CY7C65640-LFC Cypress Semiconductor Corp, CY7C65640-LFC Datasheet - Page 27

• 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

Document History Page
Document #: 38-08019 Rev. *E
Document Title: CY7C65640 TetraHub™ High-Speed USB Hub Controller
Document Number: 38-08019
REV.
*A
*B
*C
*D
*E
**
ECN NO.
113506
116812
118518
121793
125275
234272
04/25/02
08/15/02
10/31/02
12/09/02
04/02/03
see ECN
Issue
Date
Change
Orig. of
MON
MON
MON
MON
MON
BHA
New Data Sheet (preliminary)
Supply voltage range changed from 3.3V–3.6V to 3.15V–3.45
Added EPROM types that can be used with HX2 (p. 14)
Added description of bit 7 of Byte 12 (Illegal Hub Descriptor) D2 Load (p. 15)
Added high speed sensitivity level of receiver (p. 20)
Added QFN package design notes (section 16.1)
Fixed the Spec field in the Default Device Descriptor section 7.1
Fixed Interface Protocol field of the interface descriptor, section 7.3
Fixed Device Protocol field of the interface descriptor, section 7.7
Modified table 9-2, section 9.2
Added table 9-4, 9-5, section 9.2
Added table 4-1, 4-2, section 4.8
Added information on bits in wHubCharacterestics, section 7.8
Modified figure 16-1 in QFN package design notes, section 16.1
Included the eye diagram, section 14.4.2
Preliminary to Final
Fixed the SPI clock Frequency to 250 KHz, section 14.4.1
Added information on the configuration of unused port pins, section 6.0
Added statement that no special power-up procedure is required, section 6.0
Changed the name of Bit 3 of Byte 12 of EEPROM for a 0xD2 load (section 8.2)
from BusPowered to Reserved.
Removed all indication to the misconception that the hub can support bus power.
Added information as to which nibble of byte 8 in the EEPROM defines the active
ports and which nibble defines the removable ports, section 8.2.
Added further information on the BUSPOWER pin (pin 26) functionality in section
6.0.
Added part number for the lead free package (CY7C65640-LFXC), section 15.0
Changed the name of Bit 6 of Byte 12 of EEPROM for a 0xD2 load from
CompoundDevice to Unused, section 8.2.
Description of Change
CY7C65640
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