Model 635
LVPECL or LVDS CLOCK OSCILLATOR
FEATURES
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Standard 7.5x5.0mm Surface Mount Footprint
Differential LVPECL or LVDS Output
Fundamental or Overtone Crystal
Low Phase Jitter
Frequency Range 19.44 – 250 MHz
Frequency Stability, ±50 ppm Standard
(±20 ppm, ±25 ppm and ±100 ppm available)
+2.5Vdc or +3.3Vdc Operation
Operating Temperature to –40°C to +85°C
Output Enable Standard
Tape & Reel Packaging
RoHS/Green Compliant (6/6)
DESCRIPTION
The Model 635 is a ceramic packaged Clock
oscillator offering reduced size and enhanced
stability. The small size means it is perfect for
any application. The enhanced stability means it
is the perfect choice for today’s communications
applications that require tight frequency control.
ORDERING INFORMATION
635
OUTPUT TYPE
P = PECL,
Pin 1 Enable Pin 2 N.C. (standard)
L = LVDS,
Pin 1 Enable Pin 2 N.C. (standard)
E = PECL,
Pin 2 Enable Pin 1 N.C.
V = LVDS,
Pin 2 Enable Pin 1 N.C.
M
FREQUENCY IN MHz
M - indicates MHz and decimal point.
Frequency is recorded with minimum 4
significant digits to the right of the "M".
FREQUENCY STABILITY
6
5
3
2
=
=
=
=
±
±
±
±
20 ppm *
25 ppm
50 ppm (standard)
100 ppm
(over -40°C to 85°C only)
SUPPLY VOLTAGE
2 = 2.5 Vdc
3 = 3.3 Vdc
OPERATING TEMPERATURE RANGE
C = -20°C to +70°C (standard)
I = -40°C to +85°C
* - Not available with 'I' temperature range. Consult factory for availability before ordering.
Example Part Number: 635P3C3155M5200
Document No. 008-0284-0
Page 1 - 4
Rev. D
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CTS Electronic Components, Inc.
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171 Covington Drive
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Bloomingdale, IL 60108
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www.ctscorp.com
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CTS [ CTS CORPORATION ]
