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645H2505I3T

Description
HCSL Output Clock Oscillator,
CategoryPassive components    oscillator   
File Size535KB,8 Pages
ManufacturerCTS
Environmental Compliance
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645H2505I3T Overview

HCSL Output Clock Oscillator,

645H2505I3T Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid7277980449
Reach Compliance Codecompliant
Factory Lead Time48 weeks
YTEOL6.8
Other featuresSTANDBY; ENABLE/DISABLE FUNCTION; COMPLEMENTARY OUTPUT
maximum descent time0.7 ns
Frequency Adjustment - MechanicalNO
frequency stability25%
Installation featuresSURFACE MOUNT
Number of terminals6
Nominal operating frequency25 MHz
Maximum operating temperature85 °C
Minimum operating temperature-40 °C
Oscillator typeHCSL
Output load50 OHM
Package body materialCERAMIC
Encapsulate equivalent codeSOLCC6,.12
physical size5.0mm x 3.2mm x 1.4mm
longest rise time0.7 ns
Maximum slew rate60 mA
Maximum supply voltage3.465 V
Minimum supply voltage3.135 V
Nominal supply voltage3.3 V
surface mountYES
maximum symmetry55/45 %
Terminal surfaceGold Flash (Au) - with Nickel (Ni) barrier
Model 645H
HCSL
Very Low Jitter HCSL Clock
Features
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-481
Part Dimensions:
5.0 × 3.2 × 1.4mm • 58.1mg
Standard Frequencies
* See Page 8 for common frequencies.
Check with factory for availability of frequencies not listed.
Applications
PCI Express [PCIe]
Data Storage Systems
Ethernet Line Cards
Serial ATA Express [SATAe]
Intel Chipsets
Network Servers
Switches and Routers
Set-Top Boxes/DVRs
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 XX XX
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
1
Product Frequency Code
Code Temp. Range
-20°C to +70°C
C
-40°C to +85°C
I
G -40°C to +105°C
2
Code Packing
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. E
Page 1 of 8
©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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