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645H2504C2T

Description
HCSL Output Clock Oscillator,
CategoryPassive components    oscillator   
File Size656KB,7 Pages
ManufacturerCTS
Environmental Compliance
Download Datasheet Parametric View All

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645H2504C2T Overview

HCSL Output Clock Oscillator,

645H2504C2T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
MakerCTS
Reach Compliance Codecompliant
Factory Lead Time10 weeks
Other featuresENABLE/DISABLE FUNCTION; DIFFERENTIAL OUTPUT; TR, 7 INCH
maximum descent time0.7 ns
Frequency Adjustment - MechanicalNO
frequency stability30%
Installation featuresSURFACE MOUNT
Nominal operating frequency25 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Oscillator typeHCSL
Output load50 OHM
physical size5.0mm x 3.2mm x 1.4mm
longest rise time0.7 ns
Maximum supply voltage2.625 V
Minimum supply voltage2.375 V
Nominal supply voltage2.5 V
surface mountYES
maximum symmetry55/45 %
Terminal surfaceGold Flash (Au) - with Nickel (Ni) barrier
Model 645H
Features
Very Low Jitter HCSL Clock
High Speed Current Steering Logic [HCSL] Output
Ceramic Surface Mount Package
Low Phase Jitter Performance, 500fs Typical
Fundamental or 3
rd
Overtone Crystal Design
Frequency Range 13.5MHz – 160MHz *
+2.5V or +3.3V Operation
Output Enable Standard
Tape and Reel Packaging, EIA-418
PCI Express [PCIe]
Data Storage Systems
Ethernet Line Cards
Serial ATA Express [SATAe]
Intel Chipsets
Network Servers
Switches and Routers
Set-Top Boxes/DVRs
Part Dimensions:
5.0 × 3.2 × 1.4mm
58.1mg
Applications
Standard Frequencies
- 25MHz
- 100MHz
- 27MHz
- 106.25MHz
- 50MHz
- 125MHz
- 155.52MHz
- 156.25MHz
* Check with factory for availability of frequencies not listed.
Description
CTS Model 645H is a low cost, high performance clock oscillator supporting HCSL output. Employing the latest IC
technology, M645H has excellent stability and low phase jitter performance.
Ordering Information
Model
645
Output
Type
H
Frequency Code
[MHz]
XXX or XXXX
Frequency
Stability
3
Temperature
Range
I
Supply
Voltage
3
Packaging
T
Code
H
Output
HCSL - Pin 1 Enable
Code
5
4
3
2
Stability
±25ppm
±30ppm
±50ppm
±100ppm
Code
2
3
Voltage
+2.5Vdc
+3.3Vdc
Code
Frequency
Product Frequency Code
1
Code Temp. Range
-20°C to +70°C
C
-40°C to +85°C
I
G -40°C to +105°C
2
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] Check factory for availability. Stability codes 2 and 3 only.
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# 008-0582-1 Rev. C
Page 1 of 7
©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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