參數(shù)資料
型號: LXT974QC
英文描述: LAN Transceiver
中文描述: 網(wǎng)絡(luò)收發(fā)器
文件頁數(shù): 54/68頁
文件大小: 1177K
代理商: LXT974QC
LXT9784
Low-Power Octal PHY
54
Datasheet
4.2.1
Common Characteristics
Figure 15. AC Testing Level Conditions
Figure 16. MDC Clock AC Timing
Table 33. MII Management Clock Specifications
Parameter
Symbol
Min
Typ
Max
Units
Condition
MDC Frequency
f
0
3.0
MHz
MDC clock period
T1
300
ns
MDC duty cycle
T2
35
65
%
Figure 17. MII Management Timing Parameters: MDC/MDIO
Input Levels
1.4v
1.4v
T2
T2
T1
MDC
T3
MDIO (Input)
MDIO (Output)
T4
T5
Data Invalid
Data Valid
Data Invalid
Data Invalid
Data Valid
Data Invalid
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