VSC7185 Ver la hoja de datos (PDF) - Vitesse Semiconductor

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componentes Descripción

Fabricante

VSC7185

Quad Transceiver for Gigabit Ethernet and Fibre Channel

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Preliminary Data Sheet

VSC7185

Quad Transceiver for

Gigabit Ethernet and Fibre Channel

RSYN=0:

RCi0

Figure 4: Receive Timing Waveforms

RCi1

RSYN=1:

RCi0

RXS RXH

RXS RXH

RCi1

RXi(0:4)

(SYNi)

SIi+/-

RXCV

RXCT

A[5:9]

B[0:4]

10-BIT CHAR C

RXi0 RXi1 RXi2

10 bit times

RXLAT

RXCV

B[5:9]

RXCT

C[0:4]

Table 3: Receive AC Characteristics

Parameters

f_lock

B_sync

TRXS

TRXH

TRXCT

TRXCV

TRXLAT

Description

Frequency Lock Time from

Power On

Bit Sync Time

RXi(0:4) Setup Time (Data

Valid Before Clock)

RXi(0:4) Hold Time

(Data Valid After Clock)

RXi(0:4) and RCi(0:1)

Transition Range

RX(0:4) and RCi(0:1) Valid

Time

RC0 to RC1 Skew

RC0 or RC1 Duty Cycle

Receiver Latency

Min.

—

—

1.50

Max.

500

2500

—

Units

Conditions

µs

bits

bits RSYN=0

1.50

—

bits RSYN-0

—

1.25

bits RSYN=1

3.75

-0.5

40

18.5 bits + 2 ns

—

+0.5

60

19.5 bits + 5 ns

bits RSYN=1

ns

%

—

G52324-0, Rev. 3.0

8/28/00

© VITESSE SEMICONDUCTOR CORPORATION

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

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