| PartNumber | CY8C20434-12LQXI | CY8C20434-12LKXI | CY8C20434-12LKXIT |
| Description | 8-bit Microcontrollers - MCU 2.4-5.25V 8K FLASH 512B LO PWR CAPSENSE | 8-bit Microcontrollers - MCU 28 I/O 8K Flash 512B RAM | IC MCU 8BIT 8KB FLASH 32QFN |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Mounting Style | SMD/SMT | SMD/SMT | - |
| Package / Case | QFN-32 | QFN-32 | - |
| Series | CY8C20434 | CY8C20434 | - |
| Core | M8C | M8C | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Maximum Clock Frequency | 12 MHz | 12 MHz | - |
| Program Memory Size | 8 kB | 8 kB | - |
| Data RAM Size | 512 B | 512 B | - |
| Number of I/Os | 20 I/O | 28 I/O | - |
| Operating Supply Voltage | 2.4 V to 5.25 V | 2.4 V to 5.25 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 85 C | + 85 C | - |
| Packaging | Tray | Tray | - |
| Program Memory Type | Flash | Flash | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | - |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C or SPI | I2C, SPI | - |
| Moisture Sensitive | Yes | Yes | - |
| Processor Series | CY8C20x34x | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 490 | 980 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Tradename | CapSense | - | - |
| Unit Weight | 0.006653 oz | 0.006653 oz | - |
| Height | - | 0.93 mm | - |
| Length | - | 5.1 mm | - |
| Product | - | SoC | - |
| Width | - | 5.1 mm | - |
| Supply Voltage Max | - | 5.25 V | - |
| Supply Voltage Min | - | 2.4 V | - |