CY28SRC02 Datasheet, PDF (1/9 Pages) SpectraLinear Inc – PCI-Express Clock Generator

Features
• Two 100-MHz differential SRC clocks
• Low-voltage frequency select input
• I²C support with readback capabilities
Block Diagram
XIN
XOUT
XTAL
OSC
PLL Ref Freq
PLL
Divider
Network
IREF
SDATA
SCLK
I²C
Logic
PRELIMINARY
CY28SRC02
PCI-Express Clock Generator
• Ideal Lexmark Spread Spectrum profile for maximum
electromagnetic interference (EMI) reduction
• 3.3V power supply
• 20-pin TSSOP package
Pin Configuration
VDD_SRC
SRCT[2:1],SRCC[2:1]
VSS_SRC
VDD_SRC
SRCT2
SRCC2
SRCT1
SRCC1
VSS_SRC
VDD_SRC
VSS_SRC
IREF
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
20 TSSOP
VDD_SRC
SDATA
SCLK
NC
XOUT
XIN
VDD_REF
VSS_REF
VDDA
VSSA
Rev 1.0, November 20, 2006
2200 Laurelwood Road, Santa Clara, CA 95054
Tel:[phone] Fax:[phone]
Page 1 of 9
www.SpectraLinear.com