ICS810-06 데이터 시트보기 (PDF) - Integrated Circuit Systems
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ICS810-06 Datasheet PDF : 14 Pages
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Integrated
Circuit
Systems, Inc.
ICS81006
VCXO-TO-6 LVCMOS OUTPUTS
GENERAL DESCRIPTION
The ICS81006 is a high performance, low
ICS
jitter/low phase noise VCXO and is a
HiPerClockS™ member of the HiPerClockS™ family of high
performance clock solutions from ICS. The
ICS81006 works in conjunction with a
pullable crystal to generate an output clock over the
range of 12MHz - 40MHz and has 6 LVCMOS outputs,
effectively integrating a fanout buffer function.
The frequency of the VCXO is adjusted by the VC control
voltage input. The output range is ±100ppm around the
nominal crystal frequency. The VC control voltage range
is 0 - V . The device is packaged in a small 4mm x 4mm
DD
VFQFN package and is ideal for use on space
constrained boards typically encountered in ADSL/
VDSL applications.
FEATURES
• Six LVCMOS/LVTTL outputs, 20Ω nominal
output impedance
• Output Q5 can be selected for ÷1 or ÷2 frequency relative
to the crystal frequency
• Output frequency range: 12MHz to 40MHz
• Crystal pull range: ± 90ppm (typical)
• Synchronous output enable places outputs in High-Z state
• On-chip filter on VIN to suppress noise modulation of VCXO
• VDD/VDDO combinations
3.3V/3.3V
3.3V/2.5V
3.3V/1.8V
2.5V/2.5V
2.5V/1.8V
• 4mm x 4mm 20 Lead VFQFN package is ideal for space
constrained designs
• 0°C to 70°C ambient operating temperature
• Available in both standard and lead-free RoHS compliant
packages
BLOCK DIAGRAM
OE0 (Pullup)
VC
LP Filter
SYNC
XTAL_IN
XTAL_OUT
VCXO
DIV_SEL_Q5 (Pulldown)
0: ÷1
1: ÷2
PIN ASSIGNMENT
Q0
20 19 18 17 16
XTAL_IN 1
15 GND
XTAL_OUT 2
14 Q2
Q1
VDD 3
1 3 VDDO
VC 4
12 Q3
Q2
DIV_SEL_Q5 5
11 GND
6 7 8 9 10
Q3
ICS81006
20-Lead VFQFN
Q4
4mm x 4mm x 0.95 package body
K Package
Top View
Q5
OE1 (Pullup)
SYNC
81006AK
www.icst.com/products/hiperclocks.html
1
REV. A JANUARY 4, 2006
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