參數(shù)資料
型號(hào): LXT9863HC
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): 65/96頁
文件大小: 1309K
代理商: LXT9863HC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
Datasheet
65
Figure 28. 100BASE-TX Receive Timing - PHY Mode MII
Table 35. 100BASE-TX Receive Timing Parameters - PHY Mode MII
Parameter
Sym
t
3A
t
3B
t
3C
Min
Typ
1
Max
Units
2
Test Conditions
TPIP/N in to CRS asserted
46
BT
TPIP/N quiet to CRS de-asserted
46
BT
CRS asserted to RXD, RX_DV,
RX_ER
1
4
BT
CRS de-asserted to RXD,
RX_DV, RX_ER de-asserted
t
3D
3
BT
RX_CLK falling edge to RXD,
RX_DV, RX_ER valid
t
3E
t
3F
t
3G
10
ns
TPIP/N in to COL asserted
46
BT
TPIP/N quiet to COL de-asserted
46
BT
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
-8
s or 10 ns.
RX_CLK
RXD,
RX_DV,
RX_ER
CRS
TPIP/N
COL
t
3A
t
3B
t
3C
t
3D
t
3F
t
3G
t
3E
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