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78P2343JAT-IGT/F 参数 Datasheet PDF下载

78P2343JAT-IGT/F图片预览
型号: 78P2343JAT-IGT/F
PDF下载: 下载PDF文件 查看货源
内容描述: [PCM Transceiver, 1-Func, PQFP100, LEAD FREE, LQFP-100]
分类和应用: 电信集成电路PC
文件页数/大小: 37 页 / 351 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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78P2343JAT  
3-port E3/DS3/STS-1 LIU  
with Jitter Attenuator  
ELECTRICAL SPECIFICATIONS (continued)  
TRANSMIT MONITOR SPECIFICATIONS  
The transmit monitor function looks at the signals on the LOUTPx and LOUTNx pins and checks for the  
existence of a valid signal. The monitor detects the peak of the transmitted signal at the LOUTPx and LOUTNx  
pins and checks that it is between VUNDER and VOVER at all times. If the peak level is within the voltage threshold  
window, the TXNW signal is low. If the peak level falls outside of the threshold limits for more than  
approximately 25 bit times, the TXNW signal goes high.  
VTPOS - VTNEG  
VOVER  
VPEAK  
VUNDER  
Time  
PARAMETER  
CONDITION  
MIN  
TYP  
MAX  
UNIT  
DS3/STS-1 mode with LBOx=1  
450  
mVpk  
VUNDER  
E3 mode;  
550  
1050  
1480  
mVpk  
mVpk  
mVpk  
DS3/STS-1 mode with LBOx=0  
DS3/STS-1 mode with LBOx=1  
VOVER  
E3 mode;  
DS3/STS-1 mode with LBOx=0  
Page 28 of 37  
2005 Teridian Semiconductor Corporation  
Rev 2.2  
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