參數(shù)資料
型號: LXT980QC
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): 73/96頁
文件大小: 1309K
代理商: LXT980QC
LXT980/980A Dual-Speed, 5-Port Fast Ethernet Repeater
Datasheet
73
Figure 36. 10BASE-T Receive Timing - PHY Mode MII
Table 43. 10BASE-T Receive Timing Parameters - PHY Mode MII
Parameter
Sym
t
11A
t
11B
Min
Typ
1
Max
Units
2
Test Conditions
TPIP/N in to CRS asserted
5
6.6
8
BT
CRS asserted to RXD, RX_DV,
RX_ER
70
76
84
BT
RX_CLK falling edge to RXD,
RX_DV, RX_ER valid
t
11C
t
11D
10
ns
TPIP/N in to COL asserted
6
7.4
9
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 10BASE-T =
10
s or 100 ns.
RX_CLK
RXD,
RX_DV,
RX_ER
CRS
TPIP/N
COL
t
11A
t
11B
t
11C
t
11D
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