參數(shù)資料
型號: LXT970A
廠商: Intel Corp.
英文描述: Dual-Speed Fast Ethernet Transceiver
中文描述: 雙速度快速以太網(wǎng)收發(fā)器
文件頁數(shù): 56/74頁
文件大?。?/td> 1061K
代理商: LXT970A
LXT970A
Dual-Speed Fast Ethernet Transceiver
56
Datasheet
Figure 27. MII - 100BASE-FX Transmit Timing / 4B Mode
Table 36. MII - 100BASE-FX Transmit Timing Parameters / 4B Mode
Parameter
Sym
Min
Typ
1
Max
Units
2
TXD<3:0>, TX_EN, TX_ER Setup to TX_CLK High
t6A
10
ns
TXD<3:0>, TX_EN, TX_ER Hold from TX_CLK High
t6B
5
ns
TX_EN sampled to CRS asserted
t6C
3
4
BT
TX_EN sampled to CRS de-asserted
t6D
4
16
BT
TX_EN sampled to TPO out (Tx latency)
t6E
6
11
14
BT
1. Typical values are at 25
°
C and are for design aid only; not guaranteed and not subject to production testing.
2. BT is the duration of one bit as transferred to and from the MAC and is the reciprocal of the bit rate. 100BASE-T bit time = 10
-
s or 10 ns.
t6A
t6B
t6E
t6C
t6D
0ns
250ns
TXCLK
TX_EN
TXD<3:0>
CRS
FIBOP
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