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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Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Series
Mounting Style
Package / Case
Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Packaging
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFN48
Datasheet
1,480In Stock
Min.: 1
Mult.: 1

RA4M2 SMD/SMT QFN-48 ARM Cortex M33 512 kB 32 bit 12 bit 100 MHz 29 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN64
Datasheet
587In Stock
Min.: 1
Mult.: 1

RA4M1 SMD/SMT QFN-64 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 52 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP48
Datasheet
3,460In Stock
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-48 ARM Cortex M33 512 kB 32 bit 12 bit 100 MHz 29 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP64
Datasheet
3,520In Stock
1,600Expected 11/26/2026
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-64 ARM Cortex M33 512 kB 32 bit 12 bit 100 MHz 43 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP144
Datasheet
2,089In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-144 ARM Cortex M33 512 kB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP64
Datasheet
401In Stock
320Expected 12/14/2026
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-64 ARM Cortex M33 768 kB 32 bit 12 bit 100 MHz 41 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144
Datasheet
476In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-144 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K LGA100
Datasheet
416In Stock
Min.: 1
Mult.: 1

RA4M1 SMD/SMT LGA-100 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 84 I/O 32 kB 1.6 V 5.5 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFN48
Datasheet
30In Stock
Min.: 1
Mult.: 1

RA4M1 SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 36 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray

Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHZ 256K/32K QFN40
Datasheet
167In Stock
490Expected 8/27/2026
Min.: 1
Mult.: 1

RA4M1 SMD/SMT QFN-40 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 28 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K QFP100
Datasheet
9In Stock
2,700On Order
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 12 bit 100 MHz 77 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 512K/128K BGA144
Datasheet
1,980In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT BGA-144 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K BGA144
Datasheet
2,080In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT BGA-144 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 768K/128K QFP100
Datasheet
309In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-100 ARM Cortex M33 768 kB 32 bit 12 bit 100 MHz 75 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA144
Datasheet
2,143In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT BGA-144 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K BGA64
Datasheet
463In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT BGA-64 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 45 I/O 128 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP144
Datasheet
229In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-144 ARM Cortex M33 1 MB 32 bit 12 bit 100 MHz 109 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP64
Datasheet
124In Stock
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-64 ARM Cortex M33 1 MB 32 bit 12 bit 100 MHz 41 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100
Datasheet
20In Stock
175On Order
Min.: 1
Mult.: 1

RA4M3 SMD/SMT LQFP-100 ARM Cortex M33 1 MB 32 bit 12 bit 100 MHz 75 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM4 48MHz 256K/32K QFP48
Datasheet
496On Order
Min.: 1
Mult.: 1

RA4M1 SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 14 bit 48 MHz 36 I/O 32 kB 1.6 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 256K/128K QFP100
Datasheet
990On Order
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-100 ARM Cortex M33 256 kB 32 bit 12 bit 100 MHz 77 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP48
Datasheet
250On Order
Min.: 1
Mult.: 1

RA4M2 SMD/SMT LQFP-48 ARM Cortex M33 384 kB 32 bit 12 bit 100 MHz 29 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP64
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,280
Mult.: 1,280

RA4M2 SMD/SMT LQFP-64 ARM Cortex M33 128 kB 32 bit 12 bit 100 MHz 43 I/O 8 kB 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 1MB/128K QFP100
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,000
Mult.: 1,000
: 1,000

RA4M3 SMD/SMT LQFP-100 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 75 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Reel
Renesas Electronics ARM Microcontrollers - MCU MCU RA4 ARM CM33 100MHz 384K/128K QFP64
Datasheet
Non-Stocked Lead-Time 18 Weeks
Min.: 1,500
Mult.: 1,500
: 1,500

RA4M2 SMD/SMT LQFP-64 ARM Cortex M33 8 kB 32 bit 12 bit 100 MHz 43 I/O 128 kB 2.7 V 3.6 V - 40 C + 105 C Reel