40 MHz Microcontrollers - MCU

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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
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Packaging
Analog Devices ARM Microcontrollers - MCU Precision Analog Microcontroller ARM7TDMI MCU with 12-Bit ADC and DDS DAC
Datasheet
380In Stock
Min.: 1
Mult.: 1
Max.: 405

SMD/SMT LQFP-64 ARM7TDMI 32 bit/16 bit 40 MHz 126 kB 8 kB 12 bit 28 I/O 3 V 3.6 V + 125 C Tray
Analog Devices / Maxim Integrated 8-bit Microcontrollers - MCU Dual CAN High-Speed Microprocessor
Datasheet
214In Stock
Min.: 1
Mult.: 1
Max.: 214

SMD/SMT LQFP-64 8051 8 bit 40 MHz 4 kB 4 kB No ADC 32 I/O 3.85 V 5.5 V + 85 C Tray
NXP Semiconductors 8-bit Microcontrollers - MCU 9S08 UC W/ 8K 0.25UM SGF
Datasheet
1,206In 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 + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU 16KB 768 RAM 34I/O
Datasheet
1In Stock
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 PIC18 8 bit 40 MHz 16 kB 768 B 10 bit 34 I/O 4.2 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 16KB 768 RAM 34I/O
Datasheet
1In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 PIC18 8 bit 40 MHz 16 kB 768 B 10 bit 34 I/O 4.2 V 5.5 V + 85 C Tube
Microchip Technology 8-bit Microcontrollers - MCU 16KB 768 RAM 34I/O
Datasheet
116In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 PIC18 8 bit 40 MHz 16 kB 768 B 10 bit 34 I/O 4.2 V 5.5 V + 85 C Tray
Microchip Technology 8-bit Microcontrollers - MCU 32KB 1536 RAM 34I/O
Datasheet
52In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-40 PIC18 8 bit 40 MHz 32 kB 1.5 kB 10 bit 34 I/O 4.2 V 5.5 V + 125 C Tube

Microchip Technology 8-bit Microcontrollers - MCU C51AC2 32K FLASHADC EEP 5V
Datasheet
20In Stock
81Expected 11/09/2026
Min.: 1
Mult.: 1

SMD/SMT PLCC-44 8051 8 bit 40 MHz 32 kB 1.25 kB 10 bit 34 I/O 3 V 5.5 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 16KB FL 4KB RAM 40MHz 28Pin
Datasheet
75In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-28 MIPS32 M4K 32 bit 40 MHz 16 kB 4 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 16KB FL 4KBRAM 40MHz CTMU 4 DMA
Datasheet
2In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 16 kB 4 kB 10 bit 34 I/O 2.3 V 3.6 V + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz CTMU 4 DMA
Datasheet
87In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-28 MIPS32 M4K 32 bit 40 MHz 32 kB 8 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz CTMU 4 DMA
Datasheet
267In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 MIPS32 M4K 32 bit 40 MHz 32 kB 8 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 32KB FL 8KB RAM 40MHz 28Pin
Datasheet
22In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-28 MIPS32 M4K 32 bit 40 MHz 32 kB 8 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz CTMU 4 DMA
Datasheet
188In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 32 kB 8 kB 10 bit 34 I/O 2.3 V 3.6 V + 85 C Tray

Microchip Technology 32-bit Microcontrollers - MCU 32Bit MCU 64KB Flash 8KB RAM, I2S, CTMU
Datasheet
38In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 53 I/O 2.3 V 3.6 V + 105 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 64KB FL 16KB RAM 40MHz 28Pin
Datasheet
139In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 64KB FL 16KB RAM 40MHz 28Pin
Datasheet
393In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-28 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 21 I/O 2.3 V 3.6 V + 85 C Tube

Microchip Technology 32-bit Microcontrollers - MCU 32B MCU 64KB FL 16KB RAM 40MHz 44Pin
Datasheet
37In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-44 MIPS32 M4K 32 bit 40 MHz 64 kB 16 kB 10 bit 34 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32B 128KB FL 32KB RAM 40MHz 28 Pin
Datasheet
405In Stock
1,080Expected 04/09/2026
Min.: 1
Mult.: 1

SMD/SMT SOIC-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 28 Pin
Datasheet
142In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-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 28 Pin
Datasheet
217In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-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 MCU 16KB FL 4KB RAM 40MHz 28Pin
Datasheet
228In Stock
Min.: 1
Mult.: 1

Through Hole PDIP-28 MIPS32 M4K 32 bit 40 MHz 16 kB 4 kB 10 bit 19 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz USB CTMU 4 DMA
Datasheet
137In Stock
Min.: 1
Mult.: 1

SMD/SMT SOIC-28 MIPS32 M4K 32 bit 40 MHz 32 kB 8 kB 10 bit 19 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz USB CTMU 4 DMA
Datasheet
46In Stock
Min.: 1
Mult.: 1

SMD/SMT SSOP-28 MIPS32 M4K 32 bit 40 MHz 35 kB 8 kB 10 bit 19 I/O 2.3 V 3.6 V + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU PIC32 32KB FL 8KBRAM 40MHz USB CTMU 4 DMA
Datasheet
72In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-44 MIPS32 M4K 32 bit 40 MHz 35 kB 8 kB 10 bit 33 I/O 2.3 V 3.6 V + 85 C Tray