TetraHub(TM) USB 2.0 4-Port Hub Cypress offers a complete reference design for developing a fixed-function, 4-port USB 2.0 hub that is production ready and USB 2.0 compliant.
Key Features: - Compliance with USB 2.0
- 480/12/1.5-Mbps operation
- 4 transaction translators ("tetra" architecture)
- 56-lead QFN (quad flat no-lead) package
- Integrated components
- 1.5K ohm pull-up resistor on D
 - 15K ohm pull-down resistors on downstream ports
- Individual or ganged port power switching and over current detection
- Integrated phase-locked loop
- Dedicated LED ports
Hardware Description
The TetraHub reference design kit includes:
- CY7C65640-based demonstration unit
- 5 VDC, 2.5A wall power supply
- USB cable
- Data sheet and design notes
- Hardware files
- Schematics
- Bill of Materials
- Gerber and OrCAD source files
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