參數(shù)資料
型號(hào): LXT971A
廠商: Intel Corp.
英文描述: 3.3V Dual-Speed Fast Ethernet PHY Transceiver
中文描述: 3.3雙速快速以太網(wǎng)物理層收發(fā)器
文件頁(yè)數(shù): 69/90頁(yè)
文件大小: 568K
代理商: LXT971A
LXT971A 3.3V Dual-Speed Fast Ethernet Transceiver
Datasheet
Document #: 249414
Revision #: 002
Rev. Date: August 7, 2002
69
Figure 38. MDIO Input Timing
Figure 39. MDIO Output Timing
Table 38. MDIO Timing Parameters
Parameter
Symbol
Min
Typ
1
Max
Units
Test Conditions
MDIO setup before MDC, sourced
by STA
t1
10
ns
MDIO hold after MDC, sourced
by STA
t2
5
ns
MDC to MDIO output delay,
source by PHY
t3
150
ns
MDC period
t4
125
ns
MDC = 8 MHz
1. Typical values are at 25° C and are for design aid only; not guaranteed and not subject to production
testing.
t1
MDC
MDIO
t2
t3
MDC
MDIO
t4
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