.hide-partial { max-height: none; } .show-more { display: none; }

256 kB ARM Microcontrollers - MCU

.catnav-wrapper { height: auto; overflow: visible; } .catalog-nav-tabs ul { white-space: normal; }

Results: 1,877

Applied Filters:

Program Memory Size = 256 kB

Manufacturer

Series

Mounting Style

Package/Case

Core

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

Reset All

Search within results

In Stock

Normally Stocked

Active

New Products

RoHS Compliant

.search-refine-wrapper { display: inline-block; min-width: 100%; } .scroll-body { overflow-x: visible; } .search-table-wrapper { overflow: visible; } .hide-partial { max-height: none; } .show-more { display: none; }

Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	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	Packaging
ARM Microcontrollers - MCU ARM Cortex-M0+ 256KBFlash 40KB SRAM ATSAML21J18B-MUT Microchip Technology 1: $6.56 3,754Expected 2027/01/04	Mfr. Part No. ATSAML21J18B-MUT Mouser Part No 556-ATSAML21J18B-MUT	Microchip Technology	ARM Microcontrollers - MCU ARM Cortex-M0+ 256KBFlash 40KB SRAM Learn More about Microchip Technology microchip sam l21 mcus	Datasheet	3,754Expected 2027/01/04	Cut Tape $6.56 $6.34 Reel $5.41 MouseReel Available	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
ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP CY8C5868LTI-LP039 Infineon Technologies 1: $29.40 980On Order	Mfr. Part No. CY8C5868LTI-LP039 Mouser Part No 727-CY8C5868LTILP039	Infineon Technologies	ARM Microcontrollers - MCU 256K Flash 64K SRAM PSoC 5LP Learn More about Infineon Technologies cypress psoc5lp	Datasheet	980On Order On Order Ship Dates Mfr. No: CY8C5868LTI-LP039 Stock: 0 On Order: 460 Expected 2026/11/05 520 Expected 2026/11/19 Factory Lead Time: 18 Weeks	$29.40 $23.69 $21.40 $20.61 View $19.91 $19.21 Quote	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
ARM Microcontrollers - MCU MM-LEGACY PSOC135 CY8C5888FNI-LP210T Infineon Technologies 1: $34.46 1,995On Order	Mfr. Part No. CY8C5888FNI-LP210T Mouser Part No 727-CY8C5888FNIP210T	Infineon Technologies	ARM Microcontrollers - MCU MM-LEGACY PSOC135 Learn More about Infineon Technologies cypress psoc 5lp socs	Datasheet	1,995On Order	Cut Tape $34.46 $26.96 $25.75 $23.40 View Reel $22.06 $22.60 $22.10 $22.07 $22.06	Min.: 1 Mult.: 1 : 2,000		SMD/SMT	WLCSP-99	ARM Cortex M3	256 kB	32 bit	12 bit	80 MHz	62 I/O	64 kB	1.71 V	1.89 V	- 40 C	+ 85 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM32-C Silicon Labs 1: $2.36 1,210On Order	Mfr. Part No. EFM32PG22C200F256IM32-C Mouser Part No 634-EFM32PG22C25632C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	1,210On Order	$2.36 $1.98 $1.58 $1.41 View $1.37 $1.33 $1.29 $1.24	Min.: 1 Mult.: 1		SMD/SMT	QFN-32	ARM Cortex M33	256 kB	32 bit	12 bit	76.8 MHz	18 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-C Silicon Labs 1: $2.40 2,450On Order	Mfr. Part No. EFM32PG22C200F256IM40-C Mouser Part No 634-EFM32PG22C25640C	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	2,450On Order	$2.40 $1.90 $1.69 $1.52 View $1.47 $1.40 $1.38 $1.34	Min.: 1 Mult.: 1		SMD/SMT	QFN-40	ARM Cortex M33	256 kB	32 bit	12 bit, 16 bit	76.8 MHz	26 I/O	32 kB	1.71 V	3.8 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM32-CR Silicon Labs 1: $2.47 2,500Expected 2026/11/17	Mfr. Part No. EFM32PG22C200F256IM32-CR Mouser Part No 