Datasheet > NB3L202K_18

NB3L202K_18

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
14页	143K
描述
Differential 1:2 HCSL Fanout Buffer

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NB3L202K_18 数据手册

NB3L202K

2.5 V, 3.3 V Differential 1:2

HCSL Fanout Buffer

Description

The NB3L202K is a differential 1:2 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 two

identical copies operating up to 350 MHz.

The NB3L202K is optimized for ultra−low phase noise, propagation

delay variation and low output–to–output skew, and is DB200H

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

NB3L202K’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.

www.onsemi.com

MARKING

DIAGRAM

QFN16

NB3L

202K

ALYWG

3x3

CASE 485FM

NB3L202K = Specific Device Code

= Assembly Location

= Wafer Lot

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

IREF (Pin 10) to GND per Figure 11. Outputs can also interface to

LVDS receivers when terminated per Figure 12.

= Year

= Work Week

= Pb−Free Package

(Note: Microdot may be in either location)

Features

• Maximum Input Clock Frequency > 350 MHz

• 2.5 V 5% / 3.3 V 10% Supply Voltage Operation

• 2 HCSL Outputs

ORDERING INFORMATION

See detailed ordering and shipping information page 13 of this

data sheet.

• DB200H Compliant

• PCIe Gen 3, Gen 4 Compliant

• Individual OE Control Pin for Each Output

• 100 ps Max Output−to−Output Skew Performance

• 1 ns Typical Propagation Delay

• 500 ps Typical Rise and Fall Times

• 80 fs Maximum Additive RMS Phase Jitter

• −40°C to +85°C Ambient Operating Temperature

• QFN 16−pin Package, 3 mm x 3 mm

• These Devices are Pb−Free and are RoHS Compliant

Typical Applications

• PCI Express

• FBDIMM

• Mobile Computing

• Networking

• Gigabit Ethernet

Publication Order Number:

January, 2018 − Rev. 4

NB3L202K/D

12 3 4 5 6 7...14

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