CY7C65640-LFC Cypress Semiconductor Corp, CY7C65640-LFC Datasheet - Page 2

• Manufacturer Part Number: CY7C65640-LFC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C65640-LFC

• Operating Temperature (min): 0C
• Operating Temperature Classification: Commercial
• Operating Temperature (max): 70C
• Rad Hardened: No
• Lead Free Status / Rohs Status: Not Compliant

1.0 TETRAHUB™ FEATURES ............................................................................................................. 5
2.0 INTRODUCTION ............................................................................................................................. 6
3.0 APPLICATIONS .............................................................................................................................. 7
4.0 FUNCTIONAL OVERVIEW ............................................................................................................. 7
5.0 PIN CONFIGURATION .................................................................................................................10
6.0 PIN DESCRIPTION TABLE ..........................................................................................................11
7.0 DEFAULT DESCRIPTORS ...........................................................................................................13
8.0 CONFIGURATION OPTIONS .......................................................................................................16
9.0 SUPPORTED USB REQUESTS ...................................................................................................18
10.0 UPSTREAM USB CONNECTION ...............................................................................................21
11.0 DOWNSTREAM USB CONNECTIONS ......................................................................................21
12.0 LED CONNECTIONS ..................................................................................................................21
13.0 SAMPLE SCHEMATIC ...............................................................................................................22
14.0 ELECTRICAL CHARACTERISTICS ...........................................................................................23
Document #: 38-08019 Rev. *E
2.1 TetraHub Architecture ................................................................................................................6
2.2 USB Serial Interface Engine (SIE) ............................................................................................. 6
2.3 Hub Controller ............................................................................................................................ 7
2.4 Hub Repeater ............................................................................................................................. 7
2.5 Transaction Translator ............................................................................................................... 7
4.1 System Initialization ................................................................................................................... 7
4.2 Enumeration ............................................................................................................................... 7
4.3 Multiple Transaction Translator Support .................................................................................... 8
4.4 Downstream Ports ..................................................................................................................... 8
4.5 Upstream Port ............................................................................................................................ 8
4.6 Power Switching ........................................................................................................................ 8
4.7 Over-current Detection ............................................................................................................... 8
4.8 Port Indicators ............................................................................................................................ 9
7.1 Device Descriptor .....................................................................................................................13
7.2 Configuration Descriptor ..........................................................................................................13
7.3 Interface Descriptor ..................................................................................................................13
7.4 Endpoint Descriptor .................................................................................................................14
7.5 Interface Descriptor[3] ..............................................................................................................14
7.6 Endpoint Descriptor[3] .............................................................................................................14
7.7 Device Qualifier Descriptor ......................................................................................................14
7.8 Hub Descriptor .........................................................................................................................15
8.1 Default – 0xD0 Load ................................................................................................................16
8.2 Configured – 0xD2 Load ..........................................................................................................16
9.1 Device Class Commands .........................................................................................................18
9.2 Hub Class Commands .............................................................................................................18
14.1 Absolute Maximum Ratings ...................................................................................................23
14.2 Operating Conditions .............................................................................................................23
14.3 DC Electrical Characteristics .................................................................................................23
TABLE OF CONTENTS
CY7C65640
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