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RTL8305SC

Specifications

SKU: 1730478

BUY RTL8305SC https://www.utsource.net/itm/p/1730478.html
SINGLE-CHIP 5-PORT 10/100MBPS SWITCH CONTROLLER WITH DUAL MII INTERFACES
Parameter Description Min Typ Max Unit
VCC1 Core Supply Voltage 3.0 3.3 3.6 V
VCC2 I/O Supply Voltage 2.7 3.3 3.6 V
VCC3 LED Supply Voltage 2.7 3.3 3.6 V
IVCC1 Internal Core Supply Voltage - 1.2 - V
IVCC2 Internal I/O Supply Voltage - 1.2 - V
Operating Temperature Storage and Operating Temperature Range -40 - 85 °C
Storage Temperature Storage Temperature Range -40 - 85 °C
Operating Humidity Non-Condensing Operating Humidity 0 - 95 % RH
Power Consumption Typical Power Consumption (All Ports Active) - 1.5 - W
MTBF Mean Time Between Failures - 300,000 - Hours

Instructions for RTL8305SC

  1. Power Supply Connections:

    • Connect VCC1 (Core Supply) to 3.3V.
    • Connect VCC2 (I/O Supply) to 3.3V.
    • Connect VCC3 (LED Supply) to 3.3V.
    • Ensure that all power supply voltages are within the specified range to avoid damage.
  2. Grounding:

    • Ensure a common ground connection for all power supplies and signals to maintain signal integrity.
  3. Operating Temperature:

    • The device is designed to operate within a temperature range of -40°C to 85°C. Avoid exposing the device to temperatures outside this range to prevent damage or malfunction.
  4. Storage Conditions:

    • Store the device in a dry environment with a temperature range of -40°C to 85°C and humidity levels up to 95% non-condensing.
  5. Power Consumption:

    • The typical power consumption is 1.5W when all ports are active. Ensure that the power supply can handle this load.
  6. MTBF:

    • The Mean Time Between Failures (MTBF) is 300,000 hours under normal operating conditions. Regular maintenance and adherence to operating guidelines will help achieve this reliability.
  7. Signal Integrity:

    • Use proper PCB layout techniques to minimize noise and crosstalk. Ensure that high-speed signals are routed with controlled impedance and appropriate termination.
  8. LED Connections:

    • Connect LEDs to the appropriate pins as per the datasheet. Ensure that the current through the LEDs does not exceed the maximum ratings.
  9. Configuration:

    • Configure the device using the provided configuration registers. Refer to the datasheet for detailed register maps and configuration settings.
  10. Firmware/Software:

    • Use the provided firmware or software tools to initialize and manage the device. Follow the programming guidelines to ensure correct operation.
  11. Handling:

    • Handle the device with care to avoid static discharge and physical damage. Use ESD protection measures when handling the device.
  12. Testing:

    • Perform initial testing and validation to ensure that the device is functioning correctly. Use the test patterns and diagnostic tools provided in the datasheet.

For more detailed information, refer to the official datasheet and application notes for the RTL8305SC.

(For reference only)

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