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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 (CAD) 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: $16.37 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	$16.37 $12.77	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: $13.62 987In 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	987In Stock	$13.62 $10.56 $9.33 $8.74 View $8.24 $8.15	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: $13.39 100In Stock 1,500Expected 2026-11-02 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 2026-11-02	$13.39 $10.32 $9.14	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: $12.63 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	$12.63 $9.78	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: $12.63 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	$12.63 $9.78	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: $12.63 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	$12.63 $9.78	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: $13.20 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	$13.20 $10.24	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: $13.20 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	$13.20 $10.24	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: $13.05 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	$13.05 $10.11 $8.93 $8.55 View $8.16 $7.93 $7.83 $7.69	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: $13.05 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	$13.05 $10.11 $8.93 $8.55 View $8.16 $7.93 $7.83 $7.69	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: $13.05 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	$13.05 $10.11 $8.93 $8.55 View $8.15 $7.92 $7.83 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: $13.05 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	$13.05 $10.11 $8.93	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: $13.62 55In Stock 960Expected 2026-11-03 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 2026-11-03	$13.62 $10.56 $9.33 $8.74 View $8.24 $8.15	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: $16.78 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	$16.78 $13.10 $11.49	Min.: 1 Mult.: 1 Max.: 25	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash STM32U385CGU6 STMicroelectronics 1: $10.18 5,183In Stock New Product	Mfr. Part # STM32U385CGU6 Mouser Part # 511-STM32U385CGU6 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	5,183In Stock	$10.18 $7.82 $6.87 $6.58 View $6.47 $6.08 $6.06	Min.: 1 Mult.: 1	STM32U3				Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone MCU 96 MHz 512 Kbytes of Flash STM32U375CET6 STMicroelectronics 1: $8.06 1,533In 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	1,533In Stock	$8.06 $6.13 $5.37 $5.13 View $4.72 $4.12 $4.02	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: $8.06 1,908In 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	1,908In Stock	$8.06 $6.13 $5.37 $5.13 View $4.82 $4.44 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: $10.35 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	$10.35 $7.93 $6.97 $6.67 View $6.34 $6.03 $5.69 $5.52	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: $10.01 1,375In Stock 2,940Expected 2026-11-13 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 2026-11-13	$10.01 $7.68 $6.75 $6.45 View $5.98 $5.77 $5.18 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: $10.60 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	$10.60 $8.15 $7.17 $6.87 View $6.75 $6.21 $5.88 $5.85 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: $11.13 1,661In 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	1,661In Stock	$11.13 $8.21 $7.46 $6.75 View $6.70 $6.19	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: $10.97 1,853In 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	1,853In Stock	$10.97 $8.31 $7.42 $6.62 $5.44	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: $11.22 1,102In 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	1,102In Stock	$11.22 $7.83 $7.47 $6.54 View $6.03 $5.62 $5.54 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: $11.61 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	$11.61 $8.96 $7.89 $7.72 View $7.70 $7.14 $6.65 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: $11.61 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	$11.61 $8.96 $7.60 $7.47 View $7.37 $7.11 $6.71 Quote	Min.: 1 Mult.: 1	STM32U3				Tray

STMicroelectronics STM32U3 Series ARM Microcontrollers - MCU

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