VSC8131 查看數據表（PDF） - Vitesse Semiconductor

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VSC8131

2.488 Gbit/sec 32:1 SONET/SDH Mux with Clock Generator

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

2.488 Gbit/sec

32:1 SONET/SDH Mux with Clock Generator

Preliminary Datasheet

VSC8131

Clock Multiplier Unit

Table 3: VSC8131 CMU Performance

Parameters

Description

Min Max Units

Conditions

RMS, tested to SONET

TJ

Output Clock and Data Jitter

—

4

ps. specification with 2ps RMS jitter

on REFCLK

LBW

PeakJ

PLL Loop Bandwidth

Jitter Peaking

Tuning Range

2.0

MHz -3dB point of jitter transfer curve

0.1

dB REFCLK to DO

-100

+100

ppm

Absolute Maximum Ratings (1)

Power Supply Voltage, (VCC)....................................................................................................... -0.5V to +3.8V

DC Input Voltage (Differential inputs) .................................................................................-0.5V to VCC +0.5V

DC Input Voltage (TTL inputs) .................................................................................................... -0.5V to +5.5V

DC Output Voltage (TTL Outputs)...................................................................................... -0.5V to VCC + 0.5V

Output Current (TTL Outputs) .............................................................................................................. +/-50mA

Output Current (Differential Outputs)....................................................................................................+/-50mA

Case Temperature Under Bias ...................................................................................................... -55o to +125oC

Recommended Operating Conditions

Power Supply Voltage, (VCC)..............................................................................................................+3.3V+5%

Operating Temperature Range ...........................................................0oC Ambient to +85oC Case Temperature

Notes:

(1) CAUTION: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without causing per-

manent damage. Functionality at or above the values listed is not implied. Exposure to these values for extended periods may

affect device reliability.

ESD Ratings

Proper ESD procedures should be used when handling this product. The VSC8131 is rated to 1500V based on

the human body model.

Page 8

© VITESSE SEMICONDUCTOR CORPORATION

741 Calle Plano, Camarillo, CA 93012 • 805/388-3700 • FAX: 805/987-5896

G52249-0, Rev. 3.0

11/9/99

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