256 kB ARM Microcontrollers - MCU

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Qty. RoHS ECAD Model Series
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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
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STMicroelectronics ARM Microcontrollers - MCU Multiprotocol LPWAN 32-bit Arm Cortex-M4 MCUs LoRa (G)FSK-MSK BPSK 256KB Flash
Datasheet
813In Stock
7,800On Order
Min.: 1
Mult.: 1

STM32WL SMD/SMT UFQFPN-48 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 Tray
Microchip Technology ARM Microcontrollers - MCU MRL A 256K Flash 48K SRAM Ind Temp
Datasheet
1,756In Stock
Min.: 1
Mult.: 1

SAM3S SMD/SMT QFP-64 ARM Cortex M3 256 kB 32 bit 12 bit 64 MHz 47 I/O 48 kB 1.62 V 1.9 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU TQFP, Green, IND TEMP, CRYPTO, MRL A
Datasheet
673In Stock
Min.: 1
Mult.: 1

SAM4L SMD/SMT TQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 48 MHz 48 I/O 32 kB 1.62 V 1.98 V - 40 C + 85 C Tray
Microchip Technology ARM Microcontrollers - MCU LQFPGRNIND TEMPMRL A
Datasheet
2,331In Stock
Min.: 1
Mult.: 1

SAM4S SMD/SMT LQFP-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 Cortx-M0+256KB FLASH
Datasheet
2,743In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 5,000

SAMD1/2x SMD/SMT QFN-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 Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU Cortex-M0+ 256KB FLASH 32KB SRAM
Datasheet
1,348In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 4,000

SAMD1/2x SMD/SMT QFN-48 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 38 I/O 32 kB 1.62 V 1.95 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU 64KB 8KB32TQFP GRN 1.6-3.6V 48MHz
Datasheet
697In Stock
Min.: 1
Mult.: 1

SAMD21 SMD/SMT TQFP-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 + 85 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU 256KB 32KB 64TQFP GRN1.6-3.6V48MHz
Datasheet
1,692In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SAMD21 SMD/SMT TQFP-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 48 MHz 52 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 TQFP PKG 85C
Datasheet
1,113In Stock
Min.: 1
Mult.: 1

ATSAMD51 SMD/SMT TQFP-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 + 85 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 TQFP PKG IN 85C
Datasheet
1,348In Stock
Min.: 1
Mult.: 1
: 1,500

ATSAMD51 SMD/SMT TQFP-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 + 85 C AEC-Q100 Reel, Cut Tape
Microchip Technology ARM Microcontrollers - MCU CM4, TQFP 64, 256KFlash,Tray, USB,CAN ,Extended Temp
Datasheet
263In Stock
Min.: 1
Mult.: 1

ATSAME51 SMD/SMT TQFP-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 120MHZ 256KB FLASH 6 4 QFN PKG 85C
Datasheet
1,301In Stock
Min.: 1
Mult.: 1

ATSAME51 SMD/SMT QFN-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 + 85 C AEC-Q100 Tray

Microchip Technology ARM Microcontrollers - MCU 120MHZ 256KB FLASH 6 4 QFN PKG 85C
Datasheet
506In Stock
Min.: 1
Mult.: 1

ATSAME53 SMD/SMT QFN-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 + 85 C AEC-Q100 Tray
Microchip Technology ARM Microcontrollers - MCU 64TQFP 85C, GREEN,1.6-3.6V,32MHz
Datasheet
1,232In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,500

SAML22 SMD/SMT TQFP-64 ARM Cortex M0+ 256 kB 32 bit 12 bit 32 MHz 50 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU 100 TQFP,105C TEMP, GREEN, 5V, 48MHZ,T&R
Datasheet
1,198In Stock
3,000Expected 10/26/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

ATSAMC21 SMD/SMT TQFP-100 ARM Cortex M0+ 256 kB 32 bit 2 x 12 bit 48 MHz 84 I/O 32 kB 2.7 V 5.5 V - 40 C + 105 C AEC-Q100 Reel, Cut Tape, MouseReel
Microchip Technology ARM Microcontrollers - MCU TQFP 48, 256 KB Flash, 32 KB SRAM, 85 C Temp, Green, Tray, Low Power
Datasheet
686In Stock
Min.: 1
Mult.: 1

SMD/SMT TQFP-48 ARM Cortex M23 256 kB 32 bit 12 bit 48 MHz 34 I/O 32 kB 1.62 V 3.63 V - 40 C + 85 C Tray
Analog Devices ARM Microcontrollers - MCU Cortex M3 +24K/256K +Single 24bit SD AFE
Datasheet
192In Stock
Min.: 1
Mult.: 1

ADUCM363 SMD/SMT LFCSP-48 ARM Cortex M3 256 kB 32 bit 24 bit 16 MHz 19 I/O 24 kB 1.8 V 3.6 V - 40 C + 125 C Tray
Texas Instruments ARM Microcontrollers - MCU 16/32B RISC Fl MCU
Datasheet
576In Stock
Min.: 1
Mult.: 1

TMS470MF06607 SMD/SMT LQFP-100 ARM Cortex M3 256 kB 32 bit/16 bit 10 bit 80 MHz 49 I/O 64 kB 3.3 V 3.3 V - 40 C + 125 C AEC-Q100 Tray
Texas Instruments ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1230H6PMI A A 595-TM4C1230H6PMI
Datasheet
1,917In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

TM4C1230H6PM SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 49 I/O 32 kB 3.15 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C1231H6PGEI7R
Datasheet
251In Stock
Min.: 1
Mult.: 1

TM4C1231H6PGE SMD/SMT LQFP-144 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 105 I/O 32 kB 3.15 V 3.63 V - 40 C + 85 C
Texas Instruments ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1231H6PZI A A 595-TM4C1231H6PZI
Datasheet
222In Stock
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

TM4C1231H6PZ SMD/SMT LQFP-100 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 69 I/O 32 kB 3.15 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel
Texas Instruments ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C1237H6PMIR A A 595-TM4C1237H6PMIR
Datasheet
422In Stock
Min.: 1
Mult.: 1

TM4C1237H6PM SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 43 I/O 32 kB 3.3 V 3.3 V - 40 C + 85 C
Texas Instruments ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123AH6PMIR A A 595-TM4C123AH6PMIR
Datasheet
362In Stock
320Expected 9/10/2026
Min.: 1
Mult.: 1

TM4C123AH6PM SMD/SMT LQFP-64 ARM Cortex M4 256 kB 32 bit 12 bit 80 MHz 32 kB 1.08 V 1.32 V - 40 C + 85 C Tray
Texas Instruments ARM Microcontrollers - MCU Tiva C Series Microc ontroller A 595-TM4 A 595-TM4C123GH6PMI7R
Datasheet
296In Stock
Min.: 1
Mult.: 1

TM4C123GH6PM SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 43 I/O 32 kB 3.15 V 3.63 V - 40 C + 105 C
Texas Instruments ARM Microcontrollers - MCU Tiva C Series MCU A 595-TM4C123GH6PMI A A 595-TM4C123GH6PMI
Datasheet
1,214In Stock
3,000Expected 9/3/2026
MouseReel Available
Min.: 1
Mult.: 1
: 1,000

TM4C123GH6PM SMD/SMT LQFP-64 ARM Cortex M4F 256 kB 32 bit 12 bit 80 MHz 43 I/O 32 kB 3.15 V 3.63 V - 40 C + 85 C Reel, Cut Tape, MouseReel