256 kB Microcontrollers - MCU

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Qty. RoHS 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
Qualification
Packaging
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 Fury 32-Bit ARM
Datasheet
386In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 10 bit 50 MHz 52 I/O 64 kB 2.25 V 2.75 V - 40 C + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU Stellaris Cortex-M3 10/100 MAC PHY CAN
Datasheet
104In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit No ADC 50 MHz 46 I/O 64 kB 2.25 V 2.75 V - 40 C + 85 C Tray
Renesas Electronics 16-bit Microcontrollers - MCU MCU 3V 256K Pb-Free 144-QFP
Datasheet
62In Stock
Min.: 1
Mult.: 1

SMD/SMT H8S/2600 256 kB 16 bit 10 bit 33 MHz 98 I/O 64 kB 3 V 3.6 V - 20 C + 75 C Tray
Renesas Electronics 32-bit Microcontrollers - MCU 32BIT MCU RX621 256K/64K QFP100
Datasheet
1,384In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 RX 256 kB 32 bit 12 bit 100 MHz 72 I/O 64 kB 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

SMD/SMT LQFP-48 RX 256 kB 32 bit 10 bit, 12 bit 100 MHz 30 I/O 64 kB 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

SMD/SMT LQFP-120 RX 256 kB 32 bit 10 bit, 12 bit 100 MHz 72 I/O 24 kB 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 9/7/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

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

Microchip Technology 8-bit Microcontrollers - MCU AVR 256K FLASH 4K EE 8K SRAM ADC 5V
Datasheet
41In Stock
Min.: 1
Mult.: 1

SMD/SMT MLF-64 AVR 256 kB 8 bit 10 bit 16 MHz 54 I/O 8 kB 4.5 V 5.5 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 256K Flash, 52K SRAM 32-bit ARM Cortex M3
Datasheet
178In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit 12 bit 96 MHz 57 I/O 52 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
24In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 43 I/O 32 kB 1.62 V 1.98 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
130In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 32 I/O 32 kB 1.62 V 1.98 V - 40 C + 85 C Tray

Microchip Technology ARM Microcontrollers - MCU QFNGREENIND
Datasheet
128In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-48 ARM Cortex M4 256 kB 32 bit 12 bit 120 MHz 34 I/O 64 kB 1.08 V 1.32 V - 40 C + 85 C Tray

Microchip Technology ARM Microcontrollers - MCU QFN,GREEN,EXT TEMP,MRL B
Datasheet
260In Stock
Min.: 1
Mult.: 1
SMD/SMT QFN-64 ARM Cortex M4 256 kB 32 bit 12 bit 120 MHz 47 I/O 64 kB 1.62 V 3.6 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU 64TQFP,85C TEMP, GREEN, 5V, 48MHZ, T&R
Datasheet
469In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SMD/SMT TQFP-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 52 I/O 32 kB 2.7 V 5.5 V - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU Cortx-M0+256KB FLASH
Datasheet
259In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-32 ARM Cortex M0 256 kB 32 bit 12 bit 48 MHz 26 I/O 32 kB 1.62 V 1.95 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 32QFN 105C, GREEN,1.6-3.6V,48MHz
Datasheet
248In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 26 I/O 32 kB 1.62 V 3.63 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU 48TQFP 105C, GREEN,1.6-3.6V,48MHz
Datasheet
193In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 38 I/O 32 kB 1.62 V 3.63 V - 40 C + 105 C Tray
Microchip Technology ARM Microcontrollers - MCU 32QFN 125C, GREEN,1.6-3.6V,48MHz
Datasheet
136In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-32 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 26 I/O 32 kB 1.62 V 3.63 V - 40 C + 125 C AEC-Q100 Tray

Microchip Technology ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Extended Temp
Datasheet
83In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-64 ARM Cortex M4F 256 kB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 125 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU CM4, QFN 64, 256KFlash,Tray, USB,Ethernet,Extended Temp
Datasheet
203In Stock
Min.: 1
Mult.: 1

SMD/SMT VQFN-64 ARM Cortex M4F 256 kB 32 bit 12 bit 120 MHz 51 I/O 128 kB 1.71 V 3.6 V - 40 C + 125 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU 100TQFP 85C, GREEN,1.6-3.6V,32MHz
Datasheet
80In Stock
1,000Expected 8/31/2026
Min.: 1
Mult.: 1
: 1,000

SMD/SMT TQFP-100 ARM Cortex M0+ 256 kB 32 bit 12 bit 32 MHz 82 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C Reel, Cut Tape

Microchip Technology 8-bit Microcontrollers - MCU 8/16 bit 1.6V-3.6V 256KB + 8KB
Datasheet
42In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 AVR 256 kB 8 bit/16 bit 12 bit 32 MHz 50 I/O 16 kB 1.6 V 3.6 V - 40 C + 85 C Tray

Microchip Technology 8-bit Microcontrollers - MCU 256K FLASH;4K EE;16K SRAM;1.6-3.6V;32MHz
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 AVR 256 kB 8 bit/16 bit 12 bit 32 MHz 50 I/O 16 kB 1.6 V 3.6 V - 40 C + 85 C Tray

Microchip Technology 16-bit Microcontrollers - MCU 16 Bit MCU, 16 MIPS 256KB Flash XLP, LCD
Datasheet
185In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 PIC24F 256 kB 16 bit 10 bit, 12 bit 32 MHz 53 I/O 16 kB 2 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 16-bit Microcontrollers - MCU 16 Bit MCU, 16 MIPS 256KB Flash XLP, LCD
Datasheet
164In Stock
Min.: 1
Mult.: 1

SMD/SMT BGA-100 PIC24F 256 kB 16 bit 10 bit, 12 bit 32 MHz 102 I/O 16 kB 2 V 3.6 V - 40 C + 85 C Tray