11640-842 查看數據表（PDF） - AMI Semiconductor
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11640-842 Datasheet PDF : 6 Pages
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FS6183-04
1 PLL Clock Generator IC
1.0 Features
• Three output clock frequencies
• Output enable function
• Crystal oscillator tunable with external varactor
• 3.3V supply voltage (contact factory for 5V)
• Low phase noise, low jitter
• Small circuit board footprint (8-pin 0.150″ SOIC)
• Special high transconductance crystal oscillator suit-
able for external varactor VCXO function if desired
• Custom frequency selections available - contact your
local AMI Sales Representative for more information
Figure 1: Pin Configuration
CLKA 1
GND 2
XIN 3
XOUT 4
8 OE
7 VDD
6 CLKC
5 CLKB
8-pin (0.150″) SOIC
2.0 Description
The FS6183 is a monolithic CMOS clock generator IC
designed to minimize cost and component count in digital
video/audio systems.
A high-resolution phase-locked loop generates three out-
put clocks (CLKA, CLKB, & CLKC) through an array of
post-dividers. All frequencies are ratiometrically derived
from the crystal frequency. The locking of all the output
frequencies together can eliminate unpredictable artifacts
in video systems.
Table 1: Crystal / Output Frequencies
DEVICE
fXIN
(MHz)
CLKA
(MHz)
FS6183-04 14.31818
24.576
-0.66ppm
CLKB
(MHz)
24.576
-0.66ppm
CLKC
(MHz)
24.576
-0.66ppm
NOTE: Contact AMI for custom PLL frequencies and 5 volt operation
Figure 2: Block Diagram
XIN
XOUT
CRYSTAL
OSC.
OE
CLKA
PLL
DIVIDER
ARRAY
CLKB
CLKC
FS6183
2.27.02
ISO9001
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