Model 635
LVPECL or LVDS CLOCK OSCILLATOR
FEATURES
• 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
M
OUTPUT TYPE
FREQUENCY IN MHz
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.
M - indicates MHz and decimal point.
Frequency is recorded with minimum 4
significant digits to the right of the "M".
V = LVDS, Pin 2 Enable Pin 1 N.C.
FREQUENCY STABILITY
SUPPLY VOLTAGE
6 = ± 20 ppm *
5 = ± 25 ppm
2 = 2.5 Vdc
3 = 3.3 Vdc
3 = ± 50 ppm (standard)
2 = ± 100 ppm (over -40°C to 85°C only)
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. ٠
171 Covington Drive ٠
Bloomingdale, IL 60108 ٠
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www.ctscorp.com ٠
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