256 kB Embedded Processors & Controllers

Results: 4,706
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Description Datasheet Availability Pricing (SGD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS Product Type
Mounting Style
Package/Case
Core
Data Bus Width
Maximum Clock Frequency
Program Memory Size
L1 Cache Instruction Memory
L1 Cache Data Memory
Data RAM Size
ADC Resolution
Number of I/Os
Minimum Operating Temperature
Maximum Operating Temperature
Qualification
Packaging
STMicroelectronics ARM Microcontrollers - MCU Mainstream Connectivity line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU,
Datasheet
375In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-100 ARM Cortex M3 32 bit 72 MHz 256 kB 64 kB 12 bit 80 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M3 MCU 256 Kbytes of Flash , 120 MHz CPU, ART Accel
Datasheet
345In Stock
960Expected 28/9/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 51 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU 32BIT ARM Cortex M3 Connectivity 128kB
Datasheet
172In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 114 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Hi-perf ARM Cortex M3 MCU 256Kb
Datasheet
247In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 500

ARM Microcontrollers - MCU SMD/SMT LQFP-144 ARM Cortex M3 32 bit 120 MHz 256 kB 96 kB 12 bit 114 I/O - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
1,001In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 2 x 6 bit/8 bit/10 bit/12 bit 37 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
929In Stock
3,000On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 16 kB 2 x 6 bit/8 bit/10 bit/12 bit 37 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
361In Stock
Min.: 1
Mult.: 1
: 1,000

ARM Microcontrollers - MCU SMD/SMT ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 2 x 6 bit/8 bit/10 bit/12 bit 87 I/O - 40 C + 85 C Reel, Cut Tape
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
1,437In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,400

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M4 32 bit 72 MHz 256 kB 40 kB 4 x 6 bit/8 bit/10 bit/12 bit 37 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 KBytes of Flash
Datasheet
930In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M4 32 bit 72 MHz 256 kB 32 kB 12 bit, 3 x 16 bit 80 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
Datasheet
1,880In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-100 ARM Cortex M4 32 bit 72 MHz 256 kB 32 kB 12 bit, 3 x 16 bit 129 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
2,575In Stock
5,000On Order
MouseReel Available
Min.: 1
Mult.: 1
: 2,500

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 84 MHz 256 kB 64 kB 12 bit 36 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
2,204In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 84 MHz 256 kB 64 kB 12 bit 36 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
1,526In Stock
Min.: 1
Mult.: 1
: 2,500

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 100 MHz 256 kB 128 kB 12 bit 36 I/O - 40 C + 85 C Reel, Cut Tape
STMicroelectronics ARM Microcontrollers - MCU STM32 Dyn Eff MCU 256 K 100 MHz CPU
Datasheet
953In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M4 32 bit 100 MHz 256 kB 128 kB 12 bit 50 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
940In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M4 32 bit 100 MHz 256 kB 128 kB 12 bit 50 I/O - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
Datasheet
915In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-100 ARM Cortex M4 32 bit 100 MHz 256 kB 128 kB 12 bit 81 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
Datasheet
1,040In Stock
2,880On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M4 32 bit 180 MHz 256 kB 128 kB 3 x 12 bit 50 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex M0+ 32-bit MCU, up to 512KB Flash, 144KB RAM
Datasheet
3,116In Stock
3,120On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT ARM Cortex M0+ 32 bit 64 MHz 256 kB 144 kB 12 bit 44 I/O - 40 C + 85 C Tray

STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0+ 32-bit MCU up to 256KB 144KB RAM 6x USART timers ADC D
Datasheet
1,172In Stock
2,940On Order
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT UFQFPN-32 ARM Cortex M0+ 32 bit 64 MHz 256 kB 144 kB 12 bit 30 I/O - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4+ MCU 170MHz with 256Kbytes of Flash memory
Datasheet
3,762In Stock
3,120Expected 30/9/2026
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT UFQFPN-48 ARM Cortex M4 32 bit 170 MHz 256 kB 112 kB 4 x 12 bit 42 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Value Line M3 ARM 32 Kbytes 32 MHz
Datasheet
741In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 256 kB 16 kB 12 bit 51 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M3 MCU 256 Kbytes of Flash 32 MHz CPU, USB, 2xOp-amp
Datasheet
1,525In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 2,400

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 37 I/O - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz
Datasheet
1,285In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-48 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 37 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra Low M3 ARM 256 Kbytes 32 MHz
Datasheet
798In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT LQFP-64 ARM Cortex M3 32 bit 32 MHz 256 kB 32 kB 12 bit 51 I/O - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
Datasheet
1,903In Stock
Min.: 1
Mult.: 1

ARM Microcontrollers - MCU SMD/SMT UFBGA-64 ARM Cortex M4 32 bit 80 MHz 256 kB 64 kB 12 bit 52 I/O - 40 C + 85 C Tray