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Vitesse Semiconductor - 2.488Gb/s SONET / SDH 16:1 Mux

Numéro de référence VSC8161
Description 2.488Gb/s SONET / SDH 16:1 Mux
Fabricant Vitesse Semiconductor 
Logo Vitesse Semiconductor 





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VSC8161 fiche technique
VITESSE
SEMICONDUCTOR CORPORATION
Advance Product Information
VSC8161
2.488Gb/s SONET / SDH
16:1 Mux with Clock Generator and Laser Driver
Features
• 16:1 Multiplexer Integrated with Clock
Multiplier and Laser Driver
• Monolithic Phase Locked Loop
• Laser Driver Provides up to 110 mA Current
• Differential 16-bit Parallel Data
• 100 pin 14x14 Plastic Quad Flat Package
• Jitter Generation Meets SONET OC-48 and
SDH STM-16 Requirements
• Companion to the VSC8162 1:16 Demulti-
plexer with Clock Recovery
• Supports Parity Checking at the 16-bit
Parallel Interface
General Description
The VSC8161 combines a Laser Driver and a clock multiplier with a 16:1 multiplexer to provide a single-
chip solution. The 16-bit data word is latched by an internal version of the reference clock, and is bit-multi-
plexed up to 2.488GHz. The on-chip PLL generates the internal 2.488GHz clock, which remains locked to the
155.52 MHz reference clock. The on-chip laser driver provides up to 60 mA modulation current and 50 mA bias
current.
VSC8161 Functional Block Diagram
D0+
D0-
D15+
D15-
PARITY+
PARITY-
CLK16+
CLK16-
REFCK+
REFCK-
Output
Retime
2.5GHz
PLL
Parity
Register
Divide
by 16
DINVERT
VIP
VIB
IOUT+
IOUT-
MIB
MIP
DINVALID+
DINVALID-
G52208-0, Rev.2.1
8/28/98
© VITESSE SEMICONDUCTOR CORPORATION
741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896
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