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78P2344JAT-IEL/A07/F PDF预览

78P2344JAT-IEL/A07/F

更新时间: 2024-01-05 09:49:51
品牌 Logo 应用领域
TERIDIAN /
页数 文件大小 规格书
37页 352K
描述
Telecom IC, PQFP100,

78P2344JAT-IEL/A07/F 技术参数

是否Rohs认证: 符合生命周期:Obsolete
包装说明:QFP, QFP100,.63SQ,20Reach Compliance Code:unknown
HTS代码:8542.39.00.01风险等级:5.76
运营商类型:E-3运营商类型(2):STS-1/OC-1
运营商类型(3):T-3(DS3)JESD-30 代码:S-PQFP-G100
端子数量:100最高工作温度:85 °C
最低工作温度:-40 °C封装主体材料:PLASTIC/EPOXY
封装代码:QFP封装等效代码:QFP100,.63SQ,20
封装形状:SQUARE封装形式:FLATPACK
电源:3.3 V认证状态:Not Qualified
子类别:Other Telecom ICs最大压摆率:0.38 mA
标称供电电压:3.3 V表面贴装:YES
温度等级:INDUSTRIAL端子形式:GULL WING
端子节距:0.5 mm端子位置:QUAD
Base Number Matches:1

78P2344JAT-IEL/A07/F 数据手册

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78P2344JAT  
4-port E3/DS3/STS-1 LIU  
with Jitter Attenuator  
LOCAL LOOPBACK AND REDUNDANCY MUX  
Transmitter  
#1  
Each receiver has a 4-input MUX as shown in the  
adjacent figure. In multiport applications where  
redundant channels are required, the receiver MUX  
can be configured to provide the necessary  
multiplexing functions. This allows the user to use  
one port as a redundant monitor for the other port.  
The tables below show the register settings for  
selecting the desired receiver input source.  
LOUTP1, LOUTN1  
LINP1, LINN1  
00  
Receiver  
01  
10  
11  
#1  
LLBKA,B(1)  
Transmitter  
#2  
LOUTP2, LOUTN2  
LINP2, LINN2  
LLBKA  
LLBKB  
Receiver #1 Input  
Source  
(Port 1)  
(Port 1)  
00  
01  
10  
11  
Receiver  
0
0
1
1
0
1
0
1
LINP1/LINN1  
LOUTP1/LOUTN1  
LINP2/LINN2  
#2  
LLBKA,B(2)  
LOUTP2/LOUTN2  
Transmitter  
#3  
LOUTP3, LOUTN3  
LINP3, LINN3  
LLBKA  
LLBKB  
Receiver #2 Input  
Source  
LINP2/LINN2  
LOUTP2/LOUTN2  
LINP1/LINN1  
LOUTP1/LOUTN1  
00  
(Port 2)  
(Port 2)  
01  
10  
11  
Receiver  
#3  
0
0
1
1
0
1
0
1
LLBKA,B(3)  
Transmitter  
#4  
LOUTP4, LOUTN4  
LINP4, LINN4  
LLBKA  
LLBKB  
Receiver #3 Input  
Source  
LINP3/LINN3  
LOUTP3/LOUTN3  
LINP4/LINN4  
LOUTP4/LOUTN4  
00  
01  
10  
(Port 3)  
(Port 3)  
Receiver  
#4  
11  
0
0
1
1
0
1
0
1
LLBKA,B(4)  
When serial interface control is not available, the  
respective LPBKx pin for each of the channels can  
also be used to activate local loopback mode as  
shown below. Note that redundant channel modes  
can only be activated using the serial interface.  
LLBKA  
LLBKB  
Receiver #4 Input  
Source  
(Port 4)  
(Port 4)  
0
0
1
1
0
1
0
1
LINP4/LINN4  
LOUTP4/LOUTN4  
LINP3/LINN3  
LPBKx  
Loopback Mode  
pin  
Normal Operation  
Same as LLBKA,B = ‘00’  
LOUTP3/LOUTN3  
L
Remote (Digital) Loopback  
Same as RLBK = ‘1’  
Local (Analog) Loopback  
Same as LLBKA,B = ‘01’  
Note: The LLBKA and LLBKB bits are located in the  
Mode Control Register (MDCR). The Register  
Control bit, REGEN, should be enabled when using  
the register settings to avoid conflict with external  
loopback setting pins.  
Z
H
Page 3 of 37  
2005 Teridian Semiconductor Corporation  
Rev 2.2  

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