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STM32U5 Series of Ultra-Low-Power MCUs

STMicroelectronics STM32U5 Series of Ultra-Low-Power MCUs are advanced power-saving microcontrollers based on the Arm® Cortex®-M33. The devices meet the most demanding power/performance requirements for smart applications. These applications include wearables, personal medical devices, home automation, and industrial sensors. The STM32U5 series of microcontrollers takes performance to the next level with up to 2Mbytes of Flash (dual bank) memory and 786Kbytes of SRAM. The STM32U5 is a large portfolio with 8 packages (from 48 to 169 pins) and supports up to 125°C ambient temperature.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (HKD) 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 Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory STM32U575RIT6 STMicroelectronics 1: HK$90.34 6,599In Stock	Mfr. Part No. STM32U575RIT6 Mouser Part No 511-STM32U575RIT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory Learn More about STMicroelectronics stmicro stm32u5	Datasheet	6,599In Stock	HK$90.34 HK$70.45 HK$62.47 HK$58.53 View HK$51.13 HK$50.22 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	LQFP-64	ARM Cortex M33	2 MB		14 bit		14 I/O	786 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory STM32U575CIT6Q STMicroelectronics 1: HK$91.74 767In Stock	Mfr. Part No. STM32U575CIT6Q Mouser Part No 511-STM32U575CIT6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory Learn More about STMicroelectronics stmicro stm32u5	Datasheet	767In Stock	HK$91.74 HK$71.51 HK$63.38 HK$59.68 View HK$57.05 HK$53.76 HK$52.44 HK$52.36 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	LQFP-48	ARM Cortex M33	2 MB		14 bit		14 I/O	786 kB	1.7 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory STM32U585ZIT6Q STMicroelectronics 1: HK$109.98 143In Stock 360Expected 4/1/2027	Mfr. Part No. STM32U585ZIT6Q Mouser Part No 511-STM32U585ZIT6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash memory Learn More about STMicroelectronics stmicro stm32u5	Datasheet	143In Stock 360Expected 4/1/2027	HK$109.98 HK$86.23 HK$79.82 HK$73.73 HK$70.28	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	LQFP-144	ARM Cortex M33	2 MB		16 bit		14 I/O	2 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 4 Mbytes of Flash STMicroelectronics STM32U5A9BJY3QTR STM32U5A9BJY3QTR STMicroelectronics 1: HK$177.63 6In Stock 500On Order New Product	Mfr. Part No. STM32U5A9BJY3QTR Mouser Part No 511-STM32U5A9BJY3QTR New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 4 Mbytes of Flash	Datasheet	6In Stock 500On Order	Cut Tape HK$177.63 HK$138.59 HK$124.37 HK$120.01 View Reel HK$105.22 HK$119.93 HK$112.53 HK$105.22	Min.: 1 Mult.: 1 : 5,000	STM32U5														Reel, Cut Tape
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 2 Mbytes of Flash STM32U585CIU3 STMicroelectronics 1: HK$95.60 1,683In Stock New Product	Mfr. Part No. STM32U585CIU3 Mouser Part No 511-STM32U585CIU3 New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone 160 MHz 2 Mbytes of Flash	Datasheet	1,683In Stock	HK$95.60 HK$74.64 HK$66.25 HK$63.62 View HK$63.13 HK$59.10 HK$58.36 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash STM32U585AII3 STMicroelectronics 1: HK$114.34 2,448In Stock	Mfr. Part No. STM32U585AII3 Mouser Part No 511-STM32U585AII3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 160 MHz 2Mbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,448In Stock	HK$114.34 HK$88.37 HK$79.98 HK$75.05 View HK$73.16 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash STM32U595QJI6 STMicroelectronics 1: HK$152.97 1,543In Stock	Mfr. Part No. STM32U595QJI6 Mouser Part No 511-STM32U595QJI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,543In Stock	HK$152.97 