参数资料
型号: DS10BR254TSQX/NOPB
厂商: National Semiconductor
文件页数: 15/16页
文件大小: 0K
描述: IC LVDS REPEAT 1.5GBPS 1:4 40LLP
标准包装: 2,500
类型: 转发器
Tx/Rx类型: LVDS
延迟时间: 440ps
电容 - 输入: 1.7pF
电源电压: 3 V ~ 3.6 V
电流 - 电源: 135mA
安装类型: 表面贴装
封装/外壳: 40-WFQFN 裸露焊盘
供应商设备封装: 40-LLP-EP(6x6)
包装: 带卷 (TR)
其它名称: DS10BR254TSQX
OUT+
OUT-
50:
VCC
CML3.3V or CML2.5V
Driver
100: Differential T-Line
DS10BR254
Receiver
IN+
IN-
100:
OUT+
OUT-
DS10BR254
Receiver
IN+
IN-
100: Differential T-Line
100:
LVDS
Driver
SNLS260D – DECEMBER 2007 – REVISED APRIL 2013
FUNCTIONAL DESCRIPTION
The DS10BR254 is a 1.5 Gbps 1:4 LVDS repeater optimized for high-speed signal routing and distribution over
lossy FR-4 printed circuit board backplanes and balanced cables.
Table 1. Input Select Truth Table
CONTROL Pin (SEL_in) State
Input Selected
0
IN1
1
IN2
Input Interfacing
The DS10BR254 accepts differential signals and allows simple AC or DC coupling. With a wide common mode
range, the DS10BR254 can be DC-coupled with all common differential drivers (i.e. LVPECL, LVDS, CML). The
following three figures illustrate typical DC-coupled interface to common differential drivers. Note that the
DS10BR254 inputs are internally terminated with a 100
Ω resistor.
Figure 2. Typical LVDS Driver DC-Coupled Interface to an DS10BR254 Input
Figure 3. Typical CML Driver DC-Coupled Interface to an DS10BR254 Input
8
Copyright 2007–2013, Texas Instruments Incorporated
Product Folder Links: DS10BR254
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