| PartNumber | CY8C21345-12PVXE | CY8C21345-24PVXA | CY8C21345-12PVXET |
| Description | 8-bit Microcontrollers - MCU 24 I/O 8K FLASH 512 BYTES SRAM | 8-bit Microcontrollers - MCU 24 I/O 8K FLASH 512 SRAM | 8-bit Microcontrollers - MCU 24 I/O 8K FLASH 512 BYTES 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 | SSOP-28 | SSOP-28 | SSOP-28 |
| Series | CY8C21x45 | CY8C21x45 | CY8C21x45 |
| Core | M8C | M8C | M8C |
| Data Bus Width | 8 bit | 8 bit | 8 bit |
| Maximum Clock Frequency | 12 MHz | 24 MHz | - |
| Program Memory Size | 8 kB | 8 kB | 8 kB |
| Data RAM Size | 512 B | 512 B | 512 B |
| Operating Supply Voltage | 4.75 V to 5.25 V | 3 V to 5.25 V | - |
| Minimum Operating Temperature | - 40 C | - 40 C | - |
| Maximum Operating Temperature | + 125 C | + 85 C | - |
| Packaging | Tube | Tube | Reel |
| Program Memory Type | Flash | Flash | - |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Interface Type | I2C, SPI, UART, USB | I2C, SPI | I2C |
| Moisture Sensitive | Yes | Yes | Yes |
| Processor Series | PSoC1 | CY8C2x | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 94 | 94 | 1000 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.25 V | 6 V | - |
| Tradename | CapSense | CapSense | CapSense |
| Unit Weight | 0.025045 oz | 0.025045 oz | 0.025045 oz |
| Number of I/Os | - | 38 I/O | - |
| Height | - | 2 mm | - |
| Length | - | 10 mm | - |
| Product | - | SoC | - |
| Width | - | 7.5 mm | - |
| Data RAM Type | - | SRAM | - |
| Supply Voltage Min | - | - 0.5 V | - |