HK$121.25 HK$115.00 HK$106.20 View HK$102.42 HK$98.97 HK$97.98 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash STM32U5A5AJH3 STMicroelectronics 1: HK$166.04 2,536In Stock	Mfr. Part No. STM32U5A5AJH3 Mouser Part No 511-STM32U5A5AJH3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4 Mbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,536In Stock	HK$166.04 HK$134.23 HK$120.92 HK$113.35 View HK$109.41 HK$102.34 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	TFBGA-169	ARM Cortex M33	4 MB	32 bit	12 bit, 14 bit	160 MHz	8 I/O	2.5 MB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash STM32U5A5AJH6Q STMicroelectronics 1: HK$145.00 2,289In Stock	Mfr. Part No. STM32U5A5AJH6Q Mouser Part No 511-STM32U5A5AJH6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,289In Stock	HK$145.00 HK$118.12 HK$111.38 HK$104.39 View Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash STM32U5A5QJI6 STMicroelectronics 1: HK$145.74 1,804In Stock	Mfr. Part No. STM32U5A5QJI6 Mouser Part No 511-STM32U5A5QJI6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 4Mbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,804In Stock	HK$145.74 HK$117.55 HK$109.49 HK$102.83 View HK$101.11 HK$97.24 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Advanced Graphics Ultra Low Power CortexM-33 Trustzone, NEOCHROM VG GPU, 160MHZ STM32U5G9BJY6QTR STMicroelectronics 1: HK$171.55 1,456In Stock	Mfr. Part No. STM32U5G9BJY6QTR Mouser Part No 511-STM32U5G9BJY6QTR	STMicroelectronics	ARM Microcontrollers - MCU Advanced Graphics Ultra Low Power CortexM-33 Trustzone, NEOCHROM VG GPU, 160MHZ Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,456In Stock	Cut Tape HK$171.55 HK$138.67 HK$132.92 HK$117.14 View Reel HK$104.15 HK$111.38 HK$104.23 HK$104.15 HK$104.15 Quote MouseReel Available	Min.: 1 Mult.: 1 : 3,500	STM32U5														Reel, Cut Tape, MouseReel
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes Flash STM32U535RET3Q STMicroelectronics 1: HK$69.29 156In Stock New Product	Mfr. Part No. STM32U535RET3Q Mouser Part No 511-STM32U535RET3Q New Product	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes Flash	Datasheet	156In Stock	HK$69.29 HK$53.59 HK$47.27 HK$45.29 View HK$44.72 HK$41.02 HK$40.36 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	LQFP-64	ARM Cortex M33	512 kB	32 bit	12 bit, 14 bit	160 MHz	51 I/O	274 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash STMicroelectronics STM32U595QII6 STM32U595QII6 STMicroelectronics 1: HK$147.22 2,543In Stock	Mfr. Part No. STM32U595QII6 Mouser Part No 511-STM32U595QII6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 2 Mbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,543In Stock	HK$147.22 HK$115.90 HK$105.71 HK$99.38 View HK$98.72 HK$92.80 HK$92.39	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-132	ARM Cortex M33	2 MB	32 bit	12 bit	160 MHz	106 I/O	2.5 MB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash STM32U535CBT6Q STMicroelectronics 1: HK$60.33 1,384In Stock	Mfr. Part No. STM32U535CBT6Q Mouser Part No 511-STM32U535CBT6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,384In Stock	HK$60.33 HK$44.31 HK$41.26 HK$36.33 View HK$34.44 HK$30.91 HK$26.55	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	LQFP-48	ARM Cortex M33	128 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash STM32U535CBU6 STMicroelectronics 1: HK$51.29 1,150In Stock	Mfr. Part No. STM32U535CBU6 Mouser Part No 511-STM32U535CBU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,150In Stock	HK$51.29 HK$39.21 HK$34.36 HK$32.88 View HK$30.33 HK$29.67 HK$28.36 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	128 kB	32 bit	12 bit, 14 bit	160 MHz	37 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash STM32U535CCU6 STMicroelectronics 1: HK$56.14 2,069In Stock	