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STMicroelectronics STM32U3 Series ARM Microcontrollers - MCU

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Manufacturer = STMicroelectronics Series = STM32U3

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (USD) Filter the results in the table by unit price based on your quantity.	Qty.	Series	Package / Case	Minimum Operating Temperature	Maximum Operating Temperature	Packaging
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5ZIT6Q STMicroelectronics 1: $14.78 417In Stock New Product	Mfr. Part # STM32U3B5ZIT6Q Mouser Part # 511-STM32U3B5ZIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	417In Stock	$14.78 $11.53	Min.: 1 Mult.: 1 Max.: 20	STM32U3	LQFP-144	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5RIT6Q STMicroelectronics 1: $12.30 986In Stock New Product	Mfr. Part # STM32U3C5RIT6Q Mouser Part # 511-STM32U3C5RIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	986In Stock	$12.30 $9.53 $8.42 $7.89 View $7.44 $7.36	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIT6 STMicroelectronics 1: $12.09 100In Stock 1,500Expected 10/29/2026 New Product	Mfr. Part # STM32U3B5CIT6 Mouser Part # 511-STM32U3B5CIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	100In Stock 1,500Expected 10/29/2026	$12.09 $9.32 $8.26	Min.: 1 Mult.: 1 Max.: 25	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIT6Q STMicroelectronics 1: $11.40 90In Stock New Product	Mfr. Part # STM32U3B5CIT6Q Mouser Part # 511-STM32U3B5CIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	90In Stock	$11.40 $8.83	Min.: 1 Mult.: 1 Max.: 20	STM32U3	LQFP-48	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIU6 STMicroelectronics 1: $11.40 90In Stock New Product	Mfr. Part # STM32U3B5CIU6 Mouser Part # 511-STM32U3B5CIU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	90In Stock	$11.40 $8.83	Min.: 1 Mult.: 1 Max.: 20	STM32U3	UFQFPN-48	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5CIU6Q STMicroelectronics 1: $11.40 89In Stock New Product	Mfr. Part # STM32U3B5CIU6Q Mouser Part # 511-STM32U3B5CIU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	89In Stock	$11.40 $8.83	Min.: 1 Mult.: 1 Max.: 20	STM32U3	UFQFPN-48	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5RIT6 STMicroelectronics 1: $11.92 90In Stock New Product	Mfr. Part # STM32U3B5RIT6 Mouser Part # 511-STM32U3B5RIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	90In Stock	$11.92 $9.24	Min.: 1 Mult.: 1 Max.: 20	STM32U3	LQFP-64	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS STM32U3B5RIT6Q STMicroelectronics 1: $11.92 98In Stock New Product	Mfr. Part # STM32U3B5RIT6Q Mouser Part # 511-STM32U3B5RIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS Learn More about STMicroelectronics stm32u3 mcus	Datasheet	98In Stock	$11.92 $9.24	Min.: 1 Mult.: 1 Max.: 20	STM32U3	LQFP-64	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIT6 STMicroelectronics 1: $11.78 81In Stock New Product	Mfr. Part # STM32U3C5CIT6 Mouser Part # 511-STM32U3C5CIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	81In Stock	$11.78 $9.13 $8.06 $7.72 View $7.37 $7.16 $7.07 $6.94	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIT6Q STMicroelectronics 1: $11.78 99In Stock New Product	Mfr. Part # STM32U3C5CIT6Q Mouser Part # 511-STM32U3C5CIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	99In Stock	$11.78 $9.13 $8.06 $7.72 View $7.37 $7.16 $7.07 $6.94	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIU6 STMicroelectronics 1: $11.78 89In Stock New Product	Mfr. Part # STM32U3C5CIU6 Mouser Part # 511-STM32U3C5CIU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	89In Stock	$11.78 $9.13 $8.06 $7.72 View $7.36 $7.15 $7.07 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5CIU6Q STMicroelectronics 1: $11.78 100In Stock New Product	Mfr. Part # STM32U3C5CIU6Q Mouser Part # 511-STM32U3C5CIU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	100In Stock	$11.78 $9.13 $8.06	Min.: 1 Mult.: 1 Max.: 25	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5RIT6 STMicroelectronics 1: $12.30 55In Stock 960Expected 10/29/2026 New Product	Mfr. Part # STM32U3C5RIT6 Mouser Part # 511-STM32U3C5RIT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	55In Stock 960Expected 10/29/2026	$12.30 $9.53 $8.42 $7.89 View $7.44 $7.36	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto STM32U3C5ZIT6Q STMicroelectronics 1: $15.15 78In Stock New Product	Mfr. Part # STM32U3C5ZIT6Q Mouser Part # 511-STM32U3C5ZIT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS, crypto Learn More about STMicroelectronics stm32u3 mcus	Datasheet	78In Stock	$15.15 $11.83 $10.37	Min.: 1 Mult.: 1 Max.: 25	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone MCU 96 MHz 512 Kbytes of Flash STM32U375CET6 STMicroelectronics 1: $7.28 1,529In Stock New Product	Mfr. Part # STM32U375CET6 Mouser Part # 511-STM32U375CET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone MCU 96 MHz 512 Kbytes of Flash	Datasheet	1,529In Stock	$7.28 $5.54 $4.85 $4.63 View $4.26 $3.72 $3.63	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU 96 MHz with 512 Kbytes STM32U375CET6Q STMicroelectronics 1: $7.28 1,921In Stock New Product	Mfr. Part # STM32U375CET6Q Mouser Part # 511-STM32U375CET6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 MCU 96 MHz with 512 Kbytes Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,921In Stock	$7.28 $5.54 $4.85 $4.63 View $4.36 $4.00 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375CGU6Q STMicroelectronics 1: $9.35 2,733In Stock New Product	Mfr. Part # STM32U375CGU6Q Mouser Part # 511-STM32U375CGU6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	2,733In Stock	$9.35 $7.16 $6.29 $6.02 View $5.72 $5.45 $5.14 $4.98	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375KGU6 STMicroelectronics 1: $9.04 1,375In Stock 2,940Expected 11/23/2026 New Product	Mfr. Part # STM32U375KGU6 Mouser Part # 511-STM32U375KGU6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,375In Stock 2,940Expected 11/23/2026	$9.04 $6.93 $6.10 $5.82 View $5.40 $5.21 $4.68 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375RGI6Q STMicroelectronics 1: $9.57 2,878In Stock New Product	Mfr. Part # STM32U375RGI6Q Mouser Part # 511-STM32U375RGI6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	2,878In Stock	$9.57 $7.36 $6.47 $6.20 View $6.10 $5.60 $5.30 $5.28 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375RGT6 STMicroelectronics 1: $10.05 1,956In Stock New Product	Mfr. Part # STM32U375RGT6 Mouser Part # 511-STM32U375RGT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,956In Stock	$10.05 $7.41 $6.73 $6.10 View $6.05 $5.59	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375RGT6Q STMicroelectronics 1: $9.91 1,368In Stock New Product	Mfr. Part # STM32U375RGT6Q Mouser Part # 511-STM32U375RGT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,368In Stock	$9.91 $7.50 $6.70 $5.98 $4.91	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VET6 STMicroelectronics 1: $10.13 885In Stock New Product	Mfr. Part # STM32U375VET6 Mouser Part # 511-STM32U375VET6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	885In Stock	$10.13 $7.07 $6.75 $5.90 View $5.45 $5.07 $5.01 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VGT6 STMicroelectronics 1: $10.48 630In Stock New Product	Mfr. Part # STM32U375VGT6 Mouser Part # 511-STM32U375VGT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	630In Stock	$10.48 $8.09 $7.12 $6.97 View $6.96 $6.45 $6.01 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U375VGT6Q STMicroelectronics 1: $10.48 1,063In Stock New Product	Mfr. Part # STM32U375VGT6Q Mouser Part # 511-STM32U375VGT6Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	1,063In Stock	$10.48 $8.09 $6.86 $6.75 View $6.66 $6.42 $6.06 Quote	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U385CGT6 STMicroelectronics 1: $9.19 789In Stock New Product	Mfr. Part # STM32U385CGT6 Mouser Part # 511-STM32U385CGT6 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Learn More about STMicroelectronics stm32u3 mcus	Datasheet	789In Stock	$9.19 $7.06 $6.20 $5.94 View $5.84 $5.49 $5.47	Min.: 1 Mult.: 1	STM32U3				Tray

STMicroelectronics STM32U3 Series ARM Microcontrollers - MCU

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