VSC6250 查看數據表（PDF） - Vitesse Semiconductor

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VSC6250

1Gb/s 16-Channel Drive-Side Deskew IC

Vitesse Semiconductor 

Data Sheet

VSC6250

VITESSE

SEMICONDUCTOR CORPORATION

1Gb/s 16-Channel

Drive-Side Deskew IC

AC Timing Characteristics

Table 2: AC Timing Characteristics

Parameter

tPDR(MIN), tPDF(MIN)

tPDR(MAX), tPDF(MAX)

tPD(SPAN)

tRES

DNL

tPWI

tPWO

FRCK

DTDD

DTDT

PSRR

tR/tF

tREFIRE

JO

Description

Propagation Delay, Minimum Delay

Propagation Delay, Maximum Delay

Propagation Delay, Span

Delay Element Resolution

Delay Differential Nonlinearity

Input Pulse Width

Output Pulse Width

Reference Clock Frequency

Variation in Delay vs. Duty Cycle

Variation in Delay vs Temperature

Power Supply Rejection Ratio(1)

Output Rise Fall Times (20% to 80%)

Adjacent Edge Spacing

Output Jitter

Min

Typ Max

Units

4.1

5

6.5

ns

9.9

11.6

13.5

ns

5.8

—

7

ns

—

8

20

ps

-2

—

+2

LSB

0.75

—

—

ns

0.5

—

—

ns

250

—

MHz

-50

—

+50

ps

—

2

—

ps/C°

—

—

230 ps/100mV

—

300

—

ps

2

—

—

ns

—

3

—

ps rms

NOTE: (1) Change in range of maximum delay.

.

Figure 7: AC Timing Diagram

DINx

DOUTx

tPDR(MAX)

tPDR(MIN)

tPDF(MAX)

tPDF(MIN)

tPDR(SPAN)

tPWO

tPDF(SPAN)

G52197-0, Rev. 4.0

© VITESSE SEMICONDUCTOR CORPORATION

8/19/00

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

Page 7

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