STMicroelectronics · Electronic Components
STM32U5A9BJ
Ultra-low-power with FPU Arm Cortex-M33 MCU with TrustZone, 160 MHz with 4 Mbytes of Flash memory
Part NumberSTM32U5A9BJ
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32U5
PackageWLCSP 208 5.4x5.5x0.6 P 0.35 mm
CoreArm Cortex-M33
Frequency Mhz160
Flash Kb4096.0
Ram Kb2514.0
InterfacesI2C: 6; SPI: 3; USART: 4; USB: USB OTG HS, USB Type-C; CAN-FD: 1; External memory: Dual Octo SPI, FSMC, xSPI; Additional
AnalogADC12: 1 conv / 24 ch; ADC14: 2 conv / 24 ch; DAC12: 2; Comparators: 2; Op amps: 3
Timers16-bit timers: 11; 32-bit timers: 4; Other: Dual Watchdog, RTC, SysTick
SecurityCrypto: AES, MD5, OTF DEC, S-AES, S-ECC, S-RSA, SHA-1, TRNG; Security: Abnormal Situation Handling, Application Lifecycl
Supply Voltage1.71–3.6 V
Temp Range-40.0 to 125.0 °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 STM32U5A9BJ available?
We can source STM32U5A9BJ 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 STM32U5A9BJ by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32U5A9BJ 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 STM32U5A9BJ?
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 STM32U5A9BJ?
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.