| PartNumber | CY8C4014SXA-421Z | CY8C4014SXA-421T | CY8C4014SXA-421 |
| Description | ARM Microcontrollers - MCU CY8C4014SXA-421Z | ARM Microcontrollers - MCU PSoC4 | ARM Microcontrollers - MCU PSoC4 |
| Manufacturer | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Product Category | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| RoHS | Y | Y | Y |
| Mounting Style | SMD/SMT | SMD/SMT | SMD/SMT |
| Package / Case | SOIC-16 | SOIC-16 | SOIC-16 |
| Series | PSoC4000 | PSoC4000 | PSoC4000 |
| Core | ARM Cortex M0 | ARM Cortex M0 | ARM Cortex M0 |
| Data Bus Width | 32 bit | 32 bit | 32 bit |
| Maximum Clock Frequency | 16 MHz | 16 MHz | 16 MHz |
| Program Memory Size | 16 kB | 16 kB | 16 kB |
| Data RAM Size | 2 kB | 2 kB | 2 kB |
| ADC Resolution | No ADC | - | - |
| Number of I/Os | 13 I/O | - | - |
| Operating Supply Voltage | 1.71 V to 5.5 V | 1.8 V | 1.8 V |
| Minimum Operating Temperature | - 40 C | - 40 C | - 40 C |
| Maximum Operating Temperature | + 85 C | + 85 C | + 85 C |
| Packaging | Tube | Reel | Tube |
| Product | MCU | MCU | MCU |
| Program Memory Type | Flash | Flash | Flash |
| Brand | Cypress Semiconductor | Cypress Semiconductor | Cypress Semiconductor |
| Data RAM Type | SRAM | SRAM | SRAM |
| Data ROM Size | 4 kB | - | - |
| Data ROM Type | ROM | - | - |
| Interface Type | I2C | I2C, SPI, UART | I2C, SPI, UART |
| Development Kit | CY8CKIT-040 | - | - |
| Moisture Sensitive | Yes | Yes | Yes |
| Number of Timers/Counters | 1 Timer | 1 x 16 bit | 1 x 16 bit |
| Processor Series | PSoC 4000 | 4000 | 4000 |
| Product Type | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU | ARM Microcontrollers - MCU |
| Factory Pack Quantity | 480 | 2500 | 480 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | Microcontrollers - MCU |
| Supply Voltage Max | 5.5 V | 1.89 V | 1.89 V |
| Supply Voltage Min | 1.71 V | 1.71 V | 1.71 V |
| Tradename | PSoC | PSoC | PSoC |
| Watchdog Timers | Watchdog Timer | Watchdog Timer | Watchdog Timer |
| Number of ADC Channels | - | 1 Channel | 1 Channel |