STMicroelectronics · Electronic Components
STM32C091RB
Mainstream Arm Cortex-M0+ MCU with 128 Kbytes of Flash memory, 36 Kbytes RAM, 48 MHz CPU, 4x USART, timers, ADC, comm. I/F, 2-3.6V
Part NumberSTM32C091RB
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32C0
PackageLQFP 64 10x10x1.4 mm, UFBGA 64 5x5x0.6 P 0.5 mm
CoreArm Cortex-M0+
Frequency Mhz48
Flash Kb128.0
Ram Kb36.0
InterfacesI2C: 2
AnalogADC12: 1 conv / 23 ch
Timers16-bit timers: 6; Other: IWDG, SysTick, WWDG
SecuritySecurity: Silicon Device Lifecycle, Software IP Protection
Supply Voltage2.0–3.6 V
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 STM32C091RB available?
We can source STM32C091RB 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 STM32C091RB by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32C091RB 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 STM32C091RB?
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 STM32C091RB?
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.