CY7C65640A-LFXC Cypress Semiconductor Corp, CY7C65640A-LFXC Datasheet - Page 21

• Manufacturer Part Number: CY7C65640A-LFXC
• Description: IC USB HUB CONTROLLER HS 56VQFN
• Manufacturer: Cypress Semiconductor Corp
• Series: TetraHub™r

Specifications of CY7C65640A-LFXC

• Controller Type: USB Hub
• Interface: SPI Serial
• Voltage - Supply: 3.15 V ~ 3.45 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-VQFN Exposed Pad, 56-HVQFN, 56-SQFN, 56-DHVQFN
• Current - Supply: 260mA
• 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: Lead free / RoHS Compliant
• For Use With: CY4602 - KIT USB 4-PORT HUB REF DESIGN
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant
• Other names: 428-1805; CY7C65640A-LFXC

Figure 10
Figure 10. Plot of the Solder Mask (White Area)
Document #: 38-08019 Rev. *J
is a plot of the solder mask pattern and
Via hole for thermally connecting the
QFN to the circuit board ground plane.
Figure 9. Cross section of the Area Underneath the QFN Package
PCB Material
Cu Fill
Figure 11
Solder Mask
displays an X-Ray image of the assembly (darker areas indicate solder).
0.013” dia
0.017” dia
Figure 11. X-Ray Image of the Assembly
This figure only shows the top three layers of the
circuit board: Top Solder, PCB Dielectric, and
the Ground Plane.
Cu Fill
PCB Material
CY7C65640A
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