Datasheet > 643H

643H

更新时间： 2023-12-06 20:08:23

品牌	Logo	应用领域
西迪斯 - CTS		/
页数	文件大小	规格书
8页	523K
描述
Leadless Castellated Ceramic

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643H 数据手册

Model 643H

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^rdOvertone Crystal Design

ꢀ Frequency Range 13.5MHz – 156.25MHz *

ꢀ +2.5V or +3.3V Operation

Part Dimensions:

3.2 × 2.5 × 1.2mm • 24mg

ꢀ Output Enable Standard

ꢀ Tape and Reel Packaging, EIA-481

Standard Frequencies

* See Page 8 for common frequencies.

Applications

Check with factory for availability of frequencies not listed.

ꢀ PCI Express [PCIe]

ꢀ Intel Chipsets

ꢀ Data Storage Systems

ꢀ Ethernet Line Cards

ꢀ Serial ATA Express [SATAe]

ꢀ Network Servers

ꢀ Switches and Routers

ꢀ Set-Top Boxes/DVRs

Description

CTS Model 643H is a low cost, high performance clock oscillator supporting HCSL output. Employing the latest IC

technology, M643H has excellent stability and low phase jitter performance.

Ordering Information

Output

Type

Frequency

Stability

Temperature

Supply

Voltage

Frequency Code

[MHz]

Packaging

Model

Range

643

XXX or XXXX

Output

Stability

±25ppm

±30ppm

±50ppm

±100ppm

Voltage

+2.5Vdc

+3.3Vdc

Code

HCSL - Pin 1 Enable

Frequency

Product Frequency Code ¹

Temp. Range

-20°C to +70°C

-40°C to +85°C

-40°C to +105°C ²

Packing

Code

3k pcs./reel

Notes:

1] Refer to document 016-1454-0, Frequency Code Tables. 3-digits for frequencies <100MHz, 4-digits for frequencies 100MHz or greater.

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# 008-0582-0 Rev. E

Page 1 of 8

equipment. Visit www.ctscorp.com for list of applicable patent(s), more information, or to request a quote.

12 3 4 5 6 7 8

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