VSC851 查看數據表（PDF） - Vitesse Semiconductor

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VSC851

1.6 Gb/s 32 X 32 Crosspoint Switch

Vitesse Semiconductor 

Data Sheet

VSC851

VITESSE

SEMICONDUCTOR CORPORATION

Figure 3: Broadcast and FlowThru Timing

1.6 Gb/s 32 X 32

Crosspoint Switch

FLOWTHRU

BROADCAST

LSTROBE

GSTROBE

TFLSSU

TFLSH

TBLSSU

TBLSH

TGLSU

DC Characteristics (Over recommended operating conditions. ECL Output load 50W to VTT.)

Parameters

VODIF

VOCM

VIDIF

VICM

IIHE

IILE

VIHT

VILT

IIHT

IILT

IVTTL

IVTT

PD

Description

Differential ECL Output Voltage

Common Mode ECL Output Voltage

Differential ECL Input Voltage

Common Mode ECL Input Voltage

Input HIGH ECL Current

Input LOW ECL Current

Input HIGH voltage (TTL)

Input LOW voltage (TTL)

Input HIGH current (TTL)

Input LOW current (TTL)

VTTL Supply Current

VTT Supply Current

Power dissipation

Min Typ Max Units

Conditions

600

—

1100 mV 50Ω to VTT

-1.5

—

-1.0

V 50Ω to VTT

200

— 1200 mV

-1.5

—

-0.5

V

—

—

+200

µA VIN = -0.7V

-50

—

—

µA VIN = -2.0V

2.0

—

4.3

V

0

—

—

50

-500

—

—

—

0.8

V

—

µA 2.0V < VIN < 4.3V

—

µA -0.5V < VIN < 0.8V

20

mA

—

— 3600 mA Outputs open

—

— 7500 mW

G52167-0 Rev. 4.1

10/21/99

© VITESSE SEMICONDUCTOR CORPORATION

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

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