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| PartNumber | C8051F531A-IMR | C8051F531A-IT | C8051F531A |
| Description | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU 25 MIPS, 8 kB, 256, SPI, UART, TSSOP20 | |
| Manufacturer | Silicon Laboratories | Silicon Laboratories | - |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| RoHS | Y | Y | - |
| Series | C8051F531A | C8051F531A | - |
| Core | 8051 | 8051 | - |
| Data Bus Width | 8 bit | 8 bit | - |
| Operating Supply Voltage | 1.5 V, 1.8 V to 2.7 V | 1.8 V to 2.7 V | - |
| Packaging | Reel | Tube | - |
| Brand | Silicon Labs | Silicon Labs | - |
| Processor Series | C8051 | C8051 | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU | - |
| Factory Pack Quantity | 1500 | 74 | - |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU | - |
| Mounting Style | - | SMD/SMT | - |
| Package / Case | - | TSSOP-20 | - |
| Maximum Clock Frequency | - | 25 MHz | - |
| Program Memory Size | - | 8 kB | - |
| Data RAM Size | - | 256 B | - |
| ADC Resolution | - | 12 bit | - |
| Number of I/Os | - | 16 I/O | - |
| Minimum Operating Temperature | - | - 40 C | - |
| Maximum Operating Temperature | - | + 125 C | - |
| Height | - | 1 mm | - |
| Length | - | 6.5 mm | - |
| Program Memory Type | - | Flash | - |
| Width | - | 4.4 mm | - |
| Interface Type | - | SPI, UART | - |
| Moisture Sensitive | - | Yes | - |
| Number of ADC Channels | - | 16 | - |
| Number of Timers/Counters | - | 3 Timer | - |
| Supply Voltage Max | - | 2.7 V, 5.25 V | - |
| Supply Voltage Min | - | 1.8 V | - |
| Unit Weight | - | 0.002483 oz | - |