256 kB 32-bit Microcontrollers - MCU

Results: 1,284
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (USD) 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 RAM Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Supply Voltage - Min
Supply Voltage - Max
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX24T 256K/16K QFP100
Datasheet
450In Stock
Min.: 1
Mult.: 1

RX24T SMD/SMT LFQFP-100 RXv2 256 kB 16 kB 32 bit 12 bit 80 MHz 80 I/O 2.7 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX24TH,U 256K/32K QFP100
Datasheet
360In Stock
Min.: 1
Mult.: 1

RX24U SMD/SMT LFQFP-100 RXv2 256 kB 32 kB 32 bit 12 bit 80 MHz 79 I/O 2.7 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP100
Datasheet
350In Stock
Min.: 1
Mult.: 1

RX66T SMD/SMT LFQFP-100 RXv3 256 kB 64 kB 32 bit 12 bit 160 MHz 73 I/O 2.7 V 5.5 V - 40 C + 105 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX66T-L 256K/64K QFP80
Datasheet
357In Stock
Min.: 1
Mult.: 1

RX66T SMD/SMT LFQFP-80 RXv3 256 kB 64 kB 32 bit 12 bit 160 MHz 52 I/O 2.7 V 5.5 V - 40 C + 105 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 80
Datasheet
230In Stock
Min.: 1
Mult.: 1

MCF51AC SMD/SMT LQFP-80 ColdFire V1 256 kB 32 kB 32 bit 12 bit 50.33 MHz 69 I/O 2.7 V 5.5 V - 40 C + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 64
Datasheet
360In Stock
Min.: 1
Mult.: 1

MCF51AC SMD/SMT LQFP-64 ColdFire V1 256 kB 32 kB 32 bit 12 bit 50.33 MHz 54 I/O 2.7 V 5.5 V - 40 C + 85 C Tray
NXP Semiconductors 32-bit Microcontrollers - MCU MCF51AC 32-bit MCU, ColdFire V1 core, 256KB Flash, 50MHz, QFP 80
Datasheet
432In Stock
Min.: 1
Mult.: 1

MCF51AC SMD/SMT LQFP-80 ColdFire V1 256 kB 32 kB 32 bit 12 bit 50.33 MHz 69 I/O 2.7 V 5.5 V - 40 C + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP100
Datasheet
1,384In Stock
Min.: 1
Mult.: 1

RX621 SMD/SMT LQFP-100 RX 256 kB 64 kB 32 bit 12 bit 100 MHz 72 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX631 256K/64K QFP48
Datasheet
263In Stock
Min.: 1
Mult.: 1

RX631 SMD/SMT LQFP-48 RX 256 kB 64 kB 32 bit 10 bit, 12 bit 100 MHz 30 I/O 2.7 V 3.6 V - 40 C + 85 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX63T 256K/24K QFP120
Datasheet
180In Stock
Min.: 1
Mult.: 1

RX63T SMD/SMT LQFP-120 RX 256 kB 24 kB 32 bit 10 bit, 12 bit 100 MHz 72 I/O 4 V 5.5 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU UC3L-256KB FL 85C
Datasheet
37In Stock
2,500Expected 9/1/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

AT32UC3L0 SMD/SMT TQFP-48 AVR 256 kB 32 kB 32 bit 12 bit 50 MHz 36 I/O 1.8 V 1.8 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
174In Stock
Min.: 1
Mult.: 1

PIC32MX1xx SMD/SMT SOIC-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube

Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
266In Stock
Min.: 1
Mult.: 1

PIC32MX1xx Through Hole PDIP-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube

Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC
Datasheet
91In Stock
Min.: 1
Mult.: 1

PIC32MX1xx SMD/SMT QFN-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 34 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC
Datasheet
307In Stock
Min.: 1
Mult.: 1

PIC32MX1xx SMD/SMT SOIC-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC
Datasheet
76In Stock
Min.: 1
Mult.: 1

PIC32MX1xx Through Hole PDIP-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
200In Stock
Min.: 1
Mult.: 1

PIC32MX1xx SMD/SMT TQFP-44 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 34 I/O 2.3 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 32KB RAM I2S, CTMU, UART, ADC
Datasheet
281In Stock
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT TQFP-64 MIPS32 M4K 256 kB 32 kB 32 bit 10 bit 40 MHz 49 I/O 2.3 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
94In Stock
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT SOIC-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
83In Stock
Min.: 1
Mult.: 1

PIC32MX2xx Through Hole PDIP-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC
Datasheet
40In Stock
183Expected 10/16/2026
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT QFN-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 19 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
163In Stock
Min.: 1
Mult.: 1

PIC32MX2xx Through Hole PDIP-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 40MHz, 10-bit ADC
Datasheet
188In Stock
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT SSOP-28 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 21 I/O 2.3 V 3.6 V - 40 C + 105 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32-Bit MCU, 256K FL 64KB RAM, 10b ADC
Datasheet
35In Stock
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT QFN-44 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 40 MHz 33 I/O 2.3 V 3.6 V - 40 C + 105 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 256KB Flash 64KB RAM 50MHz, 10-bit ADC
Datasheet
125In Stock
Min.: 1
Mult.: 1

PIC32MX2xx SMD/SMT QFN-44 MIPS32 M4K 256 kB 64 kB 32 bit 10 bit 50 MHz 33 I/O 2.3 V 3.6 V - 40 C + 85 C Tube