| PartNumber | CY8C21434-24LCXIT | CY8C21434-24LCXI | CY8C21434-24LFXI |
| Description | 8-bit Microcontrollers - MCU PSoC, 28I/O, 8K Fsh 512 bytes RAM | 8-bit Microcontrollers - MCU PSoC, 28I/O, 8K Fsh 512 bytes RAM | 8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | QFN-32 | QFN-32 | QFN-32 |
| Series | CY8C21434 | CY8C21434 | CY8C21434 |
| Core | M8C | M8C | M8C |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Operating Supply Voltage | 2.4 V to 5.25 V | 2.4 V to 5.25 V | 2.4 V to 5.25 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Reel | Tray | Tray |
| Height | 0.88 mm | 0.88 mm | - |
| Length | 5 mm | 5 mm | - |
| Width | 5 mm | 5 mm | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Moisture Sensitive | Yes | Yes | Yes |
| Processor Series | CY8C21x34 | CY8C21x34 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 2500 | 490 | 2450 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.25 V | 5.25 V | 5.25 V |
| Supply Voltage Min | 2.4 V | 2.4 V | 2.4 V |
| Unit Weight | 0.002448 oz | 0.006653 oz | 0.006653 oz |
| Maximum Clock Frequency | - | 24 MHz | 24 MHz |
| Program Memory Size | - | 8 kB | 8 kB |
| Data RAM Size | - | 512 B | - |
| Number of I/Os | - | 28 I/O | 28 I/O |
| Program Memory Type | - | Flash | Flash |
| Data RAM Type | - | SRAM | - |
| Interface Type | - | I2C, SPI, UART | - |
| Number of Timers/Counters | - | 2 Timer | 8 Timer |
| ADC Resolution | - | - | 10 bit |
| Product | - | - | SoC |
| Number of ADC Channels | - | - | 24 |