Microcontrollers - MCU – Mouser Japan

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RA4 Family Arm® Cortex® Microcontrollers

Renesas Electronics RA4 Family Arm^® Cortex^® Microcontrollers are ideal for reasonable low power with the demand for connectivity and performance. The RA4 MCUs provide up to 100MHz of CPU performance using an Arm Cortex-M33 core or M4 core with up to 1MB of embedded flash memory.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (JPY) Filter the results in the table by unit price based on your quantity.	Qty.	Mounting Style	Package / Case	Core	Data Bus Width	Maximum Clock Frequency	Program Memory Size	Data RAM Size	ADC Resolution	Number of I/Os	Supply Voltage - Min	Supply Voltage - Max	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN64 R7FA4M1AB3CNB#AA0 Renesas Electronics 1: ¥999.9 587In Stock	Mfr. Part # R7FA4M1AB3CNB#AA0 Mouser Part # 968-R7FA4M1AB3CNBAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN64 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	587In Stock	¥999.9 ¥765.7 ¥671 ¥642.8 View ¥609.6 ¥607.9 ¥589.7 ¥574.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-64	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	52 I/O	1.6 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP48 R7FA4M2AD3CFL#AA0 Renesas Electronics 1: ¥1,059.7 3,424In Stock	Mfr. Part # R7FA4M2AD3CFL#AA0 Mouser Part # 968-R7FA4M2AD3CFLAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP48 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	3,424In Stock	¥1,059.7 ¥803.9 ¥705.9 ¥657.8 View ¥622.9 ¥558.1 ¥528.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M33	32 bit	100 MHz	512 kB	128 kB	12 bit	29 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP100 R7FA4M2AD3CFP#AA0 Renesas Electronics 1: ¥1,112.9 890In Stock 1,800Expected 1/4/2027	Mfr. Part # R7FA4M2AD3CFP#AA0 Mouser Part # 968-R7FA4M2AD3CFPAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP100 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	890In Stock 1,800Expected 1/4/2027	¥1,112.9 ¥853.8 ¥722.5 ¥720.9 View ¥679.3 ¥664.4 ¥657.8 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	100 MHz	512 kB	128 kB	12 bit	77 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP144 R7FA4M3AD3CFB#AA0 Renesas Electronics 1: ¥1,192.6 2,089In Stock	Mfr. Part # R7FA4M3AD3CFB#AA0 Mouser Part # 968-R7FA4M3AD3CFBAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP144 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	2,089In Stock	¥1,192.6 ¥918.5 ¥798.9 ¥765.7 ¥712.6	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M33	32 bit	100 MHz	512 kB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP64 R7FA4M3AE3CFM#AA0 Renesas Electronics 1: ¥1,104.6 391In Stock 320Expected 12/14/2026	Mfr. Part # R7FA4M3AE3CFM#AA0 Mouser Part # 968-R7FA4M3AE3CFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP64 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	391In Stock 320Expected 12/14/2026	¥1,104.6 ¥848.8 ¥745.8 ¥696 View ¥694.3 ¥651.1	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M33	32 bit	100 MHz	768 kB	128 kB	12 bit	41 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP100 R7FA4M1AB3CFP#AA0 Renesas Electronics 1: ¥1,069.7 269In Stock	Mfr. Part # R7FA4M1AB3CFP#AA0 Mouser Part # 968-7FA4M1AB3CFP#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP100 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	269In Stock	¥1,069.7 ¥760.7 ¥694.3 ¥692.6 ¥637.8	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	84 I/O	1.6 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP48 R7FA4M2AB3CFL#AA0 Renesas Electronics 1: ¥827.2 213In Stock 250Expected 12/30/2026	Mfr. Part # R7FA4M2AB3CFL#AA0 Mouser Part # 968-7FA4M2AB3CFL#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP48 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	213In Stock 250Expected 12/30/2026	¥827.2 ¥629.5 ¥549.8 ¥524.9 View ¥496.6 ¥481.7	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M33	32 bit	100 MHz	256 kB	128 kB	12 bit	29 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K LGA100 R7FA4M1AB2CLJ#AC0 Renesas Electronics 1: ¥1,284 406In Stock	Mfr. Part # R7FA4M1AB2CLJ#AC0 Mouser Part # 968-R7FA4M1AB2CLJAC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K LGA100 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	406In Stock	¥1,284 ¥985 ¥865.4 ¥815.6 View ¥770.7 ¥622.9 ¥611.