STMicroelectronics · Electronic Components
STM32U073HB
Ultra-low-power Arm Cortex-M0+ MCU with 128 Kbytes of Flash memory, LCD, USB, 56 MHz CPU
Part NumberSTM32U073HB
ManufacturerSTMicroelectronics
LifecycleEvaluation
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32U0
PackageWLCSP 42 2.8x2.9x0.58 P 0.40 mm
CoreArm Cortex-M0+
Frequency Mhz56
Flash Kb128.0
Ram Kb40.0
InterfacesI2C: 3; USART: 4; UART: 2; USB: USB Device, USB FS
AnalogADC12: 1 conv / 16 ch; DAC12: 1; Comparators: 2; Op amps: 1
Timers16-bit timers: 7; 32-bit timers: 1; Other: Dual Watchdog, RTC, SysTick
SecurityCrypto: TRNG; Security: Abnormal Situation Handling, Application Lifecycle, Crypto Engine, Secure Boot, Secure Install/U
Supply Voltage1.65–3.6 V
Temp Range-40.0 to 85.0 °C
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is STM32U073HB available?
We can source STM32U073HB even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is STM32U073HB by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32U073HB has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like STM32U073HB?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for STM32U073HB?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.