Mfr. Part No. STM32U535CCU6 Mouser Part No 511-STM32U535CCU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 256 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,069In Stock	HK$56.14 HK$43.07 HK$37.81 HK$36.17 View HK$33.46 HK$28.85 HK$28.44	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFQFPN-48	ARM Cortex M33	256 kB	32 bit	12 bit, 14 bit	160 MHz	37 I/O	574 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U535CET6Q STMicroelectronics 1: HK$61.90 1,475In Stock	Mfr. Part No. STM32U535CET6Q Mouser Part No 511-STM32U535CET6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,475In Stock	HK$61.90 HK$47.59 HK$41.92 HK$40.11 View HK$39.05 HK$35.59 HK$32.14 HK$31.73	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U535CEU6 STMicroelectronics 1: HK$61.90 1,978In Stock	Mfr. Part No. STM32U535CEU6 Mouser Part No 511-STM32U535CEU6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,978In Stock	HK$61.90 HK$47.59 HK$41.92 HK$40.11 View HK$39.54 HK$36.25 HK$34.36 HK$33.21 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U535CEU6Q STMicroelectronics 1: HK$61.90 794In Stock	Mfr. Part No. STM32U535CEU6Q Mouser Part No 511-STM32U535CEU6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	794In Stock	HK$61.90 HK$44.88 HK$41.59 HK$40.11 View HK$39.54 HK$37.15 HK$36.66 HK$34.52 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash STM32U535RBI6Q STMicroelectronics 1: HK$56.14 2,535In Stock	Mfr. Part No. STM32U535RBI6Q Mouser Part No 511-STM32U535RBI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	2,535In Stock	HK$56.14 HK$43.07 HK$37.81 HK$36.17 View HK$34.20 HK$34.11 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-64	ARM Cortex M33	128 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 85 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash STM32U535RBT6 STMicroelectronics 1: HK$55.24 1,098In Stock	Mfr. Part No. STM32U535RBT6 Mouser Part No 511-STM32U535RBT6	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 128 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,098In Stock	HK$55.24 HK$42.33 HK$37.15 HK$35.51 View HK$32.80 HK$32.06 HK$30.00 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U535REI6Q STMicroelectronics 1: HK$76.53 1,713In Stock	Mfr. Part No. STM32U535REI6Q Mouser Part No 511-STM32U535REI6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,713In Stock	HK$76.53 HK$53.51 HK$50.96 HK$44.31 View HK$44.22 HK$40.94 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U535RET6Q STMicroelectronics 1: HK$61.98 862In Stock	Mfr. Part No. STM32U535RET6Q Mouser Part No 511-STM32U535RET6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	862In Stock	HK$61.98 HK$49.57 HK$46.94 HK$44.06 View HK$42.91 HK$40.44 HK$39.37 Quote	Min.: 1 Mult.: 1	STM32U5														Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes Flash STM32U535VEI3 STMicroelectronics 1: HK$78.01 1,048In Stock	Mfr. Part No. STM32U535VEI3 Mouser Part No 511-STM32U535VEI3	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,048In Stock	HK$78.01 HK$60.50 HK$53.51 HK$52.77 View HK$52.28 HK$48.58 Quote	Min.: 1 Mult.: 1	STM32U5	SMD/SMT	UFBGA-100	ARM Cortex M33	512 kB	32 bit	12 bit	160 MHz		274 kB	1.71 V	3.6 V	- 40 C	+ 125 C	Tray
ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash STM32U545CET6Q STMicroelectronics 1: HK$63.62 1,496In Stock	Mfr. Part No. STM32U545CET6Q Mouser Part No 511-STM32U545CET6Q	STMicroelectronics	ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 MCU TrustZone, 160 MHz 512 Kbytes of Flash Learn More about STMicroelectronics stmicro stm32u5	Datasheet	1,496In Stock	HK$63.62 HK$44.39 HK$41.76 HK$39.87 View HK$38.72 HK$37.81 HK$36.74 Quote	Min.: 1 Mult.: 1	STM32U5														Tray

STM32U5 Series of Ultra-Low-Power MCUs

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