© VITESSE SEMICONDUCTOR CORPORATION

Page 7

9/29/00

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

VITESSE

SEMICONDUCTOR CORPORATION

Target Specification

VSC8115

STS-12/STS-3 Multi Rate

Clock and Data Recovery Unit

G52272-0, Rev. 1.1

DC Characteristics

Table 4: LVPECL Single-ended Inputs and Outputs

Parameters

Description

Min

Typ

Max

Units

Conditions

Input HIGH voltage

—

V

Guaranteed Input HIGH

Voltage

Input LOW voltage

—

V

Guaranteed Input LOW

Voltage

Input HIGH current

-0.5

—

10

µA

Input LOW current

-0.5

—

10

µA

Output LOW voltage

—

V

50

Ω to (VDD - 2V)

Output HIGH voltage

—

V

50

Ω to (VDD - 2V)

Table 5: LVPECL Differential Inputs

Parameters

Description

Min

Typ

Max

Units

Conditions

Input HIGH

voltage

—

V

Guaranteed Input

HIGH Voltage

Input LOW

voltage

—

V

Guaranteed Input

LOW Voltage

Differential

Input Voltage

250

—

—

mV

—

Input HIGH

current

-0.5

—

10

µA

Input LOW

current

-0.5

—

10

µA