參數(shù)資料
型號: LXT980AHC
英文描述: LAN HUB CONTROLLER
中文描述: 局域網(wǎng)集線器控制器
文件頁數(shù): 67/96頁
文件大小: 1309K
代理商: LXT980AHC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
Datasheet
67
Figure 30. 100BASE-TX Receive Timing - MAC Mode MII
Table 37. 100BASE-TX Receive Timing - MAC Mode MII
Parameter
Sym
t
5A
t
5B
t
5C
Min
Typ
1
Max
Units
2
Test Conditions
TPIP/N in to TXD, TX_EN, TX_ER
46
BT
TPIP/N quiet to TXD de-asserted
13
46
BT
TX_CLK rising edge to TXD,
TX_EN, TX_ER valid
0
25
ns
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
2. Bit Time (BT) is the duration of one bit as transferred to/from the MAC and is the reciprocal of bit rate. BT for 100BASE-T =
10
s or 10 ns.
TX_CLK
TXD,
TX_EN,
TX_ER
TPIP/N
t
5A
t
5C
t
5B
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