SY58034U中文资料Buffers数据手册Microchip规格书

描述 Description

The SY58034U is a 2.5V/3.3V precision, high-speed 1:6 fanout buffer capable of handling clocks up to 6GHz. A differential 2:1 MUX input is included for redundant clock switchover applications.The differential input includes Micrel's unique, 3-pin input termination architecture that allows the device to interface to any differential signal (AC- or DC-coupled) as small as 100mV without any level shifting or termination resistor networks in the signal path. The outputs are 50ý source terminated CML, with extremely fast rise/fall times guaranteed to be less than 60ps.The SY58034U operates from a 2.5V ±5% supply or a 3.3V ±10% supply and is guaranteed over the full industrial temperature range of -40°C to +85°C. For applications that require LVPECL outputs, consider the SY58035U or SY58036U Multiplexers. The SY58034U is part of Micrel's high-speed, Precision Edge® product line.

特性 Features

• Provides six ultra-low skew copies of the selected input
• 2:1 MUX input included for clock switchover applications
• Guaranteed AC performance over temperature and voltage:
• Clock frequency range: DC to >6GHz
• <290ps IN-to-OUT tpd
• <60ps tr/tf times
• <20ps skew (output-to-output)
• Unique input isolation design minimizes crosstalk
• Ultra low-jitter design:
• 60fs RMS phase jitter
• <0.7psRMS crosstalk-induced jitter
• Low supply voltage operation: 2.5V and 3.3V
• Unique input termination and VT pin accepts DCcoupled and AC-coupled inputs (CML, PECL, LVDS)
• Internal 50ý output source termination
• 400mV CML output swing
• -40°C to +85°C temperature range
• Available in 32-pin (5mm x 5mm) QFN package

简介

SY58034U属于集成电路（IC）的时钟缓冲器驱动器。由制造生产的SY58034U时钟缓冲器，驱动器时钟缓冲器和驱动器集成电路产品族中的产品用于帮助信号在系统中传输，常用作频率/时间参考信号，以同步系统内的活动。尽管这些器件最常用到的功能就是缓冲（即，为使信号不受驱动负载的影响而从某个信号源复制信号），但是该产品族中的某些器件还能执行其他功能，例如选择性改变缓冲信号路径、按某个整数值分割信号频率，或进行所用电信号格式转换。