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FS6128-01 Datasheet(PDF) 1 Page - List of Unclassifed Manufacturers

Part No. FS6128-01
Description  PLL Clock Generator IC with VCXO
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Maker  ETC1 [List of Unclassifed Manufacturers]
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FS6128-01 Datasheet(HTML) 1 Page - List of Unclassifed Manufacturers

   
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AMERICAN MICROSYSTEMS, INC.
April 2000
4.24.00
FS6128-01
FS6128-01
FS6128-01
FS6128-01
PLL Clock Generator IC with VCXO
PLL Clock Generator IC with VCXO
PLL Clock Generator IC with VCXO
PLL Clock Generator IC with VCXO
ISO9001
ISO9001
ISO9001
ISO9001
1.0
Features
Phase-locked loop (PLL) device synthesizes output
clock frequency from crystal oscillator or external ref-
erence clock
On-chip tunable voltage-controlled crystal oscillator
(VCXO) allows precise system frequency tuning
Typically used for generation of MPEG-2 decoder
clock
3.3V supply voltage
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
1
8
2
3
4
7
6
5
XIN
VDD
XTUNE
VSS
VSS
n/c
CLK
XOUT
8-pin (0.150
″) SOIC
2.0
Description
The FS6128 is a monolithic CMOS clock generator IC
designed to minimize cost and component count in digital
video/audio systems.
At the core of the FS6128 is circuitry that implements a
voltage-controlled crystal oscillator when an external
resonator (nominally 13.5MHz) is attached. The VCXO
allows device frequencies to be precisely adjusted for use
in systems that have frequency matching requirements,
such as digital satellite receivers.
A high-resolution phase-locked loop generates an output
clock (CLK) through a post-divider. The CLK frequency is
ratiometrically derived from the VCXO frequency. The
locking of the CLK frequency to other system reference
frequencies can eliminate unpredictable artifacts in video
systems and reduce electromagnetic interference (EMI)
due to frequency harmonic stacking.
Table 1: Crystal / Output Frequencies
DEVICE
fXIN (MHz)
CLK (MHz)
XTUNE Range
FS6128-01
13.5
27
0-2 V
NOTE: Contact AMI for custom PLL frequencies
Figure 2: Block Diagram
VCXO
FS6128
PLL
XOUT
XIN
CLK
XTUNE
DIVIDER


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