STMicroelectronics · Electronic Components
STM32C542EC
Mainstream Arm Cortex-M33 MCU, 144 MHz, 256 KB flash, 64 KB RAM, I3C, Dual FDCAN, crypto
Part NumberSTM32C542EC
ManufacturerSTMicroelectronics
LifecycleEvaluation
AvailabilityAvailable to order — request a quote
Specifications
SeriesSTM32C5
PackageUFQFPN 24 4x4x0.50 mm
CoreArm Cortex-M33
Frequency Mhz144
Flash Kb256.0
Ram Kb64.0
InterfacesI2C: 1; SPI: 2; I2S: 2; USART: 2; UART: 1; USB: USB FS; CAN-FD: 2; I3C: 1
AnalogADC12: 1 conv / 5 ch; DAC12: 1; Comparators: 2; Op amps: 1
Timers16-bit timers: 6; 32-bit timers: 1; Motor control timers: 2; Other: IWDG, LP timer, RTC, SysTick, WWDG
SecurityCrypto: HASH, SHA-1, SHA-2, TRNG; Security: Crypto Engine, Secure Boot, Secure Install/Update, Silicon Device Lifecycle
Supply Voltage2.7–3.6 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 STM32C542EC available?
We can source STM32C542EC 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 STM32C542EC by STMicroelectronics obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If STM32C542EC 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 STM32C542EC?
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 STM32C542EC?
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.