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| PartNumber | SI1004-C-GM | SI1004 | SI1004-E-GM |
| Description | RF Microcontrollers - MCU 64kB, 4kB RAM, +13 dBm, programmable XCVR, DC-DC, QFN42 | Microcontrollers - MCU RF Microcontrollers - MCU 64kB 4kB RAM +13 dBm progrmble XCVR QFN42 | |
| Manufacturer | Silicon Laboratories | Silicon Labs | Silicon Labs |
| Product Category | RF Microcontrollers - MCU | RF Transceiver ICs | RF Transceiver ICs |
| RoHS | Y | - | - |
| Core | 8051 | - | - |
| Operating Frequency | 240 MHz to 960 MHz | - | - |
| Data Bus Width | 8 bit | - | - |
| Program Memory Size | 64 kB | - | - |
| Data RAM Size | 4352 B | - | - |
| Maximum Clock Frequency | 25 MHz | - | - |
| ADC Resolution | No ADC | - | - |
| Operating Supply Voltage | 0.9 V to 1.8 V | - | - |
| Maximum Operating Temperature | + 85 C | - | - |
| Package / Case | QFN-42 | - | - |
| Mounting Style | SMD/SMT | - | - |
| Packaging | Tube | Tube | Tray Alternate Packaging |
| Program Memory Type | Flash | - | - |
| Brand | Silicon Labs | - | - |
| Interface Type | PCA, SMBus, SPI, UART | - | - |
| Number of I/Os | 19 I/O | - | - |
| Minimum Operating Temperature | - 40 C | - | - |
| Moisture Sensitive | Yes | - | - |
| Number of Timers | 4 Timer | - | - |
| Processor Series | Si100x | - | - |
| Product Type | RF Microcontrollers - MCU | - | - |
| Factory Pack Quantity | 43 | - | - |
| Subcategory | Wireless & RF Integrated Circuits | - | - |
| Supply Voltage Max | 1.8 V | - | - |
| Supply Voltage Min | 0.9 V | - | - |
| Unit Weight | 0.001764 oz | - | - |
| Series | - | - | - |
| Type | - | TxRx + MCU | TxRx + MCU |
| Package Case | - | 42-WFQFN Exposed Pad | 42-VFLGA Exposed Pad |
| Frequency | - | 240MHz ~ 960MHz | 240MHz ~ 960MHz |
| Operating Temperature | - | -40°C ~ 85°C | -40°C ~ 85°C |
| Sensitivity | - | -121dBm | -121dBm |
| Voltage Supply | - | 1.8 V ~ 3.6 V | 1.8 V ~ 3.6 V |
| Memory Size | - | 64kB Flash, 4.35kB RAM | 64kB Flash, 4.35kB RAM |
| Protocol | - | EZRadioPro | EZRadioPro |
| Data Rate Max | - | 256kbps | 256kbps |
| Serial Interfaces | - | I2C, SPI, UART | I2C, SPI, UART |
| Power Output | - | 13dBm | 13dBm |
| Current Receiving | - | 18.5mA | 18.5mA |
| RF Family Standard | - | General ISM | General ISM |
| Modulation | - | FSK, GFSK, OOK | FSK, GFSK, OOK |
| GPIO | - | 19 | 19 |
| Current Transmitting | - | 17mA ~ 30mA | 17mA ~ 30mA |