ICS932S203 查看數據表（PDF） - Integrated Circuit Systems

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ICS932S203

Frequency Generator with 133MHz Differential CPU Clocks

Integrated Circuit Systems 

ICS932S203

Frequency Select Table

FS2 FS1

1

0

1

1

0

0

0

1

mid 0

mid 1

CPU

100

3V66 (1:0)

66Buff (2:0) /

3V66 (4:2)

66 In /

3V66_5

66.6 66.6 In path 66.6 IN

PCI

REF

66.6 in/2 14.318

133.3

100

133.3

Hi-Z

66.6

66.6

66.6

Hi-Z

66.6 In path

66.6

66.6

Hi-Z

66.6 IN 66.6 in/2 14.318

66.6

33.3 14.318

66.6

33.3 14.318

Hi-Z

Hi-Z

Hi-Z

Tclk/2 Tclk/4

Tclk/4

Tclk/4 Tclk/8 Tclk

USB,

DOT

48

48

48

48

Hi-Z

Tclk/2

note

Buffer

mode 66

Buffer

mode 66

Driven 66

Driven 66

Tri-state

outputs

Tclk is at

X1 input

Host Swing Select Functions

MULTISEL0

Board Target

Trace/Term Z

0

50 ohms

1

50 ohms

Reference R,

Iref =

VDD/(3*Rr)

Rr = 221 1%,

Iref = 5.00mA

Rr = 475 1%,

Iref = 2.32mA

Output

Current

Voh @ Z

Ioh = 4* I REF 1.0V @ 50

Ioh = 6* I REF 0.7V @ 50

0601E—12/22/04

3

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