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LMK00308SQE PDF预览

LMK00308SQE

更新时间: 2024-11-20 11:46:03
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 1459K
描述
3-GHz 8-Output Differential Clock Buffer/Level Translator

LMK00308SQE 技术参数

生命周期:Obsolete零件包装代码:QFN
包装说明:6 X 6 MM, 0.80 MM HEIGHT, LLP-40针数:40
Reach Compliance Code:unknownHTS代码:8542.39.00.01
风险等级:5.72系列:00308
输入调节:DIFFERENTIAL MUXJESD-30 代码:S-XQCC-N40
长度:6 mm逻辑集成电路类型:LOW SKEW CLOCK DRIVER
功能数量:1反相输出次数:
端子数量:40实输出次数:16
最高工作温度:85 °C最低工作温度:-40 °C
封装主体材料:UNSPECIFIED封装代码:HVQCCN
封装形状:SQUARE封装形式:CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
Same Edge Skew-Max(tskwd):0.05 ns座面最大高度:0.8 mm
最大供电电压 (Vsup):3.45 V最小供电电压 (Vsup):3.15 V
标称供电电压 (Vsup):3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:NO LEAD
端子节距:0.5 mm端子位置:QUAD
宽度:6 mmBase Number Matches:1

LMK00308SQE 数据手册

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March 14, 2012  
LMK00308  
3-GHz 8-Output Differential Clock Buffer/Level Translator  
Servers, Workstations, and Computing  
1.0 General Description  
The LMK00308 is a 3-GHz, 8-output differential fanout buffer  
3.0 Features  
intended for high-frequency, low-jitter clock/data distribution  
3:1 Input Multiplexer  
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 differential outputs and  
one LVCMOS output. Both differential output banks can be  
independently configured as LVPECL, LVDS, or HCSL  
drivers, or disabled. The LVCMOS output has a synchronous  
enable input for runt-pulse-free operation when enabled or  
disabled. The LMK00308 operates from a 3.3 V core supply  
and 3 independent 3.3 V/2.5 V output supplies..  
Two universal inputs operate up to 3.1 GHz and accept  
LVPECL, LVDS, CML, SSTL, HSTL, HCSL (AC-  
coupled), or single-ended clocks  
One crystal input accepts a 10 to 40 MHz crystal or  
single-ended clock  
Two Banks with 4 Differential Outputs each  
LVPECL, LVDS, HCSL, or Hi-Z (selectable per bank)  
LVPECL Additive Jitter with LMK03806 clock source  
The LMK00308 provides high performance, versatility, and  
power efficiency, making it ideal for replacing fixed-output  
buffer devices while increasing timing margin in the system.  
20 fs RMS at 156.25 MHz (10 kHz – 1 MHz)  
51 fs RMS at 156.25 MHz (12 kHz – 20 MHz)  
High PSRR: -65 / -76 dBc (LVPECL/LVDS) at 156.25 MHz  
LVCMOS output with synchronous enable input  
Pin-controlled configuration  
2.0 Target Applications  
Clock Distribution and Level Translation for high-speed  
VCC Core Supply: 3.3 V ± 5%  
ADCs, DACs, Serial Interfaces (Multi-Gigabit Ethernet,  
XAUI, Fibre Channel, PCIe, SATA/SAS, SONET/SDH,  
CPRI), and high-frequency backplanes  
3 Independent VCCO Output Supplies: 3.3 V/2.5 V ± 5%  
Industrial temperature range: -40°C to +85°C  
Package: 40-pin LLP (6.0 x 6.0 x 0.8 mm)  
Remote Radio Units (RRU) and Baseband Units (BBU)  
Switches and Routers  
4.0 Functional Block Diagram  
30177601  
© 2012 Texas Instruments Incorporated  
301776 SNAS576A  
www.ti.com  

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