634-EFM32PG22C5632CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU	Datasheet	2,500Expected 2026/11/17	Cut Tape $2.47 $1.83 $1.67 $1.49 Reel $1.29 View $1.41 $1.36 $1.31 $1.26	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	QFN-32	ARM Cortex M33	256 kB	32 bit			18 I/O	32 kB			- 40 C	+ 125 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU EFM32PG22C200F256IM40-CR Silicon Labs 1: $2.34 7,500Expected 2026/11/17	Mfr. Part No. EFM32PG22C200F256IM40-CR Mouser Part No 634-EFM32PG22C5640CR	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M33 32-bit 76 MHz 256 kB AES MCU Learn More about Silicon Labs efm32pg22 mcus	Datasheet	7,500Expected 2026/11/17	Cut Tape $2.34 $1.73 $1.58 $1.49 Reel $1.26	Min.: 1 Mult.: 1 : 2,500		SMD/SMT	QFN-40	ARM Cortex M33	256 kB	32 bit	12 bit	76.8 MHz	26 I/O	32 kB	3 V	3 V	- 40 C	+ 125 C	Reel, Cut Tape
ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU EFM32JG1B200F256GM48-C0 Silicon Labs 1: $5.56 2,597Expected 2027/03/12	Mfr. Part No. EFM32JG1B200F256GM48-C0 Mouser Part No 634-JG1B200F25648C0	Silicon Labs	ARM Microcontrollers - MCU ARM Cortex-M3 32-bit 40 MHz 256 kB MCU Learn More about Silicon Labs silabs efm32 jade gecko mcu	Datasheet	2,597Expected 2027/03/12	$5.56 $4.40 $3.97 $3.68 View $3.48 $3.36 $3.35 $3.34	Min.: 1 Mult.: 1	EFM32JG	SMD/SMT	QFN-48	ARM Cortex M3	256 kB	32 bit	12 bit	40 MHz	32 I/O	32 kB	1.85 V	3.8 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542CCT6 STMicroelectronics 1: $2.90 1,493Expected 2026/11/30 New Product	Mfr. Part No. STM32C542CCT6 Mouser Part No 511-STM32C542CCT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	1,493Expected 2026/11/30	$2.90 $2.15 $1.84 $1.76	Min.: 1 Mult.: 1 Max.: 100	STM32C5	SMD/SMT	LQFP-48	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	38 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542FCP6 STMicroelectronics 1: $3.22 1,470Expected 2027/03/03 New Product	Mfr. Part No. STM32C542FCP6 Mouser Part No 511-STM32C542FCP6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	1,470Expected 2027/03/03	$3.22 $2.11 $1.93 $1.66 View $1.56 $1.36 $1.22	Min.: 1 Mult.: 1	STM32C5	SMD/SMT	TSSOP-20	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	14 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C	Tube
ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN STM32C542KCU6 STMicroelectronics 1: $3.02 2,930Expected 2027/01/18 New Product	Mfr. Part No. STM32C542KCU6 Mouser Part No 511-STM32C542KCU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN Learn More about STMicroelectronics st stm32c5 arm core mainstream mcus	Datasheet	2,930Expected 2027/01/18	$3.02 $2.07 $1.85	Min.: 1 Mult.: 1 Max.: 50	STM32C5	SMD/SMT	UFQFPN-32	ARM Cortex M33	256 kB	32 bit	12 bit	144 MHz	25 I/O	64 kB	2.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU STM32F030RCT6TR STMicroelectronics 1: $5.25 3,868On Order	Mfr. Part No. STM32F030RCT6TR Mouser Part No 511-STM32F030RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Arm Cortex-M0 Value line MCU 256 Kbytes of Flash , 48 MHz CPU Learn More about STMicroelectronics stm32f0	Datasheet	3,868On Order	Cut Tape $5.25 $3.78 $3.40 $3.12 View Reel $2.67 $3.04 $2.73 $2.67 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F030RC	SMD/SMT	LQFP-64	ARM Cortex M0	256 kB	32 bit	12 bit	48 MHz	51 I/O	32 kB	2.4 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access STM32F101RCT6TR STMicroelectronics 1: $9.44 1,998Expected 