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STM1E-SFP02 参数 Datasheet PDF下载

STM1E-SFP02图片预览
型号: STM1E-SFP02
PDF下载: 下载PDF文件 查看货源
内容描述: 155Mbps的铜缆收发器 [155Mbps Copper Transceiver]
分类和应用: 光纤通信
文件页数/大小: 16 页 / 426 K
品牌: TERIDIAN [ TERIDIAN SEMICONDUCTOR CORPORATION ]
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STM1E-SFPxx 155Mbps Copper Transceiver  
Final Datasheet  
Data and Control Interface  
The STM1E-SFPxx data I/Os accept and provide differential signals at 155.52Mbit/s. AC-coupling for both  
transmit and receive traces is handled internally and is thus not required on the host board.  
The receive data outputs (RD+/-) provide the recovered STM1/STS3 data to the host in NRZ coding.  
During Rx LOS of signal conditions, the receive outputs are squelched. The RD+/- traces on the host  
card should be of equal length and differentially terminated with 100at the user SerDes.  
The transmit data inputs (TD+/-) accept STM1/STS3 NRZ data at CML or LVPECL levels. The transmit  
timing is recovered inside the 78P2351R LIU and used for the CMI line encoding and transmit pulse  
driver. The TD+/- traces on the host card should be of equal length.  
The physical layer IC used in the STM1E-SFPxx does not require reset or software configuration. Only an  
optional Transmit Disable control pin is available for enabling or powering down the transmit driver.  
For status monitoring, a Receive Loss of Signal indicator is provided. Loss of Signal detection for STM-1e  
(electrical) interfaces is inherently different from optical LOS detection. Reference Receiver Loss of Signal  
Condition section for more info on LOS detection criteria for STM-1e (ES1) interfaces.  
VccT  
3.3V  
78P2351R LIU  
VccR  
4.7K  
Tx_Disable  
3.3V  
82  
82  
TD+  
TD-  
0.1uF  
0.1uF  
to circuit  
to circuit  
VCC  
Magnetics  
& CoaxI/F  
130  
130  
75 ohm  
coax pair  
Protocol IC  
& SerDes  
from circuit  
VCC  
RD+  
RD-  
20  
20  
0.1uF  
0.1uF  
from circuit  
100  
170  
170  
Rx_LOS  
MOD_DEF2  
MOD_DEF1  
MOD_DEF0  
EEPROM  
PLD / PAL  
STM1E-SFPxx  
4.7K 4.7K 4.7K 4.7K  
3.3V  
Figure 2: Typical Application Configuration  
STM1E-SFPxx Datasheet  
- 2 -  
August 2008 v2-2