VSC8161 데이터 시트보기 (PDF) - Vitesse Semiconductor

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VSC8161

2.488Gb/s SONET / SDH 16:1 Mux with Clock Generator and Laser Driver

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

2.488Gb/s SONET / SDH

16:1 Mux with Clock Generator and Laser Driver

Advance Product Information

VSC8161

VSC8161 Electrical Characteristics

Table 1: Multiplexer AC Characteristics (Over recommended operating range)

Parameter

tD

tDSU

tDH

tDC

tr, tf

tr, tf

tr, tf

tDINV

tDV

Description

CLK16 period

Parallel data set-up time (wrt CLK16 falling edge)

Data hold time (wrt CLK16 falling edge)

CLK16 duty cycle

REFCK+/- rise and fall times (10%-90%)

D(0..15)+/- rise and fall times (10%-90%)

CLK16+/- rise and fall times (10%-90%)

Duration of Data Invalid Pulse

Parallel Data to DINVALID

Min Typ Max Units

-

6.4

-

ns

1.7

-

-

ns

0.3

-

-

ns

45

-

55

%

-

-

1.5

ns

-

-

2.0

ns

-

0.7

1

ns

-

6.4

-

ns

-

3tD +

0.3ns

-

ns

Figure 5: VSC8161 Parallel Interface AC Characteristics

CLK16+

Parallel data clock output

D(0...15),PARITY

Parallel data inputs

IOUT+/-

High speed differential serial data output

NOTE:

=Don’t care

tDSU

tDH

VALID DATA (1)

tD

VALID DATA (2)

D0 D1 D2 D3 D4 D5 D6 D7 D8 D9 D10 D11 D12 D13 D14 D15

Serialized Data

tD

Figure 6: VSC8161 Parity Interface

CLK16+

Parallel data clock output

DINVALID+

Data Valid Output

tD

tDV

tD

Page 6

© VITESSE SEMICONDUCTOR CORPORATION

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

G52208-0, Rev.2.1

8/28/98

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