VSC8122-FEC 查看數據表（PDF） - Vitesse Semiconductor

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VSC8122-FEC

Multi-Rate SONET/SDH FEC Clock and Data Recovery IC

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Multi-Rate SONET/SDH FEC

Clock and Data Recovery IC

Data Sheet

VSC8122-FEC

Figure 5: High-Speed Clock and Data Outputs

80%

DO

20%

tPD

tr,tf

80%

CO

20%

tr

tf

Table 4: High-Speed Inputs and Outputs

Parameters

Description

Min Typ Max Units

Conditions

∆VOD

∆VOC

VCMO

VDIFF

RIN

Data output voltage swing

600 900 1000 mV

Clock output voltage swing

400 700 1000 mV

Common-mode range (DO/CO)

2.6

—

3.2

V

Serial input absolute voltage, single-ended

peak-to-peak swing (VIH-VIL) for DI +/-

250

Input resistance between DI+ and VTERM or

DI- and VTERM

43

— 1200 mV AC-coupled

—

58

Ω

Table 5: PLL Parameters

Parameters

Description

REF_CLK duty cycle

REF_CLK frequency range

VIH

REF_CLK input HIGH voltage

VIL

REF_CLK input LOW voltage

Min Typ Max Units

45

—

55

%

-100 — +100 ppm

VCC-

—

1.165

VCC-

0.7

V

VCC-

2.0

—

VCC-

1.475

V

Conditions

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

G52300-0, Rev 4.1

03/01/01

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