256 kB Microcontrollers - MCU

Results: 1,314
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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
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Core
Program Memory Size
Data Bus Width
ADC Resolution
Maximum Clock Frequency
Number of I/Os
Data RAM Size
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Supply Voltage - Max
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STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 1 MB flash, 256 KB RAM, I3C, Ethernet, Dual FDCAN
Datasheet
6In Stock
540On Order
Min.: 1
Mult.: 1
Max.: 100

SMD/SMT LQFP-100 ARM Cortex M33 1 MB 32 bit 12 bit 144 MHz 86 I/O 256 kB 2.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32 Dynamic Efficiency MCU BAM, High-performance & DSP FPU, Arm Cortex-M4 MCU
Datasheet
27In Stock
12,480On Order
Min.: 1
Mult.: 1

SMD/SMT UFQFPN-48 ARM Cortex M4 1 MB 32 bit 12 bit 100 MHz 36 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32 Dynamic Efficiency MCU BAM, High-performance & DSP FPU, Arm Cortex-M4 MCU
Datasheet
347In Stock
960Expected 8/24/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M4 512 kB 32 bit 12 bit 100 MHz 50 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32 Dynamic Efficiency MCU BAM, High-performance & DSP FPU, Arm Cortex-M4 MCU
Datasheet
25In Stock
2,700Expected 8/9/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 512 kB 32 bit 12 bit 100 MHz 81 I/O 256 kB 1.7 V 3.6 V - 40 C + 125 C Tray
STMicroelectronics ARM Microcontrollers - MCU STM32 Dynamic Efficiency MCU BAM, High-performance & DSP FPU, Arm Cortex-M4 MCU
Datasheet
28In Stock
540Expected 8/2/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 512 kB 32 bit 12 bit 100 MHz 81 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32B ARM Cortex-M4 1Mb Flash 168MHz CPU
Datasheet
17In Stock
1,620On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M4 1 MB 32 bit 3 x 12 bit 180 MHz 82 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Hi-performance DSP FPU ARM CortexM4 MCU
Datasheet
7In Stock
360On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M4 2 MB 32 bit 3 x 12 bit 180 MHz 114 I/O 256 kB 1.7 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU DSP FPU ARM CortexM4 2Mb Flash 180MHz
Datasheet
14In Stock
800On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 ARM Cortex M4 2 MB 32 bit 3 x 12 bit 180 MHz 140 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU DSP FPU ARM CortexM4 1Mb Flash 180MHz
Datasheet
1In Stock
360Expected 1/4/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-144 ARM Cortex M4 1 MB 32 bit 3 x 12 bit 180 MHz 114 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 512 Kbytes of Flash 216 MHz CPU, A
Datasheet
18In Stock
3,840On Order
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M7 512 kB 32 bit 3 x 12 bit 216 MHz 50 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 512 Kbytes of Flash 216 MHz CPU, A
Datasheet
122In Stock
540Expected 8/2/2027
Min.: 1
Mult.: 1

SMD/SMT LQFP-100 ARM Cortex M7 512 kB 32 bit 3 x 12 bit 216 MHz 82 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 512 Kbytes of Flash 216 MHz CPU, A
Datasheet
14In Stock
2,496On Order
Min.: 1
Mult.: 1

SMD/SMT UFBGA-144 ARM Cortex M7 512 kB 32 bit 12 bit 216 MHz 112 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 512 Kbytes of Flash 216 MHz CPU, A
Datasheet
21In Stock
960Expected 11/4/2026
Min.: 1
Mult.: 1

SMD/SMT LQFP-64 ARM Cortex M7 512 kB 32 bit 3 x 12 bit 216 MHz 50 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
20In Stock
2,700On Order
Min.: 1
Mult.: 1
Max.: 500

SMD/SMT LQFP-100 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 83 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 110 MHz 512 kbytes of Flash
Datasheet
30In Stock
360Expected 1/11/2027
Min.: 1
Mult.: 1
Max.: 150

SMD/SMT LQFP-144 ARM Cortex M33 512 kB 32 bit 2 x 12 bit 110 MHz 115 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 512 Kbytes
Datasheet
339In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT UFQFPN-48 ARM Cortex M4 512 kB 32 bit 12 bit 64 MHz 30 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 1 Mbyte of
Datasheet
28In Stock
9,360On Order
Min.: 1
Mult.: 1

SMD/SMT VFQFPN-68 ARM Cortex M0+, ARM Cortex M4 1 MB 32 bit 12 bit 32 MHz, 64 MHz 49 I/O 256 kB 1.71 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz 1 Mbyte of
Datasheet
28In Stock
5,000Expected 12/25/2026
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

SMD/SMT VFQFPN-68 ARM Cortex M4 1 MB 32 bit 12 bit 64 MHz 49 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU CM4, TQFP128, 1MFlash, Tray, USB, Ethernet, CAN, Extended Flash Performance
Datasheet
75In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-128 ARM Cortex M4F 1 MB 32 bit 12 bit 120 MHz 99 I/O 256 kB 1.71 V 3.63 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU 120MHZ 1024KB FLASH 64 TQFP PKG 85C
Datasheet
76In Stock
320Expected 9/8/2026
Min.: 1
Mult.: 1

SMD/SMT TQFP-64 ARM Cortex M4F 1 MB 32 bit 12 bit 120 MHz 51 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU CM4,TQFP128, 1MFlash,Tray,USB,CAN,Ethernet,Extended Temp
Datasheet
33In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-128 ARM Cortex M4F 1 MB 32 bit 12 bit 120 MHz 99 I/O 256 kB 1.71 V 3.6 V - 40 C + 125 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU CM7,512kB Flash,256kB SRAM,BGA144
Datasheet
38In Stock
Min.: 1
Mult.: 1

SMD/SMT LFBGA-144 ARM Cortex M7 512 kB 32 bit 12 bit 300 MHz 114 I/O 256 kB 1.7 V 3.6 V - 40 C + 105 C Tray

Microchip Technology 32-bit Microcontrollers - MCU MCU32, 120MHz, 1MB ECC Flash, USB FS, 12-bit ADC
Datasheet
5In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 MIPS32 microAptiv 1 MB 32 bit 12 bit 120 MHz 48 I/O 256 kB 2.2 V 3.6 V - 40 C + 85 C Tube
Microchip Technology 32-bit Microcontrollers - MCU 32-bit cache-based MCU, Graphics Integrated
Datasheet
15In Stock
Min.: 1
Mult.: 1

SMD/SMT LQFP-176 MIPS32 microAptiv 1 MB 32 bit 12 bit 50 MHz 120 I/O 256 kB 2.2 V 3.6 V - 40 C + 85 C Tray
Microchip Technology 32-bit Microcontrollers - MCU MCU32, 120MHz, 1MB ECC Flash, USB FS, CAN-FD, 12-bit ADC, Motor Control
Datasheet
61In Stock
Min.: 1
Mult.: 1

SMD/SMT QFN-64 MIPS32 microAptiv 1 MB 32 bit 12 bit 80 MHz 49 I/O 256 kB 2.3 V 3.6 V - 40 C + 125 C Tube