| PartNumber | CY8C21634-24LTXI | CY8C21634-24LFXI | CY8C21634-24LFXIT |
| Description | 8-bit Microcontrollers - MCU 2.4V-5.25V 512b RAM 8Kb FLASH | 8-bit Microcontrollers - MCU IC MCU 8K FLASH 512B SRAM | 8-bit Microcontrollers - MCU 8K Flsh 512B RAM IND |
| 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 | CY8C21x34 | CY8C21634 | CY8C21634 |
| Core | M8C | M8C | M8C |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 24 MHz | 24 MHz | - |
| Program Memory Size | 8 kB | 8 kB | - |
| Data RAM Size | 512 B | - | - |
| Number of I/Os | 26 I/O | 28 I/O | - |
| 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 | Tray | Tray | Reel |
| Height | 0.88 mm | - | 0.55 mm |
| Length | 5 mm | - | 5.1 mm |
| Program Memory Type | Flash | Flash | - |
| Width | 5 mm | - | 5.1 mm |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Data RAM Type | SRAM | - | - |
| Interface Type | I2C, SPI, UART | - | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 2 Timer | 8 Timer | - |
| Processor Series | CY8C21x34 | - | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 490 | 980 | 2500 |
| 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 |
| Tradename | CapSense | - | - |
| Unit Weight | 0.006653 oz | 0.006653 oz | 0.002448 oz |
| ADC Resolution | - | 10 bit | - |
| Product | - | SoC | - |
| Number of ADC Channels | - | 24 | - |