VSC9142 查看數據表（PDF） - Vitesse Semiconductor

零件编号

产品描述 (功能)

生产厂家

VSC9142

STS-48c Packet/ATM Over SONET/SDH Device With Integrated Mux/Demux and Clock and Data Recovery

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

STS-48c Packet/ATM Over SONET/SDH Device

With Integrated Mux/Demux and Clock and Data Recovery

Preliminary Datasheet

VSC9142

AC Characteristics

Figure 1: Tx Serial Line Interface Timing Dependencies

TLCLKSER+

TLOUTSER+/-

TP,TLOUTSER

Table 1: Tx Serial Line Interface

Symbol

Description

Min

Max

fTLCLKSER

TLCLKSER+/- clock frequency (nominal)

-

2488

Tdc, TLCLKSER

TLCLKSER+/- duty cycle

40

60

Tr/f, TLCLKSER TLCLKSER+/- rise/fall time (20-80%)

-

120

Tp, TLOUTSER

TLCLKSER+ rising edge to TLOUTSER+/- valid

-75

+75

TJS

Output Data Jitter RMS

-

4

TJS, Peak

Output Data Jitter Peak-to-Peak

-

40

CMU Reference Clock Frequencies are 78 MHz, 155 MHz, 311 Mhz, and 622 MHz

Jitter tested to SONET specifications with 2ps RMS jitter on the Reference Clock

Figure 2: Rx Parallel Line Interface Timing Dependencies

Unit

MHz

%

ps

ps

ps

ps

RLCLK4+

RLIN4[3..0]+/-

RLPRTY4+/-

TSU,RLIN4

TH,RLIN4

Table 2: Rx Parallel Line Interface

Symbol

Description

fRLCLK4

Tdc, RLCLK4

RLCLK4+/- clock frequency (nominal)

RLCLK4+/- duty cycle

Min Max Unit

-

622.08 MHz

45

55

%

Page 12

 VITESSE SEMICONDUCTOR CORPORATION

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

G52319-0, Rev. 3.1

6/12/00

Share Link: