected 23/11/2026 3,000 Expected 09/12/2026 Factory Lead Time: 26 Weeks	Cut Tape $8.89 $8.27 $8.02 $7.83 $7.64 Reel $7.64 MouseReel Available	Min.: 1 Mult.: 1 : 3,000	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI
SRAM 4Mb 512Kx8 45MHz Serial SRAM IT IS62WVS5128GBLL-45NLI ISSI 1: $5.70 8,325On Order	Mfr. Part No. IS62WVS5128GBLL-45NLI Mouser Part No 870-62WS5128GBLL45NI	ISSI	SRAM 4Mb 512Kx8 45MHz Serial SRAM IT Learn More about ISSI asynchronous sram	Datasheet	8,325On Order On Order Ship Dates Mfr. No: IS62WVS5128GBLL-45NLI Stock: 0 On Order: 4,225 Expected 25/01/2027 4,100 Expected 12/04/2027 Factory Lead Time: 26 Weeks	$5.70 $5.31 $5.15 $5.03 $4.90	Min.: 1 Mult.: 1	SRAM	SMD/SMT	SOIC-8	4 Mbit	SDI, SPI, SQI
NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev IS25LP040E-JBLE ISSI 1: $1.60 21,279On Order	Mfr. Part No. IS25LP040E-JBLE Mouser Part No 870-IS25LP040E-JBLE	ISSI	NOR Flash 4Mb QSPI, 8-pin SOP 208Mil, RoHS, new die rev Learn More about ISSI is25 memory	Datasheet	21,279On Order On Order Ship Dates Mfr. No: IS25LP040E-JBLE Stock: 0 On Order: 2,559 Pending 2,790 Expected 23/11/2026 4,050 Expected 07/10/2027 11,880 Expected 11/10/2027 Factory Lead Time: 52 Weeks	$1.60 $1.36	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOIC-8	4 Mbit	SPI
NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil MX25U4035FM1I-T Macronix 1: $1.60 760On Order	Mfr. Part No. MX25U4035FM1I-T Mouser Part No 95-25U4035FM1IT	Macronix	NOR Flash Serial NOR 1.8V 4Mbit x4 I/O SOP-8 150mil	Datasheet	760On Order	$1.60 $1.50 $1.46 $1.43 View $1.39 $1.35 $1.31 $1.28	Min.: 1 Mult.: 1	NOR Flash	SMD/SMT	SOP-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDF Everspin Technologies 1: $29.78 5,446On Order	Mfr. Part No. MR25H40CDF Mouser Part No 936-MR25H40CDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI Learn More about Everspin Technologies everspin mr25hxx spi serial mrams	Datasheet	5,446On Order On Order Ship Dates Mfr. No: MR25H40CDF Stock: 0 On Order: 886 Expected 11/11/2026 2,280 Expected 09/12/2026 2,280 Expected 13/01/2027 Factory Lead Time: 26 Weeks	$29.78 $27.58 $26.70 $26.04 View $25.39 $25.34 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40CDFR Everspin Technologies 1: $29.84 7,635On Order	Mfr. Part No. MR25H40CDFR Mouser Part No 936-MR25H40CDFR	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI Learn More about Everspin Technologies everspin mr25hxx spi serial mrams	Datasheet	7,635On Order On Order Ship Dates Mfr. No: MR25H40CDFR Stock: 0 On Order: 3,635 Expected 09/11/2026 4,000 Expected 06/01/2027 Factory Lead Time: 26 Weeks	Cut Tape $29.84 $27.65 $26.77 $26.12 View Reel $22.04 $25.47 $24.62 $23.51 $23.38 $22.04 MouseReel Available	Min.: 1 Mult.: 1 : 4,000	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MR25H40MDF Everspin Technologies 1: $57.70 9,957On Order	Mfr. Part No. MR25H40MDF Mouser Part No 936-MR25H40MDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI	Datasheet	9,957On Order On Order Ship Dates Mfr. No: MR25H40MDF Stock: 0 On Order: 4,257 Expected 20/01/2027 5,700 Expected 24/03/2027 Factory Lead Time: 26 Weeks	$57.70 $53.34 $51.61 $50.33 View $49.06 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
