FS6205-01 データシートの表示（PDF） - AMI Semiconductor

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FS6205-01

VCXO Clock Generator IC

AMI Semiconductor 

FS6205

VCXO Clock Generator IC

1.0 Features

• On-chip tunable voltage-controlled crystal oscillator

circuitry (VCXO) allows precise system frequency

tuning (pull range typically 300ppm)

• Uses inexpensive fundamental-mode crystals

• Integrated phase-locked loops (PLL) multiply VCXO

frequency to the higher system frequencies needed

• 3.3V supply voltage available (contact factory for 5

volt versions)

• Small circuit board footprint (8-pin 0.150″ SOIC)

• Custom frequency selections available - contact your

local AMI Sales Representative for more information

Figure 1: Pin Configuration

XIN 1

VDD 2

XTUNE 3

VSS 4

8 XOUT

7 MS

6 FS

5 CLK

8-pin (0.150″) SOIC

2.0 Description

The FS6205 is a monolithic CMOS clock generator IC

designed to minimize cost and component count in digital

video/audio systems.

An on-chip voltage-controlled crystal oscillator (VCXO)

permits the reference frequency (or output frequency) to

be tuned to match other frequencies present in the sys-

tem.

Phase-locked loops are used to generate precise output /

reference frequency ratios. See Table 1 for information

on the frequency ratios programmed into each version of

the FS6205.

Table 1: Version Information

DEVICE

VDD

FREF

FS

MS

(nom) (MHz)

0

0

13.500

0

1

FS6205-01 3.3

1

0

13.5135

1

1

NOTE: Contact AMI for custom versions

CLK

(MHz)

27.000

(REF * 2)

74.175824175…

(REF * 500 / 91)

27.027

(REF * 2)

74.580835443…

(REF * 436 / 79)

Figure 2: Block Diagram

XIN

XOUT

XTUNE

VCXO

PLL A

PLL B

MUX

CLK

FS

MS

FS6205

American Microsystems, Inc. reserves the right to change the detail specifications as may be required to permit improvements in the design of its products.

ISO9001

2.28.02

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