VITESSE
SEMICONDUCTOR CORPORATION
SONET/SDH 2.5Gb/s Laser Diode Driver
Preliminary Data Sheet
VSC7927
SOURCE
SOURCE
Figure 3: Single-Ended AC-Coupled
0.1µf
DIN
(CLK)
X
DINTERM
X
(CLKTERM)
0.1µf
NDIN
(NCLK)
X
GND
0.1µf
GND
GND
50
4.0K
-2.0V
50
6.4K
VSS
Figure 4: Differential AC-Coupled
0.1µf
0.1µf
0.1µf
GND
DIN
(CLK)
X
DINTERM
(CLKTERM)
X
NDIN
(NCLK)
X
GND
50
4.0K
-2.0V
50
6.4K
VSS
SOURCE
Figure 5: Differential DC-Coupled
DIN
(CLK)
X
GND
DINTERM
50
(CLKTERM)
X
NDIN
50
(NCLK)
X
4.0K
-2.0V
6.4K
-2.0V
VSS
Page 6
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800) VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52201-0, Rev 3.0
04/05/01/01