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DS25MB100TSQ PDF预览

DS25MB100TSQ

更新时间： 2024-01-24 20:52:33
品牌 Logo 应用领域
美国国家半导体 - NSC 驱动器复用器接口集成电路
页数 文件大小 规格书
16页 995K
描述
2.5 Gbps 2:1/1:2 CML Mux/Buffer with Transmit De-Emphasis and Receive Equalization

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中文翻译

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DS25MB100TSQ 技术参数

是否无铅： 不含铅是否Rohs认证： 符合
生命周期：Active包装说明：HVQCCN, LCC36,.25SQ,20
Reach Compliance Code：compliantECCN代码：5A991.B.1
HTS代码：8542.39.00.01Factory Lead Time：6 weeks
风险等级：1.53差分输出：YES
高电平输入电流最大值：0.00001 A接口集成电路类型：LINE TRANSCEIVER
JESD-30 代码：S-XQCC-N36JESD-609代码：e3
湿度敏感等级：3功能数量：1
端子数量：36最高工作温度：85 °C
最低工作温度：-40 °C输出特性：DIFFERENTIAL
输出极性：COMPLEMENTARY封装主体材料：UNSPECIFIED
封装代码：HVQCCN封装等效代码：LCC36,.25SQ,20
封装形状：SQUARE封装形式：CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE
峰值回流温度（摄氏度）：260电源：3.3 V
认证状态：Not Qualified最大接收延迟：
接收器位数：1子类别：Line Driver or Receivers
标称供电电压：3.3 V电源电压1-最大：3.465 V
电源电压1-分钟：3.15 V电源电压1-Nom：3.3 V
表面贴装：YES温度等级：INDUSTRIAL
端子面层：Matte Tin (Sn)端子形式：NO LEAD
端子节距：0.5 mm端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIEDBase Number Matches：1

DS25MB100TSQ 数据手册

 浏览型号DS25MB100TSQ的Datasheet PDF文件第2页浏览型号DS25MB100TSQ的Datasheet PDF文件第3页浏览型号DS25MB100TSQ的Datasheet PDF文件第4页浏览型号DS25MB100TSQ的Datasheet PDF文件第6页浏览型号DS25MB100TSQ的Datasheet PDF文件第7页浏览型号DS25MB100TSQ的Datasheet PDF文件第8页 
AC coupling differential signals such as LVDS, LVPECL and  
CML.  
Functional Description  
The DS25MB100 is a signal conditioning 2:1 multiplexer and  
a 1:2 buffer designed to support port redundancy up to 2.5  
Gbps. Each input stage has a fixed equalizer that provides  
equalization to compensate about 5 dB of transmission loss  
from a short backplane trace (about 10 inches backplane).  
The output driver has de-emphasis (driver-side equalization)  
to compensate the transmission loss of the backplane that it  
is driving. The driver conditions the output signal such that the  
lower frequency and higher frequency pulses reach approxi-  
mately the same amplitude at the end of the backplane, and  
minimize the deterministic jitter caused by the amplitude dis-  
parity. The DS25MB100 provides four steps of user-se-  
lectable de-emphasis ranging from 0, -3, -6 and –9 dB to  
handle different lengths of backplane. Figure 1 shows a driver  
de-emphasis waveform. The de-emphasis duration is 188ps  
nominal, corresponds to 0.47 bit-width at 2.5 Gbps. The de-  
emphasis levels of switch-side and line-side can be individu-  
ally programmed.  
TABLE 1. Logic Table For Multiplex Controls  
MUX_S0 Mux Function  
0
MUX select switch input, IN1±.  
MUX select switch input, IN0±.  
1
(default)  
TABLE 2. Logic Table For Loopback Controls  
Loopback Function  
LB0  
0
Enable loopback from IN0± to OUT0±.  
Normal mode. Loopback disabled.  
1
(default)  
LB1  
0
Loopback Function  
Enable loopback from IN1± to OUT1±.  
Normal mode. Loopback disabled.  
1
(default)  
The high speed inputs are self-biased to about 1.3V and are  
designed for AC coupling. The inputs are compatible to most  
TABLE 3. Line-Side De-Emphasis Controls  
De-Emphasis  
Level in mVPP  
(VODB)  
De-Emphasis  
Level in mVPP  
(VODPE)  
De-Emphasis in dB  
(VODPE/VODB)  
DEL_[1:0]  
Typical FR4 Board Trace  
10 inches  
0 0  
0 1  
1 0  
1300  
1300  
1300  
1300  
1300  
920  
650  
461  
0
−3  
−6  
−9  
20 inches  
30 inches  
40 inches  
1 1 (default)  
TABLE 4. Switch-Side De-Emphasis Controls  
De-Emphasis  
De-Emphasis  
Level in mVPP  
(VODB)  
De-Emphasis in dB  
(VODPE/VODB)  
Level in mVPP  
(VODPE)  
DES_[1:0]  
Typical FR4 Board Trace  
0 0  
1300  
1300  
1300  
1300  
1300  
0
10 inches  
20 inches  
30 inches  
40 inches  
0 1  
920  
650  
461  
−3  
−6  
−9  
1 0  
1 1 (default)  
TABLE 5. EQ Controls For Line And Switch Sides  
Loopback Function  
EQL/EQS  
0
Enable equalization.  
1 (default)  
Normal mode. Equalization disabled.  
5
www.national.com  
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DS25MB100TSQ 替代型号

型号 品牌 替代类型 描述 数据表
DS25MB100TSQX NSC

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