FS6286-02 Просмотр технического описания (PDF) - AMI Semiconductor
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FS6286-02 Datasheet PDF : 1 Pages
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AMERICAN MICROSYSTEMS, INC
FS6286-02
Dual PLL Clock Generator IC
1.0 Features
• Dual phase-locked loop (PLL) device with three out-
put clock frequencies
• 3.3V supply voltage
• Small circuit board footprint (8-pin 0.150″ SOIC)
• OE pin enables/disables CLKA output
• Custom frequency selections available - contact your
local AMI Sales Representative for more information
2.0 Description
The FS6286 is a monolithic CMOS clock generator IC
designed to minimize cost and component count in digital
video/audio systems.
All frequencies are ratiometrically derived from the crystal
oscillator 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.
Figure 1: Pin Configuration
OE 1
XOUT 2
XIN 3
VDD 4
8 CLKA
7 CLKB
6 VSS
5 CLKC
Table 1: Crystal / Output Frequencies
DEVICE
FS6286-02
Crystal
(MHz)
18.432
CLKA
(MHz)
48.000
(USB)
CLKB **
(MHz)
18.432
(Crystal)
CLKC **
(MHz)
33.333
(PCI)
** - CLKB and CLKC ARE ALWAYS ENABLED (NOT AFFECTED BY OE)
NOTE: Contact AMI for custom PLL frequencies, OE, and LAT options
8-pin (0.150″) SOIC
Figure 2: Block Diagram
XIN
XOUT
CRYSTAL
OSC.
OE
CLKA
PLL
DIVIDER
ARRAY
CLKB
PLL
v
CLKC
FS6286
This document contains information on a product under development. American Microsystems, Inc. reserves the right to change or discontinue this product without notice.
ISO9001
3.13.01
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