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参数资料
| 型号： | M670-693.483 |
| 元件分类： | XO, clock |
| 英文描述： | VOLTAGE CONTROLLED CLOCK SAW OSCILLATOR, 693.483 MHz |
| 文件页数： | 1/6页 |
| 文件大小： | 359K |
| 代理商： | M670-693.483 |
M670 Datasheet Rev 12.1
Revised 09Apr2003
Integ r ated Circuit Systems , Inc. ● Comm unications Modules ● www.icst.com ● tel (508) 852-5400
M670
VOLTAGE CONTROLLED SAW OSCILLATOR
Product Data Sheet
GENERAL DESCRIPTION
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).
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
PIN ASSIGNMENT (5 x 7mm SMT)
Figure 1: Pin Assignment
BLOCK DIAGRAM
Figure 2: Block Diagram
Sample of Available Output Frequencies
VCSO Center Frequency1 (MHz)
Note 1: Specify VCSO center frequency at time of order
Applications
622.0800
SONET/SDH
625.0000
Gigabit Ethernet
644.5313
Gigabit Ethernet FEC
669.3265
SONET/SDH FEC
CLK_EN
VIN
FOUT
nFOUT
SAW Delay Line
Phase
Shifter
M670
M670 Voltage Controlled SAW Oscillator
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