Datasheet > NB3L208KMNTXG

NB3L208KMNTXG

更新时间： 2024-10-03 01:07:51

品牌	Logo	应用领域
安森美 - ONSEMI		/
页数	文件大小	规格书
13页	205K
描述
Differential 1:8 HCSL Fanout Buffer

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NB3L208KMNTXG 数据手册

NB3L208K

2.5V, 3.3V Differential 1:8

HCSL Fanout Buffer

Description

The NB3L208K is a differential 1:8 Clock fanout buffer with

High−speed Current Steering Logic (HCSL) outputs. Inputs can

directly accept differential LVPECL, LVDS, and HCSL signals.

Single−ended LVPECL, HCSL, LVCMOS, or LVTTL levels are

accepted with a proper external Vth reference supply per Figures 4

and 6. The input signal will be translated to HCSL and provides eight

identical copies operating up to 350 MHz.

www.onsemi.com

MARKING

DIAGRAM

The NB3L208K is optimized for ultra−low phase noise, propagation

delay variation and low output–to–output skew, and is DB800H

compliant. As such, system designers can take advantage of the

NB3L208K’s performance to distribute low skew clocks across the

backplane or the motherboard making it ideal for Clock and Data

distribution applications such as PCI Express, FBDIMM, Networking,

Mobile Computing, Gigabit Ethernet, etc.

Output drive current is set by connecting a 475 W resistor from

IREF (Pin 27) to GND per Figure 11. Outputs can also interface to

LVDS receivers when terminated per Figure 12.

NB3L

208K

AWLYYWWG

QFN32

G SUFFIX

CASE 488AM

= Assembly Location

= Wafer Lot

= Year

= Work Week

= Pb−Free Package

Features

ORDERING INFORMATION

See detailed ordering and shipping information page 12 of this

data sheet.

©Maximum Input Clock Frequency > 350 MHz

©DB800H Compliant

©PCIe Gen 3, Gen 4 Compliant

©Individual OE Control Pin for Each Bank of 2 Outputs

©−40©C to +85©C Ambient Operating Temperature

©QFN 32−pin Package, 5 mm x 5 mm

©These Devices are Pb−Free and are RoHS Compliant

Typical Applications

©PCI Express

©FBDIMM

©Mobile Computing

©Networking

©Gigabit Ethernet

©Semiconductor Components Industries, LLC, 2015

Publication Order Number:

October, 2017 − Rev. 3

NB3L208K/D

12 3 4 5 6 7...13

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