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637L1943I3T

Description
OSC XO 19.4400MHZ LVDS SMD
CategoryPassive components   
File Size785KB,9 Pages
ManufacturerCTS [CTS Corporation]
Environmental Compliance
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637L1943I3T Overview

OSC XO 19.4400MHZ LVDS SMD

637L1943I3T Parametric

Parameter NameAttribute value
typeXO (Standard)
frequency19.44MHz
Functionenable/disable
outputLVDS
Voltage - Power3.3V
frequency stability±50ppm
Operating temperature-40°C ~ 85°C
Current - Power (maximum)66mA
grade-
Installation typesurface mount
Package/casing6-SMD, no leads
size/dimensions0.276" long x 0.197" wide (7.00mm x 5.00mm)
Height - Installation (maximum)0.079"(2.00mm)
Current - Power (disabled) (maximum)-
Model 637
Features
Very Low Jitter LVPECL or LVDS Clock
Ceramic Surface Mount Package
Very Low Phase Jitter Performance, 500fs Maximum
Fundamental or 3
rd
Overtone Crystal Design
Frequency Range 10 – 320MHz *
+2.5V or +3.3V Operation
Output Enable Standard
Tape and Reel Packaging, EIA-418
SerDes
Storage Area Networking
Broadband Access
SONET/SDH/DWDM
PON
Ethernet/GbE/SyncE
Fiber Channel
Test and Measurement
Part Dimensions:
7.0 × 5.0 × 2.0mm
178.462mg
Applications
Standard Frequencies
- 25.00MHz
- 125.00MHz
- 50.00MHz
- 150.00MHz
- 74.1758MHz
- 155.52MHz
- 74.25MHz
- 156.25MHz
- 100.00MHz
- 161.1328MHz
- 187.50MHz
- 200.00MHz
- 212.50MHz
- 250.00MHz
- 312.50MHz
* See Page 9 for additional developed frequencies.
Check with factory for availability of frequencies not listed.
Description
CTS Model 637 is a low cost, high performance clock oscillator supporting differential LVPECL or LVDS outputs.
Employing the latest IC technology, M637 has excellent stability and low jitter/phase noise performance.
Ordering Information
Model
637
Output
Type
P
Frequency Code
[MHz]
XXX or XXXX
Frequency
Stability
3
Temperature
Range
I
Supply
Voltage
3
Packaging
T
Code
P
L
E
V
Output
LVPECL - Pin 1 Enable
LVDS - Pin 1 Enable
LVPECL - Pin 2 Enable
LVDS - Pin 2 Enable
Code
6
5
3
2
Stability
±20ppm
±25ppm
±50ppm
±100ppm
2
Code
2
3
Voltage
+2.5Vdc
+3.3Vdc
Code
Frequency
Product Frequency Code
1
Code Temp. Range
-10°C to +60°C
A
-20°C to +70°C
C
-40°C to +85°C
I
Packing
Code
1k pcs./reel
T
Notes:
1] Refer to document 016-1454-0, Frequency Code Tables. 3-digits for frequencies <100MHz, 4-digits for frequencies 100MHz or greater.
2] Consult factory for availability of 6I Stability/Temperature combination.
Not all performance combinations and frequencies may be available.
Contact your local CTS Representative or CTS Customer Service for availability.
This product is specified for use only in standard commercial applications. Supplier disclaims all express and implied warranties and liability in connection with any use of this
product in any non-commercial applications or in any application that may expose the product to conditions that are outside of the tolerances provided in its specification.
DOC# 008-0453-0 Rev. C
Page 1 of 9
©2017 CTS® Corporation. Information/product(s) subject to change. No warranty that product(s) will meet the stated specifications for customer specific applications or test
equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.
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