40 MHz SMD/SMT Microcontrollers - MCU

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Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
Data RAM Size
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Number of I/Os
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Supply Voltage - Max
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Packaging
Microchip Technology 16-bit Microcontrollers - MCU 16B MCU 28LD64KB DMA 40MIPS
Datasheet
2.112In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 PIC24H 16 bit 40 MHz 64 kB 8 kB 10 bit, 12 bit 21 I/O 3 V 3.6 V + 85 C AEC-Q100 Tube
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU
Datasheet
1.279In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M3 32 bit 40 MHz 256 kB 32 kB 12 bit 32 I/O 1.85 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
Datasheet
1.300In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 32 bit 40 MHz 1.02 MB 256 kB 12 bit 33 I/O 1.8 V 3.8 V + 85 C Tray
Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 1024 kB MCU
Datasheet
675In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 32 bit 40 MHz 1.02 MB 256 kB 12 bit 33 I/O 1.8 V 3.8 V + 125 C Tray

Silicon Labs ARM Microcontrollers - MCU ARM Cortex-M4 32-bit 40 MHz 256 kB MCU
Datasheet
1.386In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M4 32 bit 40 MHz 256 kB 32 kB 12 bit 24 I/O 1.85 V 3.8 V + 85 C Tray
NXP Semiconductors 8-bit Microcontrollers - MCU S08GT 8-bit MCU, S08 core, 16KB Flash, 40MHz, QFN 48
Datasheet
1.366In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.000

SMD/SMT QFN-48 S08 8 bit 40 MHz 16 kB 2 kB 10 bit 39 I/O 1.8 V 3.6 V + 85 C Reel, Cut Tape, MouseReel

NXP Semiconductors 8-bit Microcontrollers - MCU 8 BIT 32K FLASH 4K RAM
Datasheet
812In Stock
Min.: 1
Mult.: 1

SMD/SMT QFP-44 S08 8 bit 40 MHz 32 kB 2 kB 36 I/O 1.8 V 3.6 V + 85 C AEC-Q100 Tray

NXP Semiconductors 8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 32KB Flash, 40MHz, -40/+125degC, Automotive Qualified, QFP 44
Datasheet
800In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-44 S08 8 bit 40 MHz 32 kB 2 kB 10 bit 34 I/O 2.7 V 5.5 V + 125 C AEC-Q100 Tray

NXP Semiconductors 8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 40MHz, -40/+85degC, Automotive Qualified, SOP 20
Datasheet
1.970In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2.500

SMD/SMT TSSOP-20 S08 8 bit 40 MHz 16 kB 1 kB 10 bit 16 I/O 2.7 V 5.5 V + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
NXP Semiconductors 8-bit Microcontrollers - MCU 8-bit MCU, S08 core, 16KB Flash, 36MHz, -40/+125degC, Automotive Qualified, SOP 28
Datasheet
4.197In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5.000

SMD/SMT TSSOP-28 S08 8 bit 40 MHz 16 kB 1 kB 10 bit 22 I/O 2.7 V 5.5 V + 125 C AEC-Q100 Reel, Cut Tape, MouseReel
NXP Semiconductors 8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF
Datasheet
1.789In Stock
Min.: 1
Mult.: 1

SMD/SMT TSSOP-16 S08 8 bit 40 MHz 4 kB 256 B 10 bit 13 I/O 2.7 V 5.5 V + 85 C Tube
Renesas Electronics 16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 64
Datasheet
114In Stock
160Expected 8/31/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 RL78 16 bit 40 MHz 256 kB 24 kB 12 bit 52 I/O 2.7 V 5.5 V + 125 C Tray
Renesas Electronics 16-bit Microcontrollers - MCU 16-BIT GENERAL MCU_RL78/F24-CAN_256KB LFQFP 100
Datasheet
346In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 RL78 16 bit 40 MHz 256 kB 24 kB 12 bit 86 I/O 2.7 V 5.5 V + 125 C Tray

Microchip Technology 8-bit Microcontrollers - MCU CAN-STICK Bootloader UART IND
Datasheet
1.539In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 40 MHz 32 kB 1.2 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32kF ADC EEP TQFP44 ind 5V GREEN
Datasheet
332In Stock
2.720Expected 9/4/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 40 MHz 32 kB 128 B 10 bit 34 I/O 3 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU CAN TQFP44 TRAY I. Bootloader CAN GREEN
Datasheet
922In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 8051 8 bit 40 MHz 32 kB 1.25 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tray
Microchip Technology 16-bit Microcontrollers - MCU 40MIPS 128KB
Datasheet
395In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 PIC24H 16 bit 40 MHz 128 kB 8 kB 10 bit, 12 bit 53 I/O 3 V 3.6 V + 85 C Tray
Microchip Technology 16-bit Microcontrollers - MCU 40MIPS 256KB
Datasheet
172In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-100 PIC24H 16 bit 40 MHz 256 kB 16 kB 10 bit, 12 bit 85 I/O 3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 32Bit MCU 64KB Flash 8KB RAM, I2S, CTMU
Datasheet
871In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 53 I/O 2.3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 64KB FL 16KB RAM 40MHz 44Pin
Datasheet
843In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 34 I/O 2.3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 128KB Flash 16KB RAM I2S, CTMU, UART, AD
Datasheet
475In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 MIPS32 M4K 32 bit 40 MHz 128 kB 16 kB 10 bit 53 I/O 2.3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin
Datasheet
438In Stock
2.135Expected 9/28/2026
Min.: 1
Mult.: 1

SMD/SMT QFN-28 MIPS32 M4K 32 bit 40 MHz 128 kB 32 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin
Datasheet
537In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 128 kB 32 kB 10 bit 35 I/O 2.3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin
Datasheet
1.551In Stock
3.600On Order
MouseReel Available
Min.: 1
Mult.: 1
: 1.200

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 128 kB 32 kB 10 bit 35 I/O 2.3 V 3.6 V + 85 C Reel, Cut Tape, MouseReel
Microchip Technology 32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 44 Pin
Datasheet
1.252In Stock
2.080Expected 9/28/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 128 kB 32 kB 10 bit 33 I/O 2.3 V 3.6 V + 85 C Tray