STMicroelectronics · Electronic Components
STM32L422TB
Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB
Part NumberSTM32L422TB
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32L4
PackageWLCSP 36 2.6x3.1x0.6 P 0.4 mm
CoreArm Cortex-M4
Frequency Mhz80
Flash Kb128.0
Ram Kb40.0
InterfacesI2C: 2; SPI: 1; USART: 2; USB: USB Device; External memory: Quad SPI
AnalogADC12: 2 conv / 10 ch; Comparators: 1; Op amps: 1
Timers16-bit timers: 4; 32-bit timers: 1; Other: Dual Watchdog, RTC, SysTick
SecurityCrypto: AES, TRNG; Security: Abnormal Situation Handling, Application Lifecycle, Crypto Engine, Isolation Firewall, Secu
Supply Voltage1.71–3.6 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 STM32L422TB available?
We can source STM32L422TB 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 STM32L422TB by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32L422TB 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 STM32L422TB?
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 STM32L422TB?
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.