256 kB ARM Microcontrollers - MCU

Results: 1,877
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 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
Silicon Labs ARM Microcontrollers - MCU Wonder Gecko MCU IC 256KB
1,800Expected 2026/11/20
$15.41
$12.07
$11.23
$10.32
Min.: 1
Mult.: 1
EFM32WG SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 83 I/O 32 kB 1.98 V 3.8 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU
38,110On Order
Cut Tape
$5.65
$3.22
$2.97
$2.67
Reel
$2.31
Min.: 1
Mult.: 1
: 2,400
STM32F030CC SMD/SMT LQFP-48 ARM Cortex M0 256 kB 32 bit 12 bit 48 MHz 37 I/O 32 kB 2.4 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU
3,000Expected 2027/09/27
$9.48
$7.34
$6.48
$5.83
$5.76
Min.: 1
Mult.: 1
STM32F3 SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 4 x 6 bit/8 bit/10 bit/12 bit 72 MHz 37 I/O 40 kB 2 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance access line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash
9,974On Order
Cut Tape
$6.30
$4.83
$4.22
$4.04
$3.73
Reel
$3.62
Min.: 1
Mult.: 1
: 1,000
STM32F401RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 84 MHz 50 I/O 64 kB 1.7 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
14,660On Order
$9.02
$6.83
$6.44
$5.75
Min.: 1
Mult.: 1
STM32F446RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
5,758On Order
$8.92
$6.90
$6.11
$5.85
Min.: 1
Mult.: 1
STM32F446RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 105 C Tray
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
4,200On Order
Cut Tape
$9.33
$7.09
$6.54
$5.93
Reel
$5.29
Min.: 1
Mult.: 1
: 1,000
STM32F446RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 3 x 12 bit 180 MHz 50 I/O 128 kB 1.7 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU High-performance & DSP FPU, Arm Cortex-M7 MCU 256 Kbytes of Flash 216 MHz CPU, A
3,960On Order
$17.33
$13.63
$12.42
$12.00
Min.: 1
Mult.: 1
STM32F723ZC SMD/SMT ARM Cortex M7 256 kB 32 bit 3 x 12 bit 216 MHz 112 I/O 256 kB 1.7 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 MCU 170 MHz 256 Kbytes of Flash Math Accel, HR Timer, H
4,768On Order
$9.52
$7.40
$6.69
$6.19
Min.: 1
Mult.: 1
Max.: 960
STM32G4 SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 5 x 12 bit 170 MHz 52 I/O 128 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Mainstream Arm Cortex-M4 170 MHz 256 Kbytes Flash Math Accel High Analog level
11,735On Order
$7.68
$5.71
$5.14
$4.80
$4.44
Min.: 1
Mult.: 1
Max.: 2,940
STM32G4 SMD/SMT UFQFPN-32 ARM Cortex M4 256 kB 32 bit 12 bit 170 MHz 26 I/O 112 kB 1.71 V 3.6 V - 40 C + 125 C Tray

STMicroelectronics ARM Microcontrollers - MCU High-performance Arm Cortex-M33 MCU 256-Kbyte Flash 272-Kbyte RAM 250 MHz CPU
8,245On Order
$5.18
$3.70
$3.35
$3.05
Min.: 1
Mult.: 1
STM32H5 SMD/SMT UFQFPN-48 ARM Cortex M33 256 kB 32 bit 12 bit 250 MHz 272 kB 1.71 V 3.6 V - 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
8,833On Order
Cut Tape
$8.34
$6.44
$5.68
$5.44
Reel
$4.76
Min.: 1
Mult.: 1
: 2,500
STM32L151CC SMD/SMT UFQPFN-48 ARM Cortex M3 256 kB 32 bit 12 bit 32 MHz 37 I/O 32 kB 1.65 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
7,292On Order
$5.86
$4.26
$3.83
$3.52
Min.: 1
Mult.: 1
Max.: 1,500
STM32L431CC SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
23,810On Order
Cut Tape
$6.12
$4.70
$4.13
$3.78
Reel
$3.06
Min.: 1
Mult.: 1
Max.: 1,000
: 2,400
STM32L431CC SMD/SMT LQFP-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
48,526On Order
Cut Tape
$5.93
$4.65
$4.00
$3.66
Reel
$3.05
Min.: 1
Mult.: 1
Max.: 2,500
: 2,500
STM32L431CC SMD/SMT UFQFPN-48 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 38 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
44,895On Order
$6.54
$4.98
$4.52
$4.18
Min.: 1
Mult.: 1
Max.: 960
STM32L431RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash
4,320On Order
$7.29
$5.18
$4.76
$4.49
$4.36
Min.: 1
Mult.: 1
Max.: 540
STM32L431VC SMD/SMT LQFP-100 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 83 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , USB
19,716On Order
$6.15
$4.69
$4.11
$3.92
$3.62
Min.: 1
Mult.: 1
Max.: 2,940
STM32L432KC SMD/SMT UFQFPN-32 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 26 I/O 64 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M4 MCU 80 MHz 256 Kbytes of Flash , LCD, USB
4,374On Order
$6.58
$5.04
$4.42
$4.23
Min.: 1
Mult.: 1
Max.: 300
STM32L433RC SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 52 I/O 64 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 256 kbytes of Flash
4,950Expected 2026/12/31
$10.43
$8.11
$7.64
$6.86
Min.: 1
Mult.: 1
Max.: 1,500
STM32L5 SMD/SMT LQFP-48 ARM Cortex M33 256 kB 32 bit 2 x 12 bit 110 MHz 38 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU
18,700On Order
$4.49
$3.24
$2.90
$2.51
Min.: 1
Mult.: 1
Max.: 750
STM32U0 ARM Cortex M0 256 kB 48 MHz Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU
8,930On Order
$5.25
$3.31
$2.91
$2.74
Min.: 1
Mult.: 1
Max.: 500
STM32U0 ARM Cortex M0 256 kB 48 MHz Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, 48 MHz CPU
9,598On Order
$4.68
$3.37
$3.01
$2.72
Min.: 1
Mult.: 1
Max.: 960
STM32U0 ARM Cortex M0 256 kB 48 MHz Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M0+ MCU 256-Kbytes Flash LCD, USB, AES, 48 MHz CPU
14,038On Order
$4.66
$3.11
$2.69
$2.56
Min.: 1
Mult.: 1
Max.: 1,560
STM32U0 ARM Cortex M0 256 kB 48 MHz Tray
STMicroelectronics ARM Microcontrollers - MCU Sub-GHz Wireless Microcontrollers. Arm Cortex-M4 a.48 MHz 256 Kbytes of Flash 64
4,992Expected 2027/02/19
Cut Tape
$10.83
$8.80
$8.37
$7.47
Reel
$6.07
Min.: 1
Mult.: 1
: 5,000
STM32WL SMD/SMT UFBGA-73 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 43 I/O 64 kB 1.8 V 3.6 V - 40 C + 105 C Reel, Cut Tape, MouseReel