8-bit microcontroller with M8C core architecture, featuring 8KB FLASH memory and 512B RAM. This surface mount peripheral IC offers 28 I/Os and supports I2C, SPI, and UART/USART interfaces. Operating voltage ranges from 2.4V to 5.25V, with an internal oscillator. Packaged in a 5x5mm QFN (MO-248) with a height of 0.55mm, it includes POR, PWM, and WDT peripherals and is RoHS compliant.
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Cypress CY8C21434-24LKXI technical specifications.
| Package/Case | QFN |
| Core Architecture | M8C |
| Data Bus Width | 8b |
| Height | 0.55mm |
| Interface | I2C, SPI, UART, USART |
| Lead Free | Lead Free |
| Length | 5.1mm |
| Max Operating Temperature | 85°C |
| Min Operating Temperature | -40°C |
| Max Supply Voltage | 5.25V |
| Memory Size | 8KB |
| Memory Type | FLASH, |
| Min Supply Voltage | 2.4V |
| Mount | Surface Mount |
| Number of I/Os | 28 |
| Operating Supply Voltage | 5V |
| Oscillator Type | Internal |
| Package Quantity | 490 |
| Packaging | Tray |
| Peripherals | POR, PWM, WDT |
| RAM Size | 512B |
| RoHS Compliant | Yes |
| Series | PSOC®1 CY8C21xxx |
| Width | 5.1mm |
| RoHS | Compliant |
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