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PDF M670 Data sheet ( Hoja de datos )
| Número de pieza | M670 | |
| Descripción | VOLTAGE CONTROLLED SAW OSCILLATOR | |
| Fabricantes | Integrated Circuit Systems | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de M670 (archivo pdf) en la parte inferior de esta página. Total 6 Páginas | ||
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Integrated
Circuit
Systems, Inc.
www.DataSheet4U.com
GENERAL DESCRIPTION
Product Data Sheet
M670
VOLTAGE CONTROLLED SAW OSCILLATOR
PIN ASSIGNMENT (5 x 7mm SMT)
The M670 is a VCSO (Voltage Controlled SAW
Oscillator) frequency source for low-jitter
clock generation. Its integrated SAW
(surface acoustic wave) delay line provides
low phase jitter. The M670 is available in a
range of center frequencies. Minimum
pull-range is ±50 ppm (wider pull-range available).
M670
(Top View)
The M670 is well suited for phase-locked loop
implementations, clock and data recovery circuits, and
other timing applications for the telecom and optical
fiber networking markets (e.g., OC-48, OC-192).
FEATURES
◆ VCSO center frequencies from 155 to 700 MHz
(Specify center frequency at time of order)
◆ Low phase jitter 0.19ps rms typical (50kHz-80MHz)
◆ Low phase noise -70dBc/Hz @ 1kHz offset
◆ Differential 3.3V LVPECL output
◆ Single 3.3V power supply
◆ Very small 5 x 7mm SMT (surface mount) package
Figure 1: Pin Assignment
Sample of Available Output Frequencies
VCSO Center Frequency1 (MHz)
Applications
622.0800
SONET/SDH
625.0000
Gigabit Ethernet
644.5313
Gigabit Ethernet FEC
669.3265
SONET/SDH FEC
Table 1: Sample of Available Output Frequencies
Note 1: Specify VCSO center frequency at time of order
BLOCK DIAGRAM
M670
VIN
CLK_EN
SAW Delay Line
Phase
Shifter
FOUT
nFOUT
Figure 2: Block Diagram
M670 Datasheet Rev 12.1
Revised 09Apr2003
M670 Voltage Controlled SAW Oscillator
Integrated Circuit Systems, Inc. ● Communications Modules ● www.icst.com ● tel (508) 852-5400
1 page  
Integrated
M670
Circuit
Systems, Inc.
VOLTAGE CONTROLLED SAW OSCILLATOR
www.DataSheet4U.com
Product Data Sheet
DEVICE PACKAGE - 5 x 7mm SMT (Surface Mount) Package
Mechanical Dimensions:
Dimensions are in mm;
dimensions in [ ] are in inches
Unless otherwise specified, all
dimensions are ±0.13 [0.005]
Figure 9: Device Package - 5 x 7mm SMT (Surface Mount) Package
ORDERING INFORMATION
For Output Frequency (MHz) Order Part Number
xxx.xxxx
e.g., 622.0800
M670-xxx.xxxx
M670-622.0800
Table 7: Ordering Information
Standard Output Frequencies
155.5200
622.0800
156.2500
625.0000
156.8324
627.3296
161.1328
644.5313
166.6286
666.5143
167.2820
669.1281
167.3280
669.3120
167.3316
669.3265
167.7097
670.8386
168.0400
672.1600
172.6423
690.5692
173.3708
693.4830
Table 8: Standard Output Frequencies
Consult ICS for the availability of other VCSO frequencies.
While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems (ICS)
assumes no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would
result from its use. No other circuits, patents, or licenses are implied. This product is intended for use in normal commercial
applications. Any other applications such as those requiring extended temperature range, high reliability, or other extraordinary
environmental requirements are not recommended without additional processing by ICS. ICS reserves the right to change any
circuitry or specifications without notice. ICS does not authorize or warrant any ICS product for use in life support devices or
critical medical instruments.
M670 Datasheet Rev 12.1
5 of 6
Revised 09Apr2003
Integrated Circuit Systems, Inc. ● Communications Modules ● www.icst.com ● tel (508) 852-5400
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet M670.PDF ] | |
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