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| Part Number | PAC5253QA |
| Description | 8X8 QFN 48 PINS 0.5 MM PITCH |
| Manufacturer | Active-Semi International Inc. |
| Series | PAC52xx |
| Part Status | Active |
| Applications | Smart Energy Appliances, Devices, and Equipment |
| Core Processor | ARM® Cortex®-M0 |
| Program Memory Type | FLASH (32kB) |
| Controller Series | PAC™ |
| RAM Size | 8K x 8 |
| Interface | I²C, SPI, SWD, UART |
| Number of I/O | 25 |
| Voltage - Supply | 1.8V, 3.3V, 5V |
| Operating Temperature | -40°C ~ 105°C |
| Mounting Type | Surface Mount |
| Package / Case | 43-WFQFN Exposed Pad |
| Supplier Device Package | 43-TQFN (8x8) |