STMicroelectronics · Electronic Components
STM32L100RB
Ultra-low-power 32-bit Value Line Arm Cortex-M3 MCU with 128 Kbytes of Flash memory, 32 MHz CPU, LCD, USB
Part NumberSTM32L100RB
ManufacturerSTMicroelectronics
LifecycleNRND — Not Recommended for New Designs
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32L1
PackageLQFP 64 10x10x1.4 mm
CoreArm Cortex-M3
Frequency Mhz32
Flash Kb128.0
Ram Kb10.0
InterfacesI2C: 2; SPI: 2; USART: 3; USB: USB Device
AnalogADC12: 1 conv / 20 ch; DAC12: 2; Comparators: 2
Timers16-bit timers: 8; Other: Dual Watchdog, RTC, SysTick
SecuritySecurity: Abnormal Situation Handling, Application Lifecycle, Secure Boot, Secure Install/Update, Silicon Device Lifecyc
Supply Voltage1.8–3.6 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 STM32L100RB available?
We can source STM32L100RB 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 STM32L100RB by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32L100RB 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 STM32L100RB?
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 STM32L100RB?
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.