Details

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BUY DM9334J/883QS https://www.utsource.net/itm/p/6526405.html
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Parameter	DM9334J/883QS Specifications
Part Number	DM9334J/883QS
Description	High-Speed USB 2.0 Hub Controller
Package Type	QFN-32
Operating Voltage	3.3V 卤 5%
Operating Temperature	-40掳C to +85掳C
Data Rate	Up to 480 Mbps (High-Speed)
Number of Ports	4 downstream ports
Interface	USB 2.0 compliant
Power Consumption	Low power consumption in suspend mode
ESD Protection	Integrated ESD protection
RoHS Compliance	Yes

Instructions for Use:

1. Power Supply: Ensure the device is powered with a stable 3.3V supply within the specified tolerance.
2. Installation: Solder the component onto the PCB following the manufacturer's recommended footprint and reflow profile for QFN packages.
3. Connections: Connect the USB upstream port to the host system and downstream ports to peripheral devices.
4. Firmware: Load any necessary firmware or drivers as specified by the datasheet or application notes.
5. Testing: After installation, perform functional testing to ensure all ports operate correctly at both full-speed and high-speed data rates.
6. Environmental Conditions: Operate within the specified temperature range to avoid damage or malfunction.
7. Handling: Handle with care to prevent damage from electrostatic discharge; follow ESD handling guidelines.

For detailed specifications and advanced usage, refer to the official datasheet provided by the manufacturer.

(For reference only)