STM32U3 Ultra-Low-Power 32-Bit Microcontrollers

STMicroelectronics STM32U3 Ultra-Low-Power Arm® Cortex®-M33 32-Bit Microcontrollers with TrustZone® and a Floating-Point Unit (FPU) operate at up to 96MHz. The single‑precision FPU supports all the Arm single‑precision data‑processing instructions and data types. The Cortex-M33 core also implements a full set of digital signal processing (DSP) instructions and a memory protection unit (MPU) that enhances application security. Based on near-threshold voltage technology, the STM32U3 devices reduce the active consumption down to 10µA/MHz, resulting in far longer battery life for any application.

Results: 61
Select Image Part # Mfr. Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model 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
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power Arm Cortex-M33 with TrustZone MCU, 96 MHz, 2 MB flash, 640 KB RAM, HSP, I3C, SMPS
100Expected 16/10/2026
Rp170.618
Rp131.174
Rp116.497
Min.: 1
Mult.: 1
Max.: 25
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 30 Weeks
Rp57.790
Min.: 1.560
Mult.: 1.560
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte Flash Non-Stocked Lead-Time 30 Weeks
Cut Tape
Rp147.685
Rp108.425
Rp101.086
Rp88.978
Reel
Rp69.531
Min.: 1
Mult.: 1
: 2.400
STM32U3 SMD/SMT LQFP-48 ARM Cortex M33 1 MB 32 bit 12 bit 96 MHz 37 I/O 256 kB 1.71 V 3.6 V - 40 C + 85 C Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 30 Weeks
Rp63.294
Min.: 2.940
Mult.: 2.940
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 52 Weeks
Rp129.156
Rp95.032
Rp88.428
Rp77.787
Min.: 1
Mult.: 1
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 96 MHz with 1 Mbyte Non-Stocked Lead-Time 52 Weeks
Cut Tape
Rp153.189
Rp125.120
Rp116.130
Rp104.205
Reel
Rp78.521
Min.: 1
Mult.: 1
: 1.000
STM32U3 Reel, Cut Tape
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 52 Weeks
Cut Tape
Rp149.703
Rp104.572
Rp99.802
Rp86.593
Reel
Rp76.870
Min.: 1
Mult.: 1
: 1.000
STM32U3 Reel, Cut Tape, MouseReel
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 30 Weeks
Rp73.384
Min.: 2.496
Mult.: 2.496
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 52 Weeks
Rp142.915
Rp99.802
Rp95.216
Rp82.740
Min.: 1
Mult.: 1
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 30 Weeks
Rp86.593
Min.: 2.496
Mult.: 2.496
STM32U3 Tray
STMicroelectronics ARM Microcontrollers - MCU Ultra-low-power FPU Arm Cortex-M33 Trust Zone, MCU 96 MHz 1 Mbyte of Flash Non-Stocked Lead-Time 52 Weeks
Cut Tape
Rp156.308
Rp109.342
Rp104.205
Rp90.446
Reel
Rp80.172
Min.: 1
Mult.: 1
: 1.000
STM32U3 Reel, Cut Tape, MouseReel