2027/04/07	Mfr. Part No. STM32F101RCT6TR Mouser Part No 511-STM32F101RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 High-density access Learn More about STMicroelectronics stm32f1	Datasheet	1,998Expected 2027/04/07	Cut Tape $9.44 $7.23 $6.45 $5.99 View Reel $5.40 $5.72 $5.43 $5.40 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F101RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	51 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU STM32F101VCT6 STMicroelectronics 1: $10.16 2,157On Order	Mfr. Part No. STM32F101VCT6 Mouser Part No 511-STM32F101VCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D ACCESS USB MCU Learn More about STMicroelectronics stm32f1	Datasheet	2,157On Order On Order Ship Dates Mfr. No: STM32F101VCT6 Stock: 0 On Order: 1,617 Expected 2026/11/30 540 Expected 2027/08/30 Factory Lead Time: 52 Weeks	$10.16 $7.34 $6.73 $6.61 $6.25	Min.: 1 Mult.: 1	STM32F101VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	80 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash STM32F101VCT6TR STMicroelectronics 1: $10.16 999Expected 2027/10/18	Mfr. Part No. STM32F101VCT6TR Mouser Part No 511-STM32F101VCT6TR	STMicroelectronics	ARM Microcontrollers - MCU ARM 32Bit Access MCU 100-Pin 256kB Flash Learn More about STMicroelectronics stm32f1	Datasheet	999Expected 2027/10/18	Cut Tape $10.16 $7.86 $6.97 $6.69 $5.86 Reel $5.72 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F101VC	SMD/SMT	LQFP-100	ARM Cortex M3	256 kB	32 bit	12 bit	36 MHz	80 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m STM32F103RCT7TR STMicroelectronics 1: $11.13 1,000On Order	Mfr. Part No. STM32F103RCT7TR Mouser Part No 511-STM32F103RCT7TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Performance line, Arm Cortex-M3 MCU 256 Kbytes of Flash 72 MHz CPU, m Learn More about STMicroelectronics stm32f1	Datasheet	1,000On Order	Cut Tape $11.13 $8.66 $8.01 $7.26 View Reel $6.47 $7.12 $6.62 $6.47 MouseReel Available	Min.: 1 Mult.: 1 : 1,000	STM32F1	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	48 kB	2 V	3.6 V	- 40 C	+ 105 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN STM32F103ZCT6 STMicroelectronics 1: $12.60 1,282On Order	Mfr. Part No. STM32F103ZCT6 Mouser Part No 511-STM32F103ZCT6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT Cortex M3 H/D 261 to 512 USB/CAN Learn More about STMicroelectronics stm32f1	Datasheet	1,282On Order On Order Ship Dates Mfr. No: STM32F103ZCT6 Stock: 0 On Order: 562 Expected 2027/11/15 720 TBD Factory Lead Time: 52 Weeks	$12.60 $10.14 $9.30 $8.92 View $8.70 $7.93	Min.: 1 Mult.: 1	STM32F103ZC	SMD/SMT	LQFP-144	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	112 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line STM32F105RCT7 STMicroelectronics 1: $11.36 897On Order	Mfr. Part No. STM32F105RCT7 Mouser Part No 511-STM32F105RCT7	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit Cortex 64Kb Connectivity Line Learn More about STMicroelectronics stm32f1	Datasheet	897On Order	$11.36 $8.84 $8.43 $7.33 View $6.91 $6.52	Min.: 1 Mult.: 1	STM32F105RC	SMD/SMT	LQFP-64	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	51 I/O	64 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM STM32F107VCH6 STMicroelectronics 1: $11.44 2,008Expected 2027/01/13	Mfr. Part No. STM32F107VCH6 Mouser Part No 511-STM32F107VCH6	STMicroelectronics	ARM Microcontrollers - MCU 32BIT CORTEX M3 