CY7C65640A-LFC Cypress Semiconductor Corp, CY7C65640A-LFC Datasheet - Page 2

• Manufacturer Part Number: CY7C65640A-LFC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C65640A-LFC

• Operating Supply Voltage (typ): 3.3V
• Operating Supply Voltage (min): 3.15V
• Operating Supply Voltage (max): 3.45V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 56
• Lead Free Status / RoHS Status: Not Compliant

Contents
Features .................................................................................. 1
Logic Block Diagram ............................................................. 1
Contents ................................................................................. 2
Introduction ............................................................................ 3
Applications ........................................................................... 3
Functional Overview ............................................................. 4
Pin Configuration .................................................................. 6
Default Descriptors ............................................................... 9
Configuration Options ........................................................ 12
Document #: 38-08019 Rev. *M
TetraHub Architecture ...................................................... 3
USB Serial Interface Engine (SIE) ................................... 3
Hub Controller .................................................................. 3
Hub Repeater ................................................................... 3
Transaction Translator ..................................................... 3
System Initialization .......................................................... 4
Enumeration ..................................................................... 4
Multiple Transaction Translator Support .......................... 4
Downstream Ports ............................................................ 4
Upstream Port .................................................................. 4
Power Switching ............................................................... 4
Overcurrent Detection ...................................................... 5
Port Indicators .................................................................. 5
Device Descriptor ............................................................. 9
Supported USB Requests ................................................... 13
Upstream USB Connection ................................................. 15
Downstream USB Connections .......................................... 16
LED Connections ................................................................. 16
Sample Schematic ............................................................... 17
Maximum Ratings ................................................................ 18
Operating Conditions .......................................................... 18
DC Electrical Characteristics ............................................. 18
AC Electrical Characteristics ............................................. 19
Ordering Information ........................................................... 20
Package Diagram ................................................................. 20
Document History Page ...................................................... 23
Sales, Solutions, and Legal Information ........................... 24
Default – 0xD0 Load ....................................................... 12
Configured – 0xD2 Load ................................................ 12
Device Class Commands ............................................... 13
Hub Class Commands ................................................... 14
Quad Flat Package No Leads (QFN) Package
Design Notes .................................................................. 21
Worldwide Sales and Design Support ............................ 24
Products ......................................................................... 24
CY7C65640A
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