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参数资料
| 型号： | FCM-8520-3 |
| 元件分类： | 光收发 |
| 英文描述： | FIBER OPTIC TRANSCEIVER, 1250Mbps(Tx), 1250Mbps(Rx), PANEL MOUNT |
| 文件页数： | 5/7页 |
| 文件大小： | 163K |
| 代理商： | FCM-8520-3 |
FCM-8520/8521-3 1000BASE-T GBIC Product Specification
Fin i sar
Finisar Corporation
Page 5
Rev A, Feb 2003
VI. Environmental Specifications
The FCM-8520-3 has an extended range from 0°C to +75°C case temperature as
specified in Table 8.
VII. Serial Communication Protocol
All Finisar GBICs are ‘Module Definition “4”’ and support the 2-wire serial
communication protocol outlined in the GBIC Specification1. These GBICs use an Atmel
AT24C01A 128 byte E2PROM with an address of A0h. For details on interfacing with
the E2PROM, see the Atmel data sheet titled “AT24C01A/02/04/08/16 2-Wire Serial
CMOS E2PROM.”5
The 1000BASE-T physical layer IC can also be accessed via the 2-wire serial bus at
address A4h. For details interfacing with the PHY IC, see Marvell data sheet titled
“Alaska Ultra 88E1011/88E1001S Integrated Gigabit Ethernet Transceiver”6 (Marvell
document number MV-5100281-00).
Environmental
Specifications
Parameter
Symbol
Min
Typ
Max
Units
Notes/Conditions
Operating Temperature
Top
0
75
°C
Case temperature
Storage Temperature
Tsto
-40
85
°C
Ambient temperature
Table 7. Environmental specifications
Serial Bus Timing
Requirements
Parameter
Symbol Min
Typ
Max
Units Notes/Conditions
I2C Clock Rate
0
100,000
Hz
Table 8. Serial bus timing requirements
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