Description

The 8S89831I is a high speed 1-to-4 Differential- to-LVPECL/ECL

Fanout Buffer. The 8S89831I is optimized for high speed and very

low output skew, making it suitable for use in demanding applications

such as SONET, 1 Gigabit and 10 Gigabit Ethernet, and Fiber

Channel. The internally terminated differential input and VREF_AC pin

allow other differential signal families such as LVDS, LVHSTL and

CML to be easily interfaced to the input with minimal use of external

components.

The device also has an output enable pin which may be useful for

system test and debug purposes. The 8S89831I is packaged in a

small 3mm x 3mm 16-pin VFQFN package which makes it ideal for

use in space-constrained applications.

Features

• Four LVPECL/ECL outputs

• IN, nIN input can accept the following differential input levels:

LVPECL, LVDS, CML, SSTL

• 50 internal input termination to VT

• Output frequency: >2.1GHz

• Output skew: 30ps (maximum)

• Part-to-part skew: 185ps (maximum)

• Additive phase jitter, RMS: 0.31ps (typical)

• Propagation Delay: 570ps (maximum)

• LVPECL mode operating voltage supply range:

VCC = 2.5V±5, 3.3V±5, VEE = 0V

• ECL mode operating voltage supply range:

VCC = 0V, VEE = -3.3V±5, -2.5V±5

• -40°C to 85°C ambient operating temperature

• Available in lead-free (RoHS 6) package

• Supports ≤105°C board temperature operations

8S89831AKILFT属于集成电路（IC） > 时钟缓冲器，驱动器。瑞萨科技有限公司制造生产的8S89831AKILFT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。