Datasheet > 8V49NS0312

8V49NS0312

更新时间： 2023-12-20 18:45:27

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
53页	1643K
描述
FemtoClock? NG 12-Output Clock Generator

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数据手册

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8V49NS0312 数据手册

FemtoClock NG Clock Generator

8V49NS0312

Datasheet

with 4 Dividers

Description

The 8V49NS0312 is a Clock Generator with four output dividers:

three integer and one that is either integer or fractional. When used

with an external crystal, the 8V49NS0312 generates

Features

▪ Eleven differential LVPECL, LVDS outputs with programmable

voltage swings

▪ One LVCMOS output

high-performance timing geared towards the communications and

datacom markets, especially for applications that demand extremely

low phase noise, such as 10, 40, and 100GE.

— Input reference maybe bypassed to this output

▪ The clock input operates in full differential mode (LVDS, LVPECL)

or single-ended LVCMOS mode

The 8V49NS0312 provides versatile frequency configurations and

output formats and is optimized to deliver excellent phase noise

performance. The device delivers an optimum combination of high

clock frequency and low phase noise performance, combined with

high power supply noise rejection.

▪ Driven from a crystal or differential clock input

▪ 2.4-2.5GHz PLL frequency range supports Ethernet, SONET and

CPRI frequency plans

▪ Four Integer output dividers with a range of output divide ratios

(see Table 7)

The 8V49NS0312 supports two types of output levels: LVPECL or

LVDS on eleven of its outputs. In addition, there is a single LVCMOS

output that has the option of providing a generated clock or acting as

a reference bypass output.

▪ One Fractional Output divider can generate any desired output

frequency

▪ Support of output power-down

▪

Excellent clock output phase noise

The device can be configured to deliver specific output

configurations under pin control only or additional configurations

through an I²C serial interface.

Offset

Output Frequency

Single-side Band Phase Noise

100kHz

156.25MHz

-143dBc/Hz

▪ Phase Noise RMS, 156.25MHz, 12kHz to 20MHz integration

It is offered in a lead-free (RoHS6) 64-VFQFPN package.

range: 110fs (maximum)

▪ Select configurations may be controlled via the use of control

input pins without need for serial port access

▪ LVCMOS compatible I²C serial interface gives access to

additional configurations either alone or in combination with the

control input pins

▪ Single 3.3V supply voltage

▪ Lead-free (RoHS 6) 64-VFQFPN packaging

▪ -40°C to 85°C ambient operating temperature

April 24, 2019

12 3 4 5 6 7...53

中文翻译

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与8V49NS0312相关器件

型号	品牌	获取价格	描述	数据表
8V49NS0312_17	IDT	获取价格	NG Clock Generator with 4 Dividers
8V49NS0312NLGI	IDT	获取价格	NG Clock Generator with 4 Dividers
8V49NS0312NLGI8	IDT	获取价格	NG Clock Generator with 4 Dividers
8V49NS0412	RENESAS	获取价格	FemtoClock? NG 12-Output Clock Generator
8V54816A	IDT	获取价格	16-Por t , Bi-direct ional M-LVDS Clock Cross-Point Switch
8V54816ANLG	IDT	获取价格	16-Por t , Bi-direct ional M-LVDS Clock Cross-Point Switch
8V54816ANLG8	IDT	获取价格	16-Por t , Bi-direct ional M-LVDS Clock Cross-Point Switch
8V79S680	IDT	获取价格	JESD204B Compliant Fanout Buffer and Divider
8V79S680	RENESAS	获取价格	JESD204B Compliant Fanout Buffer and Divider
8V79S680_17	IDT	获取价格	JESD204B-Compliant Fanout Buffer and Divider

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