STMicroelectronics · Electronic Components
STM32G491RE
Mainstream Arm Cortex-M4 MCU 170 MHz with 512 Kbytes of Flash memory, Math Accelerator, High Analog level integration
Part NumberSTM32G491RE
ManufacturerSTMicroelectronics
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32G4
PackageLQFP 64 10x10x1.4 mm, UFBGA 64 5x5x0.6 P 0.5 mm, WLCSP 64 3.5x3.6x0.6 P 0.4 mm
CoreArm Cortex-M4
Frequency Mhz170
Flash Kb512.0
Ram Kb112.0
InterfacesI2C: 3; SPI: 3; I2S: 2; USART: 3; UART: 2; USB: USB Device, USB FS, USB Type-C; CAN-FD: 2; External memory: Quad SPI; Ad
AnalogADC12: 3 conv / 24 ch; DAC12: 4; Comparators: 4; Op amps: 4
Timers16-bit timers: 11; 32-bit timers: 1; Other: Dual Watchdog, RTC, SysTick
Supply Voltage1.71–3.6 V
Temp Range-40.0 to 125.0 °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 STM32G491RE available?
We can source STM32G491RE 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 STM32G491RE by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32G491RE 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 STM32G491RE?
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 STM32G491RE?
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.