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| Part Number | CYPD3121-40LQXI | CYPD3125-40LQXI | CYPD3123-40LQXI | CYPD3121-40LQXIT | CYPD3122-40LQXI | CYPD1121-40LQXI | CYPD3120-40LQXI |
|---|---|---|---|---|---|---|---|
| Manufacturer | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies | Infineon Technologies |
| Product Status | Obsolete | Active | Active | Obsolete | Obsolete | Obsolete | Active |
| Applications | USB Type C | USB Type C | USB Type C | USB Type C | USB Type C | USB Type C | USB Type C |
| Core Processor | ARM® Cortex®-M0 | ARM® Cortex®-M0 | ARM® Cortex®-M0 | ARM® Cortex®-M0 | ARM® Cortex®-M0 | ARM® Cortex®-M0 | ARM® Cortex®-M0 |
| Program Memory Type | FLASH (128kB) | FLASH (128kB) | FLASH (128kB) | FLASH (128kB) | FLASH (128kB) | FLASH (32kB) | FLASH (128kB) |
| Controller Series | - | - | - | - | CYUSB | - | - |
| RAM Size | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 8K x 8 | 4K x 8 | 8K x 8 |
| Interface | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB | I²C, SPI, UART/USART, USB |
| Number of I/O | 16 | 20 | 16 | 16 | 20 | 34 | 16 |
| Voltage - Supply | 2.7V ~ 21.5V | 2.7V ~ 5.5V | 2.7V ~ 21.5V | 2.7V ~ 21.5V | 2.7V ~ 21.5V | 1.71V ~ 5.5V | 2.7V ~ 21.5V |
| Operating Temperature | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) | -40°C ~ 85°C | -40°C ~ 85°C (TA) | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount | Surface Mount |
| Package / Case | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad | 40-UFQFN Exposed Pad |
| Supplier Device Package | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) | 40-QFN (6x6) |
