Datasheet > IDT5T940-30NLGI8

IDT5T940-30NLGI8

更新时间： 2024-01-27 06:07:39

品牌	Logo	应用领域
艾迪悌 - IDT		驱动逻辑集成电路
页数	文件大小	规格书
13页	117K
描述
PLL Based Clock Driver, 5T Series, 2 True Output(s), 0 Inverted Output(s), PQCC28, GREEN, PLASTIC, VFQFPN-28

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IDT5T940-30NLGI8 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFN
包装说明：	GREEN, PLASTIC, VFQFPN-28	针数：	28
Reach Compliance Code：	compliant	HTS代码：	8542.39.00.01
风险等级：	5.82	Is Samacsys：	N
系列：	5T	输入调节：	DIFFERENTIAL MUX
JESD-30 代码：	S-PQCC-N28	JESD-609代码：	e3
长度：	6 mm	逻辑集成电路类型：	PLL BASED CLOCK DRIVER
湿度敏感等级：	1	功能数量：	1
反相输出次数：		端子数量：	28
实输出次数：	2	最高工作温度：	85 °C
最低工作温度：	-40 °C	封装主体材料：	PLASTIC/EPOXY
封装代码：	VQCCN	封装形状：	SQUARE
封装形式：	CHIP CARRIER, VERY THIN PROFILE	峰值回流温度（摄氏度）：	260
认证状态：	Not Qualified	Same Edge Skew-Max（tskwd）：	0.02 ns
座面最大高度：	1 mm	最大供电电压 (Vsup)：	3.465 V
最小供电电压 (Vsup)：	2.375 V	标称供电电压 (Vsup)：	2.5 V
表面贴装：	YES	温度等级：	INDUSTRIAL
端子面层：	MATTE TIN	端子形式：	NO LEAD
端子节距：	0.65 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	30	宽度：	6 mm
最小 fmax：	666.52 MHz	Base Number Matches：	1

IDT5T940-30NLGI8 数据手册

IDT5T940

INDUSTRIALTEMPERATURERANGE

PRECISIONCLOCKGENERATOROC-192APPLICATIONS

IDT5T940

PRECISION CLOCK GENERATOR

OC-192 APPLICATIONS

PRODUCT DISCONTINUATION NOTICE - LAST TIME BUY EXPIRES OCTOBER 28, 2014

FEATURES:

DESCRIPTION:

• Input frequency:

The IDT5T940 generates a high precision FEC (Forward Error Cor-

rection) or non-FEC source clock for SONET/SDH systems as well as a

source clock for Gigabit Ethernet systems. This device also has clock

regeneration capability: it creates a "clean" version of the clock input by

using the internal oscillator to square the input clock's rising and falling

edges and remove jitter. In the event that the main clock input fails, the

device automatically locks to a backup reference clock using a hitless

switchover mechanism.

- ForSONETnon-FEC:19.44MHz,38.88MHz,77.76MHz,155.52MHz,

311.04MHz, or 622.08MHz

- For SONET FEC: 20.83MHz, 41.66MHz, 83.31MHz, 166.63MHz,

333.26MHz, or 666.52MHz

- For 10GE copper: 19.53MHz, 39.06MHz, 78.125MHz, 156.25MHz,

312.5MHz, or 625MHz

- For 10GE optical: 20.14MHz, 40.28MHz, 80.56MHz, 161.13MHz,

322.26MHz, or 644.53MHz

• 3-level inputs for feedback divide ratio and output frequency range

selection

• 1x, 2x, 4x, 8x, 16x, and 32x outputs on Q^OUT

• Regenerated input clock or QOUT/4 on QREG

• Lock indicator

This device detects loss of valid CLKIN and leaves the VCO of the PLL at

thelastvalidfrequencywhileanalternateinputREFINisselected. IfCLKIN

andREFINaredifferentfrequencies,themultiplicationfactorwillbeadjustedto

retainthesameoutputfrequency.

TheIDT5T940canactasatranslatorfromadifferentialLVPECL,LVDS,or

single-ended LVTTL input to LVPECL or LVDS outputs. The IDT5T940-10

has LVDS outputs and the IDT5T940-30 has LVPECL outputs.

ThethreemodesofoutputfrequencyrangearecontrolledbytheSELmode,

whichisa3-levelpin. WhenSELmodeishighorlow,theQ^OUTisamultiplied

versionoftheinputclockwhileQREGisaregeneratedversionoftheinputclock.

WhenSELmodeismid,theQOUT isamultipliedversionoftheinputclockwhile

QREG isQOUT/4.

• Power-down mode

• LVPECL or LVDS outputs

• Three modes of output frequency range

- Mode0:QOUT range155.5-166.6MHz. QREG isaregeneratedversion

of the input clock.

- Mode 1: QOUT range 622 - 666.5MHz. QREG output 155.5-166.6MHz.

- Mode 2: QOUT range 622 - 666.5MHz. QREG is a regenerated version

of the input clock frequency.

TheIDT5T940featuresaselectableloopbandwidth.

• Selectable loop bandwidths

• Hitless switchover

• Differential LVPECL, LVDS, or single-ended LVTTL input interface

• 2.375 - 3.465V core and I/O

• Available in VFQFPN package

• use replacement part:8T49N222B-dddNLGI

APPLICATIONS:

• Terabit routers

• Gigabit ethernet systems

• SONET / SDH systems

• Digital cross connects

• Optical transceiver modules

FUNCTIONALBLOCKDIAGRAM

PLLBW1

PLLBW0

QREG

CLKIN

INPUT

MUX

DIVN

DIVM

PLL

QOUT

CONTROL

LOGIC

LOCK,

FREQ.

DETECTOR

REFIN

SELMODE

LOCK

CLK/

REF0

CLK/

REF1

TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.

INDUSTRIAL TEMPERATURE RANGE

MAY 2013

2013 Integrated Device Technology, Inc.

DSC 6195/27

12 3 4 5 6 7...13

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与IDT5T940-30NLGI8相关器件

型号	品牌	获取价格	描述	数据表
IDT5T940-30NLI	IDT	获取价格	PRECISION CLOCK GENERATOR OC-192 APPLICATIONS
IDT5T940-30NLI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 2 True Output(s), 0 Inverted Output(s), PQCC28, PLASTIC
IDT5T9820NLGI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 10 True Output(s), 0 Inverted Output(s), GREEN, PLASTIC
IDT5T9820NLI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 10 True Output(s), 0 Inverted Output(s), PQCC68, PLASTI
IDT5T9821NLGI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 5 True Output(s), 0 Inverted Output(s), GREEN, PLASTIC,
IDT5T9890NLGI	IDT	获取价格	PLL Based Clock Driver, 5T Series, 10 True Output(s), 0 Inverted Output(s), PQCC68, GREEN,
IDT5T9890NLGI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 10 True Output(s), 0 Inverted Output(s), PQCC68, GREEN,
IDT5T9890NLI8	IDT	获取价格	PLL Based Clock Driver, 5T Series, 10 True Output(s), 0 Inverted Output(s), PQCC68, PLASTI
IDT5T9891	IDT	获取价格	EEPROM PROGRAMMABLE 2.5V PROGRAMMABLE SKEW PLL DIFFERENTIAL CLOCK DRIVER
IDT5T9891NL	IDT	获取价格	EEPROM PROGRAMMABLE 2.5V PROGRAMMABLE SKEW PLL DIFFERENTIAL CLOCK DRIVER

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