LMK00334

更新时间： 2024-11-18 12:36:35

品牌	Logo	应用领域
德州仪器 - TI		转换器电平转换器 PC 时钟
页数	文件大小	规格书
25页	1406K
描述
LMK00334 4-Output PCIe/Gen1/Gen2/Gen3 Clock Buffer/Level Translator

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LMK00334 数据手册

LMK00334

www.ti.com

SNAS635 –DECEMBER 2013

LMK00334 4-Output PCIe/Gen1/Gen2/Gen3 Clock Buffer/Level Translator

Check for Samples: LMK00334

FEATURES

APPLICATIONS

•

3:1 Input Multiplexer

•

Clock Distribution and Level Translation for

ADCs, DACs, Multi-Gigabit Ethernet, XAUI,

Fibre Channel, SATA/SAS, SONET/SDH, CPRI,

High-Frequency Backplanes

–

Two Universal Inputs Operate up to 400

MHz and Accept LVPECL, LVDS, CML,

SSTL, HSTL, HCSL, or Single-Ended Clocks

•

Switches, Routers, Line Cards, Timing Cards

Servers, Computing, PCI Express (PCIe 3.0)

Remote Radio Units and Baseband Units

–

One Crystal Input Accepts a 10 to 40 MHz

Crystal or Single-Ended Clock

•

Two Banks with 2 Differential Outputs Each

–

HCSL, or Hi-Z (Selectable)

DESCRIPTION

Additive RMS Phase Jitter for PCIe Gen3 at

100MHz:

The LMK00334 is a 4-output HCSL fanout buffer

intended for high-frequency, low-jitter clock/data

distribution and level translation. The input clock can

be selected from two universal inputs or one crystal

input. The selected input clock is distributed to two

banks of 2 HCSL outputs and one LVCMOS output.

The LVCMOS output has a synchronous enable input

for runt-pulse-free operation when enabled or

disabled. The LMK00334 operates from a 3.3 V core

–

30 fs RMS (typical)

•

High PSRR: -72 dBc at 156.25 MHz

LVCMOS Output with Synchronous Enable

Input

•

Pin-Controlled Configuration

V_CCCore Supply: 3.3 V ± 5%

supply and

supplies.

3 independent 3.3 V/2.5 V output

3 Independent V_CCOOutput Supplies: 3.3 V/2.5

V ± 5%

The LMK00334 provides high performance,

versatility, and power efficiency, making it ideal for

replacing fixed-output buffer devices while increasing

timing margin in the system.

•

Industrial Temperature Range: -40°C to +85°C

32-lead WQFN (5 mm x 5 mm)

FUNCTIONAL BLOCK DIAGRAM

CLKout_EN

Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of

Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.

All trademarks are the property of their respective owners.

PRODUCTION DATA information is current as of publication date.

Products conform to specifications per the terms of the Texas

Instruments standard warranty. Production processing does not

necessarily include testing of all parameters.

12 3 4 5 6 7...25

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与LMK00334相关器件

型号	品牌	获取价格	描述	数据表
LMK00334_14	TI	获取价格	Four-Output PCIe/Gen1/Gen2/Gen3 Clock Buffer/Level Translator
LMK00334-Q1	TI	获取价格	汽车类 4 路输出 PCIe® 第 1 代/第 2 代/第 3 代/第 4 代/第
LMK00334RTVR	TI	获取价格	LMK00334 4-Output PCIe/Gen1/Gen2/Gen3 Clock Buffer/Level Translator
LMK00334RTVRQ1	TI	获取价格	汽车类 4 路输出 PCIe® 第 1 代/第 2 代/第 3 代/第 4 代/第
LMK00334RTVT	TI	获取价格	LMK00334 4-Output PCIe/Gen1/Gen2/Gen3 Clock Buffer/Level Translator
LMK00334RTVTQ1	TI	获取价格	汽车类 4 路输出 PCIe® 第 1 代/第 2 代/第 3 代/第 4 代/第
LMK00338	TI	获取价格	LMK00338 8-Output Differential Clock Buffer/Level Translator
LMK00338_14	TI	获取价格	8-Output Differential Clock Buffer/Level Translator
LMK00338RTAR	TI	获取价格	LMK00338 8-Output Differential Clock Buffer/Level Translator
LMK00338RTAT	TI	获取价格	LMK00338 8-Output Differential Clock Buffer/Level Translator

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