Document No. 008-0284-0

Page 1 - 4

Rev. D

٠ ٠ ٠ CTS Electronic Components, Inc. ٠ 171 Covington Drive ٠ Bloomingdale, IL 60108 ٠ ٠ ٠

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)

ORDERING INFORMATION

* - Not available with 'I' temperature range. Consult factory for availability before ordering.

635

OUTPUT TYPE

FREQUENCY IN MHz

M - indicates MHz and decimal point.

Frequency is recorded with minimum 4

significant digits to the right of the "M".

M

OPERATING TEMPERATURE RANGE

C = -20°C to +70°C (standard)

I = -40°C to +85°C

FREQUENCY STABILITY

SUPPLY VOLTAGE

2 = 2.5 Vdc

3 = 3.3 Vdc

6 = ± 20 ppm *

5 = ± 25 ppm

3 = ± 50 ppm (standard)

Example Part Number: 635P3C3155M5200

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.