MRAM 4Mb 3.3V 512Kx8 SPI MRAM MR25H40VDF Everspin Technologies 1: $37.95 4,908On Order	Mfr. Part No. MR25H40VDF Mouser Part No 936-MR25H40VDF	Everspin Technologies	MRAM 4Mb 3.3V 512Kx8 SPI MRAM Learn More about Everspin Technologies everspinmram	Datasheet	4,908On Order On Order Ship Dates Mfr. No: MR25H40VDF Stock: 0 On Order: 918 Expected 30/12/2026 1,710 Expected 13/01/2027 2,280 Expected 31/03/2027 Factory Lead Time: 26 Weeks	$37.95 $35.11 $33.99 $33.15 View $32.32 $31.24 Quote	Min.: 1 Mult.: 1	MRAM	SMD/SMT	DFN-8	4 Mbit	SPI
SRAM 4M (512Kx8) 10ns Async SRAM IS61C5128AL-10TLI ISSI 1: $10.18 1,890Expected 29/10/2026	Mfr. Part No. IS61C5128AL-10TLI Mouser Part No 870-61C5128AL-10TLI	ISSI	SRAM 4M (512Kx8) 10ns Async SRAM Learn More about ISSI asynchronous sram	Datasheet	1,890Expected 29/10/2026	$10.18 $9.45 $9.16 $8.94 $8.53	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-44	4 Mbit	Parallel
SRAM 4Mb 512Kx8 55ns Async SRAM IS62WV5128BLL-55TLI ISSI 1: $9.74 312On Order	Mfr. Part No. IS62WV5128BLL-55TLI Mouser Part No 87062WV5128BLL55TLI	ISSI	SRAM 4Mb 512Kx8 55ns Async SRAM Learn More about ISSI ultra low power sram	Datasheet	312On Order	$9.74 $9.06 $8.79 $8.58 $8.24	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-32	4 Mbit	Parallel
SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray AS7C34096A-10TIN Alliance Memory 1: $10.84 398Expected 13/01/2027	Mfr. Part No. AS7C34096A-10TIN Mouser Part No 913-AS7C34096A-10TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	398Expected 13/01/2027	$10.84 $10.08 $9.77 $9.53 View $9.20 $8.96 $8.74 $8.52	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 12ns, Industrial Temp - Tray AS7C34096A-12TIN Alliance Memory 1: $13.48 260Expected 07/12/2026	Mfr. Part No. AS7C34096A-12TIN Mouser Part No 913-AS7C34096A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 512K x 8, 3.3V, 44pin TSOP II, 12ns, Industrial Temp - Tray	Datasheet	260Expected 07/12/2026	$13.48 $12.52 $12.13 $11.57 View $11.28 $11.12 $10.83	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray AS7C34098A-12TIN Alliance Memory 1: $10.84 270Expected 09/11/2026	Mfr. Part No. AS7C34098A-12TIN Mouser Part No 913-AS7C34098A-12TIN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Industrial Temp - Tray	Datasheet	270Expected 09/11/2026	$10.84 $10.08 $9.77 $9.53 View $9.20 $8.96 $8.74 $8.52	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel
SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Commercial Temp - Tray AS7C34098A-15TCN Alliance Memory 1: $13.62 227On Order	Mfr. Part No. AS7C34098A-15TCN Mouser Part No 913-AS7C34098A-15TCN	Alliance Memory	SRAM SRAM, 4Mb, 256K x 16, 3.3V, 44pin TSOP II, 10ns, Commercial Temp - Tray	Datasheet	227On Order	$13.62 $12.65 $12.26 $11.69 View $11.40 $11.23 $10.95	Min.: 1 Mult.: 1	SRAM	SMD/SMT	TSOP-II-44	4 Mbit	Parallel