Datasheet > LMK00338

LMK00338

更新时间： 2024-11-18 12:06:03

品牌	Logo	应用领域
德州仪器 - TI		转换器电平转换器时钟
页数	文件大小	规格书
25页	1823K
描述
LMK00338 8-Output Differential Clock Buffer/Level Translator

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LMK00338 数据手册

LMK00338

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SNAS636 –DECEMBER 2013

LMK00338 8-Output Differential Clock Buffer/Level Translator

Check for Samples: LMK00338

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 4 Differential Outputs Each

–

HCSL, or Hi-Z (Selectable Per Bank)

DESCRIPTION

Additive RMS Phase Jitter for PCIe Gen3 at

100MHz:

The LMK00338 is an 8-output PCIe Gen1/Gen2/Gen3

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 4 HCSL outputs and one

–

30 fs RMS (typical)

•

-72 dBc at 156.25 MHz

LVCMOS Output with Synchronous Enable

Input

LVCMOS output. The LVCMOS output has

•

Pin-Controlled Configuration

V_CCCore Supply: 3.3 V ± 5%

synchronous enable input for runt-pulse-free

operation when enabled or disabled. The LMK00338

operates from a 3.3 V core supply and 3 independent

3.3 V/2.5 V output supplies.

3 Independent V_CCOOutput Supplies: 3.3 V/2.5

V ± 5%

The LMK00338 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

40-lead WQFN (6 mm x 6 mm)

FUNCTIONAL BLOCK DIAGRAM

CLKoutA_EN

CLKoutB_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LMK00338相关器件

型号	品牌	获取价格	描述	数据表
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
LMK00725	TI	获取价格	Low Skew, 1-to-5, Differential-to-3.3V LVPECL Fanout Buffer
LMK00725PW	TI	获取价格	Low Skew, 1-to-5, Differential-to-3.3V LVPECL Fanout Buffer
LMK00725PWR	TI	获取价格	Low Skew, 1-to-5, Differential-to-3.3V LVPECL Fanout Buffer
LMK00804B	TI	获取价格	低偏斜、1 至 4、多路复用差动/LVCMOS 至 LVCMOS/TTl 扇出缓冲器
LMK00804BPW	TI	获取价格	低偏斜、1 至 4、多路复用差动/LVCMOS 至 LVCMOS/TTl 扇出缓冲器 \|
LMK00804BPWR	TI	获取价格	低偏斜、1 至 4、多路复用差动/LVCMOS 至 LVCMOS/TTl 扇出缓冲器 \|
LMK00804B-Q1	TI	获取价格	汽车类、1.5V 至 3.3V、1 至 4 高性能 LVCMOS 扇出缓冲器和电平转换器

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