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	LGA-100	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	84 I/O	1.6 V	5.5 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN48 R7FA4M1AB3CNE#AA0 Renesas Electronics 1: ¥1,031.5 30In Stock	Mfr. Part # R7FA4M1AB3CNE#AA0 Mouser Part # 968-R7FA4M1AB3CNEAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN48 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	30In Stock	¥1,031.5 ¥789 ¥727.5 ¥661.1 View ¥639.5 ¥611.2 ¥596.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-48	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	36 I/O	1.6 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K BGA144 R7FA4M3AD2CBM#BC0 Renesas Electronics 1: ¥1,192.6 1,980In Stock	Mfr. Part # R7FA4M3AD2CBM#BC0 Mouser Part # 968-R7FA4M3AD2CBMBC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K BGA144	Datasheet	1,980In Stock	¥1,192.6 ¥918.5 ¥850.4 ¥774 View ¥739.1 ¥719.2 ¥687.7 ¥684.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K BGA144 R7FA4M3AE2CBM#BC0 Renesas Electronics 1: ¥1,363.7 2,080In Stock	Mfr. Part # R7FA4M3AE2CBM#BC0 Mouser Part # 968-R7FA4M3AE2CBMBC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K BGA144	Datasheet	2,080In Stock	¥1,363.7 ¥1,054.7 ¥978.3 ¥893.6 View ¥852.1 ¥835.5 ¥797.3 ¥780.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP100 R7FA4M3AE3CFP#AA0 Renesas Electronics 1: ¥1,219.2 347In Stock 240Expected 1/7/2027	Mfr. Part # R7FA4M3AE3CFP#AA0 Mouser Part # 968-R7FA4M3AE3CFPAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP100 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	347In Stock 240Expected 1/7/2027	¥1,219.2 ¥1,039.8 ¥956.7 ¥767.4 View ¥730.8 ¥714.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	100 MHz	768 kB	128 kB	12 bit	75 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA144 R7FA4M3AF2CBM#BC0 Renesas Electronics 1: ¥1,413.5 2,143In Stock	Mfr. Part # R7FA4M3AF2CBM#BC0 Mouser Part # 968-R7FA4M3AF2CBMBC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA144	Datasheet	2,143In Stock	¥1,413.5 ¥1,094.6 ¥1,014.9 ¥926.8 View ¥885.3 ¥868.7 ¥828.8 ¥812.2 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-144	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA64 R7FA4M3AF2CBQ#BC0 Renesas Electronics 1: ¥1,227.5 463In Stock	Mfr. Part # R7FA4M3AF2CBQ#BC0 Mouser Part # 968-R7FA4M3AF2CBQBC0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA64	Datasheet	463In Stock	¥1,227.5 ¥945.1 ¥873.7 ¥795.6 View ¥715.9 ¥696 ¥677.7 Quote	Min.: 1 Mult.: 1	SMD/SMT	BGA-64	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	45 I/O	2.7 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144 R7FA4M3AF3CFB#AA0 Renesas Electronics 1: ¥1,413.5 223In Stock	Mfr. Part # R7FA4M3AF3CFB#AA0 Mouser Part # 968-R7FA4M3AF3CFBAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	223In Stock	¥1,413.5 ¥1,092.9 ¥965 ¥925.2 ¥858.7	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M33	32 bit	100 MHz	1 MB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144 R7FA4M3AF3CFB#BA0 Renesas Electronics 1: ¥1,631.1 476In Stock	Mfr. Part # R7FA4M3AF3CFB#BA0 Mouser Part # 968-R7FA4M3AF3CFBBA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	476In Stock	¥1,631.1 ¥1,222.5 ¥1,166 ¥1,013.2 View ¥966.7 ¥867 ¥847.1 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-144	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	109 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100 R7FA4M3AF3CFP#AA0 Renesas Electronics 1: ¥1,274 112In Stock 83On Order	Mfr. Part # R7FA4M3AF3CFP#AA0 Mouser Part # 968-R7FA4M3AF3CFPAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	112In Stock 83On Order On Order Ship Dates Mfr. #: R7FA4M3AF3CFP#AA0 Stock: 112 Can Ship