256K Flash 6KB RAM Learn More about STMicroelectronics STM32F107	Datasheet	2,008Expected 2027/01/13	$11.44 $9.27 $8.62 $7.91	Min.: 1 Mult.: 1	STM32F107VC	SMD/SMT	BGA-100	ARM Cortex M3	256 kB	32 bit	12 bit	72 MHz	80 I/O	64 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F302CCT6TR STMicroelectronics 1: $8.05 2,357On Order	Mfr. Part No. STM32F302CCT6TR Mouser Part No 511-STM32F302CCT6TR	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	2,357On Order	Cut Tape $8.05 $6.21 $5.47 $5.25 View Reel $4.58 $5.20 $4.64 $4.58 $4.58 MouseReel Available	Min.: 1 Mult.: 1 : 2,400	STM32F3	SMD/SMT	LQFP-48	ARM Cortex M4	256 kB	32 bit	2 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	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash STM32F303RCT7 STMicroelectronics 1: $10.92 1,920Expected 2027/06/07	Mfr. Part No. STM32F303RCT7 Mouser Part No 511-STM32F303RCT7	STMicroelectronics	ARM Microcontrollers - MCU Mainstream Mixed signals MCUs Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Flash Learn More about STMicroelectronics stm 32f3	Datasheet	1,920Expected 2027/06/07	$10.92 $8.58 $7.84 $7.20 View $7.00 $6.33 $6.26	Min.: 1 Mult.: 1	STM32F3	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	4 x 6 bit/8 bit/10 bit/12 bit	72 MHz	52 I/O	40 kB	2 V	3.6 V	- 40 C	+ 105 C	Tray
ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU STM32F373RCT6 STMicroelectronics 1: $10.46 955On Order	Mfr. Part No. STM32F373RCT6 Mouser Part No 511-STM32F373RCT6	STMicroelectronics	ARM Microcontrollers - MCU 32-Bit ARM Cortex M4 72MHz 256kB MCU FPU Learn More about STMicroelectronics stm 32f3	Datasheet	955On Order	$10.46 $8.08 $7.18 $6.69 View $6.40 $6.34	Min.: 1 Mult.: 1	STM32F3	SMD/SMT	LQFP-64	ARM Cortex M4	256 kB	32 bit	12 bit, 3 x 16 bit	72 MHz	80 I/O	32 kB	2 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU STM32F401VCT6 STMicroelectronics 1: $6.90 2,116On Order	Mfr. Part No. STM32F401VCT6 Mouser Part No 511-STM32F401VCT6	STMicroelectronics	ARM Microcontrollers - MCU Cost effective DSP FPU ARM CortexM4 MCU Learn More about STMicroelectronics stm32f4	Datasheet	2,116On Order On Order Ship Dates Mfr. No: STM32F401VCT6 Stock: 0 On Order: 496 Expected 2027/02/22 1,620 TBD Factory Lead Time: 52 Weeks	$6.90 $5.07 $4.75 $4.58 View $4.33 $4.26 $4.23 $4.20 Quote	Min.: 1 Mult.: 1	STM32F401VC	SMD/SMT	LQFP-100	ARM Cortex M4	256 kB	32 bit	12 bit	84 MHz	81 I/O	64 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446RCT6TR STMicroelectronics 1: $9.02 1,720Expected 2027/02/22	Mfr. Part No. STM32F446RCT6TR Mouser Part No 511-STM32F446RCT6TR	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	1,720Expected 2027/02/22	Cut Tape $9.02 $7.45 $6.48 $5.92 View Reel $4.98 $5.76 $5.48 $4.98 MouseReel Available	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	3.3 V	3.3 V	- 40 C	+ 85 C	Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl STM32F446ZCJ6 STMicroelectronics 1: $11.06 2,016Expected 2027/02/22	Mfr. Part No. STM32F446ZCJ6 Mouser Part No 511-STM32F446ZCJ6	STMicroelectronics	ARM Microcontrollers - MCU High-performance foundation line, Arm Cortex-M4 core DSP & FPU, 256 Kbytes of Fl Learn More about STMicroelectronics stm32f4	Datasheet	2,016Expected 2027/02/22	$11.06 $8.61 $7.62 $7.21 View $7.04 $6.42 $6.28	Min.: 1 Mult.: 1	STM32F446ZC	SMD/SMT	LFBGA-144	ARM Cortex M4	256 kB	32 bit	3 x 12 bit	180 MHz	114 I/O	128 kB	3.3 V	3.3 V	- 40 C	+ 85 C	Tray