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
STMicroelectronics ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl
14,660On Order
$9.02
$6.82
$6.44
$5.74
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
$6.10
$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-M0+ 32-bit MCU up to 512KB Flash 144KB RAM
13,737On Order
$5.91
$4.32
$4.00
$3.61
Min.: 1
Mult.: 1
Max.: 1,000
STM32G0 SMD/SMT ARM Cortex M0+ 256 kB 32 bit 12 bit 64 MHz 42 I/O 144 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 65In Stock
7,800Expected 12/21/2026
$5.17
$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
12,292On Order
$5.86
$4.25
$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
$6.01
$4.94
$4.15
$3.87
Reel
$3.51
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
44,895On Order
$6.54
$4.98
$4.52
$4.17
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
42,990On Order
Cut Tape
$7.01
$4.67
$4.09
$3.83
$3.53
Reel
$3.43
Min.: 1
Mult.: 1
Max.: 1,000
: 1,000
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 Reel, Cut Tape, MouseReel
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
$4.10
$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 1/4/2027
$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
17,950On Order
$4.49
$3.24
$2.89
$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
$5.24
$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
$4.16
$3.13
$2.72
$2.59
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 3/5/2027
Cut Tape
$10.82
$8.80
$8.37
$7.46
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
Microchip Technology ARM Microcontrollers - MCU ARM Cortex-M0+ 64KB flash 12kb SRAM
14,482Expected 12/25/2026
Cut Tape
$5.95
$5.76
Reel
$4.88
Min.: 1
Mult.: 1
: 5,000
SAML21 SMD/SMT VQFN-32 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 25 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Microchip Technology ARM Microcontrollers - MCU ARM Cortex-M0+ 256KBFlash 40KB SRAM
3,754Expected 1/4/2027
Cut Tape
$6.56
$6.34
Reel
$5.41
Min.: 1
Mult.: 1
: 4,000
SAML21 SMD/SMT VQFN-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 51 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel

Infineon Technologies ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP
980On Order
$29.39
$23.69
$21.40
$20.61
Min.: 1
Mult.: 1
CY8C58LPxxx SMD/SMT QFN-68 ARM Cortex M3 256 kB 32 bit 12 bit 67 MHz 48 I/O 64 kB 1.71 V 1.89 V - 40 C + 85 C Tray