VSC834 查看數據表（PDF） - Vitesse Semiconductor

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VSC834

2.5Gb/s 17x17 Crosspoint Switch with Input Signal Activity (ISA) Monitoring

Vitesse Semiconductor 

VITESSE

SEMICONDUCTOR CORPORATION

Datasheet

VSC834

2.5Gb/s 17x17 Crosspoint Switch

with Input Signal Activity (ISA) Monitoring

AC Characteristics

Table 3: Data Path

Parameter

Description

FRATE

TISKW

TOSKW

tR, tF

tR, tF

tjP

Data rate

Input channel delay skew (1)

Output channel delay skew (2)

High-speed input rise/fall times, 20% to 80% (3)

High-speed output rise/fall times, 20% to 80%

Output data eye jitter, peak-peak, 223 PRBS (4)

Min

Typ

Max

Units

-

-

2.5

Gb/s

-

300

-

ps

-

300

-

ps

-

-

150

ps

-

-

150

ps

-

-

100

ps

Note: Unless otherwise stated, all specifications are guaranteed but not tested.

Note 1: Skew between any two input channels to a given output.

Note 2: Skew between any two output channels from the same input channel.

Note 3: Required for high-speed output rise/fall spec at FRATE=2.5 Gbits/s. For lower rate signals, use 0.375/FRATE

Note 4: Broadband jitter added to a jitter-free signal; jitter is primarily in the form of ISI for random data

Figure 2: Interrupt Timing (Change in Monitor State Registers)

MONCLK

Monitor State

Monitor State Reg

INTB

CSB

RDB

ADDR[5:0]

DATA[4:0]

TsRDB

ThRDB

TtsDATA

Figure 3: Interrupt Timing (No Change in Monitor State Registers)

MONCLK

Monitor State

Monitor State Reg

INTB

G52247-0, Rev 4.2

02/09/01

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