SWRS284C April   2024  – October 2025 CC3350 , CC3351

PRODUCTION DATA  

  1.   1
  2. 1 Features
  3. 2 Applications
  4. 3 Description
  5. 4 System Diagram
  6. 5 Pin Configuration and Functions
    1. 5.1 Pin Diagram
    2. 5.2 Pin Attributes
  7. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Electrical Characteristics
    5. 6.5  Thermal Resistance Characteristics
    6. 6.6  WLAN Performance: 2.4GHz Receiver Characteristics
    7. 6.7  WLAN Performance: 2.4GHz Transmitter Power
    8. 6.8  WLAN Performance: 5GHz Receiver Characteristics
    9. 6.9  WLAN Performance: 5GHz Transmitter Power
    10. 6.10 BLE Performance: Receiver Characteristics
    11. 6.11 BLE Performance: Transmitter Characteristics
    12. 6.12 Current Consumption: 2.4GHz WLAN Static Modes
    13. 6.13 Current Consumption: 5GHz WLAN Static Modes
    14. 6.14 Current Consumption: 2.4GHz WLAN Use Cases
    15. 6.15 Current Consumption: 5GHz WLAN Use Cases
    16. 6.16 Current Consumption: BLE Static Modes
    17. 6.17 Current Consumption: BLE Use Cases
    18. 6.18 Current Consumption: Device Modes
    19. 6.19 Timing and Switching Characteristics
      1. 6.19.1 Power Supply Sequencing
      2. 6.19.2 Clocking Specifications
        1. 6.19.2.1 Slow Clock Generated Internally
        2. 6.19.2.2 Slow Clock Using an External Oscillator
          1. 6.19.2.2.1 External Slow Clock Requirements
        3. 6.19.2.3 Fast Clock Using an External Crystal (XTAL)
          1. 6.19.2.3.1 External Fast Clock XTAL Specifications
    20. 6.20 Interface Timing Characteristics
      1. 6.20.1 SDIO Timing Specifications
        1. 6.20.1.1 SDIO Timing Diagram—Default Speed
        2. 6.20.1.2 SDIO Timing Parameters: Default Speed
        3. 6.20.1.3 SDIO Timing Diagram—High Speed
        4. 6.20.1.4 SDIO Timing Parameters: High Speed
      2. 6.20.2 SPI Timing Specifications
        1. 6.20.2.1 SPI Timing Diagram
        2. 6.20.2.2 SPI Timing Parameters
      3. 6.20.3 UART 4-Wire Interface
        1. 6.20.3.1 UART Timing Diagram
        2. 6.20.3.2 UART Timing Parameters
  8. 7 Detailed Description
    1. 7.1 WLAN Features
    2. 7.2 Bluetooth Low Energy Features
  9. 8 Applications, Implementation, and Layout
  10. 9 Device and Documentation Support
    1. 9.1 Third-Party Products Disclaimer
    2. 9.2 Device Nomenclature Boilerplate
    3. 9.3 Tools and Software
    4. 9.4 Documentation Support
    5. 9.5 Support Resources
    6. 9.6 Trademarks
    7. 9.7 Electrostatic Discharge Caution
    8. 9.8 Glossary
  11. 10Revision History
  12. 11Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

Key Features

  • Wi-Fi 6 (802.11ax)

  • Bluetooth® Low Energy 5.4 in CC3351 devices

  • Companion IC to any processor or MCU host capable of running a TCP/IP stack

  • Integrated 2.4GHz and 5GHz PA for a complete wireless solution with up to +20.5dBm output power.

  • Operating temperature: –40°C to +105°C

  • Application throughput up to 50Mbps

Extended Features

  • Wi-Fi 6
    • 2.4GHz and 5GHz, 20MHz, single spatial stream
    • MAC, baseband, and RF transceiver with support for IEEE 802.11 a/b/g/n/ax
    • OFDMA, trigger frame, MU-MIMO (downlink), basic service set coloring, and target wake time (TWT) for improved efficiency
    • Hardware-based encryption and decryption supporting WPA2 and WPA3
    • Excellent interoperability
    • Support for 4-bit SDIO or SPI host interfaces
  • Bluetooth Low Energy 5.4
    • LE coded PHYs (long range), LE 2M PHY (high speed), and advertising extension
    • Host controller interface (HCI) transport with option for UART or shared SDIO
  • Enhanced security
    • Secured host interface
    • Firmware authentication
    • Anti-rollback protection
  • Multirole support (for example, concurrent STA and AP) to connect with Wi-Fi devices on different RF channels (Wi-Fi networks)
  • Optional antenna diversity or selection
  • 3-wire or 1-wire PTA for external coexistence with additional 2.4GHz radios (for example, Thread or Zigbee)
  • Power management
    • VMAIN, VIO, Vpp: 1.8V
    • VPA: 3.3V
  • Clock sources
    • 40MHz XTAL fast clock
    • Internal slow clock or external 32.768kHz slow clock
  • Small package size
    • Easy to design with 40-pin, 5mm × 5mm quad flat no-leaded (QFN) package, 0.4mm pitch