STMicroelectronics · Electronic Components
STM32F101RB
Mainstream Access line, Arm Cortex-M3 MCU with 128 Kbytes of Flash memory, 36 MHz CPU
Part NumberSTM32F101RB
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32F1
PackageLQFP 64 10x10x1.4 mm, TFBGA 64 5x5x1.2 P 0.5 mm
CoreArm Cortex-M3
Frequency Mhz36
Flash Kb128.0
Ram Kb16.0
InterfacesI2C: 2; SPI: 2; USART: 3
AnalogADC12: 1 conv / 16 ch
Timers16-bit timers: 3; Other: Dual Watchdog, RTC, SysTick
Supply Voltage2.0–3.6 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 STM32F101RB available?
We can source STM32F101RB 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 STM32F101RB by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32F101RB 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 STM32F101RB?
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 STM32F101RB?
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.