| PartNumber | EFM8SB20F64G-B-QFP32 | EFM8SB20F64G-B-QFP32R |
| Description | 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU | 8-bit Microcontrollers - MCU 8051 25 MHz 64 kB flash 4 kB RAM 8-bit Sleepy Bee MCU |
| Manufacturer | Silicon Laboratories | Silicon Laboratories |
| Product Category | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| RoHS | Y | Y |
| Series | EFM8SB | EFM8SB |
| Brand | Silicon Labs | Silicon Labs |
| Moisture Sensitive | Yes | - |
| Product Type | 8-bit Microcontrollers - MCU | 8-bit Microcontrollers - MCU |
| Factory Pack Quantity | 250 | 500 |
| Subcategory | Microcontrollers - MCU | Microcontrollers - MCU |
| Tradename | EFM8 | EFM8 |
| Packaging | - | Reel |