(China (Mainland))
Product Summary
The au9254a21-has-gr is an integrated single chip USB hub controller. The au9254a21-has-gr is designed for the emerging industry-standard Universal Serial Bus (USB). The au9254a21-has-gr supports four USB downstream ports. Each downstream port has power switch control, and over-current sensing. Single chip integration makes the au9254a21-has-gr the most cost effective stand-alone USB hub solution available in the market.
Parametrics
au9254a21-has-gr absolute maximum ratings: (1)VCC, Power Supply: -0.3 to 6.0 V; (2)VIN, Input Voltage: -0.3 to VCC+0.3 V; (3)VOUT, Output Voltage: -0.3 to VCC+0.3 V; (4)TSTG, Storage Temperature: -40 to 125 ℃; (5)VCC, Power Supply: 4.5 to 5.5 V; (6)VIN, Input Voltage: 0 VCC V; (7)TOPR, Operating Temperature: -5 to 85 ℃.
Features
au9254a21-has-gr features: (1)Fully compliant with the Universal Serial Bus Specification, version 1.1; (2)USB hub design is compliant with Universal Serial Bus Hub Specification, revision 1.1; (3)Single chip integrated USB hub controller with embedded proprietary processor; (4)Supports four bus-powered/self-powered downstream ports; (5)Built-in 3.3v voltage regulator allows single +5V operating voltage, resulting in reduced overall system cost; (6)Runs at 12Mhz frequency; (7)28-pin SSOP package, both normal size (body size 209 mil) and smaller size (body size 150 mil) are available.
Diagrams