Immediately On Order: 33 Expected 12/28/2026 50 Expected 12/31/2026 Factory Lead-Time: 18 Weeks	¥1,274 ¥981.7 ¥863.7 ¥827.2 ¥767.4	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	100 MHz	1 MB	128 kB	12 bit	75 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP64 R7FA4M2AD3CFM#AA0 Renesas Electronics 1: ¥990 6,172On Order	Mfr. Part # R7FA4M2AD3CFM#AA0 Mouser Part # 968-R7FA4M2AD3CFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP64 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	6,172On Order On Order Ship Dates Mfr. #: R7FA4M2AD3CFM#AA0 Stock: 0 On Order: 412 Expected 11/13/2026 5,760 TBD Factory Lead-Time: 18 Weeks	¥990 ¥755.8 ¥661.1 ¥616.2 View ¥614.6 ¥576.4 ¥534.8 ¥531.5	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M33	32 bit	100 MHz	512 kB	128 kB	12 bit	43 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48 R7FA4M1AB3CFL#AA0 Renesas Electronics 1: ¥973.3 3,100On Order	Mfr. Part # R7FA4M1AB3CFL#AA0 Mouser Part # 968-7FA4M1AB3CFL#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	3,100On Order	¥973.3 ¥744.1 ¥652.8 ¥622.9 View ¥591.3 ¥573 ¥571.4 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	36 I/O	1.6 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100 R7FA4M2AB3CFP#AA0 Renesas Electronics 1: ¥996.6 990Expected 12/28/2026	Mfr. Part # R7FA4M2AB3CFP#AA0 Mouser Part # 968-7FA4M2AB3CFP#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	990Expected 12/28/2026	¥996.6 ¥762.4 ¥642.8 ¥617.9 View ¥586.3 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	100 MHz	256 kB	128 kB	12 bit	77 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 R7FA4M1AB3CNF#AA0 Renesas Electronics 1: ¥960.1 980On Order	Mfr. Part # R7FA4M1AB3CNF#AA0 Mouser Part # 968-R7FA4M1AB3CNFAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40 Learn More about Renesas Electronics renesas ra4m1 mcu	Datasheet	980On Order	¥960.1 ¥734.2 ¥644.5 ¥616.2 View ¥568.1 ¥551.5 ¥541.5 Quote	Min.: 1 Mult.: 1	SMD/SMT	QFN-40	ARM Cortex M4	32 bit	48 MHz	256 kB	32 kB	14 bit	28 I/O	1.6 V	5.5 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP48 R7FA4M2AC3CFL#AA0 Renesas Electronics 1: ¥853.8 250Expected 12/25/2026	Mfr. Part # R7FA4M2AC3CFL#AA0 Mouser Part # 968-7FA4M2AC3CFL#AA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP48 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	250Expected 12/25/2026	¥853.8 ¥651.1 ¥568.1 ¥543.1 View ¥514.9 ¥498.3	Min.: 1 Mult.: 1	SMD/SMT	LQFP-48	ARM Cortex M33	32 bit	100 MHz	384 kB	128 kB	12 bit	29 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP64 R7FA4M3AF3CFM#AA0 Renesas Electronics 1: ¥1,157.7 65Expected 1/18/2027	Mfr. Part # R7FA4M3AF3CFM#AA0 Mouser Part # 968-R7FA4M3AF3CFMAA0	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP64 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	65Expected 1/18/2027	¥1,157.7 ¥890.3 ¥782.3 ¥749.1 View ¥692.6 ¥691 Quote	Min.: 1 Mult.: 1	SMD/SMT	LQFP-64	ARM Cortex M33	32 bit	100 MHz	1 MB	128 kB	12 bit	41 I/O	2.7 V	3.6 V	+ 105 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP64 R7FA4M2AC3CFM#BA0 Renesas Electronics 1,280: ¥529.9 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # R7FA4M2AC3CFM#BA0 Mouser Part # 968-0F3368GJAGAEE2AX	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP64 Learn More about Renesas Electronics renesas ra4m2 mcus	Datasheet	Non-Stocked Lead-Time 18 Weeks	¥529.9 ¥516.6 Quote Quote	Min.: 1,280 Mult.: 1,280	SMD/SMT	LQFP-64	ARM Cortex M33	32 bit	100 MHz	128 kB	8 kB	12 bit	43 I/O	2.7 V	3.6 V	+ 85 C	Tray
ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100 R7FA4M3AF3CFP#HA0 Renesas Electronics 1,000: ¥762.4 Non-Stocked Lead-Time 18 Weeks	Mfr. Part # R7FA4M3AF3CFP#HA0 Mouser Part # 968-3371M2GBAGAHE2AX	Renesas Electronics	ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100 Learn More about Renesas Electronics renesas ra4m3 mcu	Datasheet	Non-Stocked Lead-Time 18 Weeks	Reel ¥762.4 ¥749.1 Quote Quote	Min.: 1,000 Mult.: 1,000 : 1,000	SMD/SMT	LQFP-100	ARM Cortex M33	32 bit	100 MHz	8 kB	128 kB	12 bit	75 I/O	2.7 V	3.6 V	+ 105 C	Reel