STM32F103CBT6 vs STM32F103RBT6 Comparison
Detailed side-by-side comparison of STM32F103CBT6 by STMicroelectronics and STM32F103RBT6 by STMicroelectronics. Compare key specifications, electrical parameters, packaging, lifecycle status, pricing, and availability to determine the best component for your design requirements.
STMicroelectronics
STM32F103CBT6 - 72MHz Cortex-M3 128KB Flash MCU | STMicroelectronics
STM32F103CBT6 ✓ Active
Specification Comparison
| Parameter | STM32F103CBT6 | STM32F103RBT6 |
|---|---|---|
| Brand | STMicroelectronics | STMicroelectronics |
| Category | Microcontrollers | Microcontrollers |
| Lifecycle Status | Active | Active |
| Stock Status | In Stock | In Stock |
| Unit Price (USD) | $3.20 | $3.18 |
| Core | ARM Cortex-M3 32-bit RISC | ARM Cortex-M3 32-bit RISC |
| Maximum Clock Frequency | 72 MHz | 72 MHz |
| Flash Memory | 128 KB | — |
| SRAM | 20 KB | 20 KB |
| Supply Voltage | 2.0 V to 3.6 V | — |
| GPIO Count | 37 (5 V tolerant) | — |
| ADC | 2x 12-bit, up to 10 channels | 2 x 12-bit, 1 us conversion, up to 16 channels |
| DAC | 1x 12-bit | — |
| Timers | 3x 16-bit GP + 1x PWM + 1x basic | 7 x 16-bit (including PWM) |
| USART | 3 | — |
| I2C | 2 | — |
| SPI | 2 | — |
| USB | USB 2.0 Full-Speed Device | — |
| CAN | 1x CAN 2.0B Active | — |
| Package | LQFP-48 (7x7 mm) | LQFP-64 (10x10 mm) |
| Operating Temperature | -40 C to +85 C | -40 C to +85 C (industrial grade) |
| Mounting Type | Surface Mount | Surface Mount |
| RoHS Status | Compliant | Compliant |
| Core Performance | — | 1.25 DMIPS/MHz |
| Program Memory (Flash) | — | 128 KB |
| Supply Voltage (VDD) | — | 2.0 V to 3.6 V |
| Communication Interfaces | — | 2 x SPI, 2 x I2C, 3 x USART, 1 x USB 2.0 FS, 1 x CAN 2.0B |
| I/O Pins (approx.) | — | 51 GPIOs |
| Internal Oscillator | — | 8 MHz HSI RC |
| External Crystal Range | — | 4 MHz to 16 MHz |
| DMA Channels | — | 7 channels |
| MSL Level | — | 3 (per JEDEC J-STD-020) |