STMicroelectronics · Electronic Components
STM32WB55VY
Ultra-low-power dual core Arm Cortex-M4 MCU 64 MHz, Cortex-M0+ 32 MHz with 640 Kbytes of Flash memory, Bluetooth LE 5.3, 802.15.4, Zigbee, Thread, Matter, USB, LCD, AES-256
Part NumberSTM32WB55VY
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32WB
PackageWLCSP 100 4.4x4.4x0.6 P 0.4 mm
CoreArm Cortex-M4
Frequency Mhz64
Flash Kb640.0
Ram Kb256.0
InterfacesI2C: 2; SPI: 2; USART: 1; UART: 1; USB: USB FS; External memory: Quad SPI; Additional: SAI
AnalogADC12: 1 conv / 19 ch; Comparators: 2
Timers16-bit timers: 5; 32-bit timers: 1; Other: Dual Watchdog, RTC, SysTick
SecurityCrypto: AES, ECC, RSA, TRNG; Security: Abnormal Situation Handling, Application Lifecycle, Crypto Engine, Isolation Dual
Supply Voltage1.71–3.6 V
Temp Range-40.0 to 105.0 °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 STM32WB55VY available?
We can source STM32WB55VY 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 STM32WB55VY by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32WB55VY 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 STM32WB55VY?
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 STM32WB55VY?
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.