VITESSE
SEMICONDUCTOR CORPORATION
Datasheet
2.488 Gb/s ATM/SDH/SONET STM-16/STS-48
VSC8025/VSC8026
Mux/Demux and Section Terminator IC Chipset
VSC8026 AC Timing Characteristics
Figure 15: VSC8026 Clock and Data Interface Block Diagram (Serial Receive Mode)
2.488 GHz CRU
VSC8026
PM5355/PM5312
RXSIN+
RXSIN-
RXOUTA[7:0]
RXFPOUT
D Q
D Q
D Q
D Q
D Q
D Q
RXCLKIN+
RXCLKIN-
Divide-
by-32
RXCLKOUTA
Figure 16: VSC8026 Clock and Data Interface Block Diagram (Parallel Receive Mode)
VSC8026
PM5355/PM5312
RXPIN[7:0]
RXFPIN
RXOUTA[7:0]
RXFPOUT
D Q
D Q
D Q
D Q
D Q
D Q
RXPCLKIN+
RXPCLKIN-
Divide-
by-4
RXCLKOUTA
Page 24
VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
G52182-0, Rev. 4.0
1/5/00
VITESSE [ VITESSE SEMICONDUCTOR CORPORATION ]
