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FCMJ-8520-3 参数 Datasheet PDF下载

FCMJ-8520-3图片预览
型号: FCMJ-8520-3
PDF下载: 下载PDF文件 查看货源
内容描述: 1000BASE -T铜缆SFP收发器 [1000BASE-T Copper SFP Transceiver]
分类和应用: 光纤通信
文件页数/大小: 7 页 / 201 K
品牌: FINISAR [ FINISAR CORPORATION. ]
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FCMJ-8520/8521-3 1000BASE-T SFP Product Specification  
F i n i s a r  
II. +3.3V Volt Electrical Power Interface  
The FCMJ-8520/8521-3 has an input voltage range of 3.3 V +/- 5%. The 4 V maximum  
voltage is not allowed for continuous operation.  
+3.3 Volt Electrical Power  
Interface  
Parameter  
Symbol  
Min  
Typ  
Max  
Units Notes/Conditions  
mA 1.2W max power over  
full range of voltage  
Supply Current  
Is  
320  
375  
and temperature.  
See caution note below  
Referenced to GND  
Input Voltage  
Vcc  
Vmax  
Isurge  
3.13  
3.3  
3.47  
4
V
V
Maximum Voltage  
Surge Current  
30  
mA Hot plug above steady state  
current. See caution note  
below  
Caution: Power consumption and surge current are higher than the specified values in the SFP MSA  
Table 2. +3.3 Volt electrical power interface  
III. Low-Speed Signals  
MOD_DEF(1) (SCL) and MOD_DEF(2) (SDA), are open drain CMOS signals (see  
section VII, “Serial Communication Protocol”). Both MOD_DEF(1) and MOD_DEF(2)  
must be pulled up to host_Vcc.  
Low-Speed Signals,  
Electronic Characteristics  
Parameter  
SFP Output LOW  
Symbol  
VOL  
Min  
0
Max  
0.5  
Units Notes/Conditions  
V
4.7k to 10k pull-up to host_Vcc,  
measured at host side of connector  
SFP Output HIGH  
SFP Input LOW  
VOH  
VIL  
host_Vcc - 0.5 host_Vcc + 0.3  
V
V
4.7k to 10k pull-up to host_Vcc,  
measured at host side of connector  
4.7k to 10k pull-up to Vcc,  
0
2
0.8  
measured at SFP side of connector  
SFP Input HIGH  
VIH  
Vcc + 0.3  
V
4.7k to 10k pull-up to Vcc,  
measured at SFP side of connector  
Table 3. Low-speed signals, electronic characteristics  
Finisar Corporation March 16, 2005 Rev H  
Page 3