cy28548 SpectraLinear Inc, cy28548 Datasheet - Page 29

• Manufacturer Part Number: cy28548
• Description: Clock Generator For Intel Crestline Chipset
• Manufacturer: SpectraLinear Inc

Rev 1.5 September 16, 2008
Document History Page
Document Title: CY28548 Clock Generator for Intel
REV.
1.0
1.1
1.2
1.3
1.4
1.5
Issue Date
1/01/07
2/10/07
2/27/07
7/10/07
9/18/07
9/16/08
Change
Orig. of
JMA
JMA
JMA
JMA
SLI
SLI
New data sheet
Changed all AC parameters to meet CK505
1. Changed Rev. ID bit B7[7:4] from 0100 to 0101
2. Changed Byte count to 19
3. Added additional single-ended drive strength setting in Byte 17
4. Added additional range boost for single-ended clocks for fine tuning the single-ended
clocks in Byte 18
Removed 64-pin QFN option
Updated AC Electrical Specification table
1. Added VDD_IO to support 1.05V.
1. Modified Table3 PLL3/SE configuration table
2. Added 8-step drive strength control in Features
3. Changed Product Flow to 0° to 70°C
4. Added Lead free and RoHS compliant note
®
Crestline Chipset
Description of Change
CY28548
Page 29 of 30