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參數資料
| 型號： | FS6209-01 |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | CAP 0.022UF 25V 10% X7R SMD-0603 TR-7-PA 5K/REEL |
| 中文描述： | 雙鎖相環壓控時鐘發生器IC |
| 文件頁數： | 1/6頁 |
| 文件大小： | 113K |
| 代理商： | FS6209-01 |
XT
February 1999
This document contains information on a preproduction product. Specifications and information herein are subject to change without notice.
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1.0 Features
Dual phase-locked loop (PLL) device two output
clock frequencies
On-chip tunable voltage-controlled crystal oscillator
(VCXO) allows precise system frequency tuning
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
CLKB
CLKA
XOUT
F
8-pin (0.150
″
) SOIC
2.0 Description
The FS6209 is a monolithic CMOS clock generator IC
designed to minimize cost and component count in digital
video/audio systems.
At the core of the FS6209 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.
Two high-resolution phase-locked loops generate two
output clocks (CLKA and CLKB) through an array of post-
dividers. All frequencies are ratiometrically derived from
the VCXO frequency. The locking of all the output fre-
quencies together can eliminate unpredictable artifacts in
video systems and reduce electromagnetic interference
(EMI) due to frequency harmonic stacking.
Table 1: Crystal / Output Frequencies
DEVICE
f
XIN
(MHz)
CLKA (MHz)
CLKB (MHz)
FS6209-01
13.5
54
22.5792
(+1.12ppm)
NOTE: Contact AMI for custom PLL frequencies
Figure 2: Block Diagram
VCXO
FS6209
PLL
XOUT
XIN
CLKB
CLKA
XTUNE
DIVIDER
ARRAY
PLL
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