LAN83C183 Datasheet, PDF (94/113 Pages) SMSC Corporation – FAST ETHERNET PHYSICAL LAYER DEVICE

Table 5.10 Receive Timing (Cont.)
Sym
Parameter
Min
t41
Receive Input Jitter
t43
PLEDn Delay Time
t44
PLEDn Pulse
80
Width
t45
RX_CLK, RXD,
CRC, RX_DV,
RX_ER Output
Rise and Fall
Times
t46
RX_EN Deassert
to Rcv MII Output
HI-Z Delay
t47
RX_EN Assert to
Rcv MII Output
Active Delay
Limit
Typ
Max
±3.0
±13.5
25
105
Unit
Conditions
ns pk - 100 Mbits/s
pk
ns pk - 10 Mbits/s
pk
ms PLEDn programmed for activity
ms PLEDn programmed for activity
10
ns
40
ns
40
ns
Figure 5.4 Receive Timing, Start of Packet - 100 Mbits/s
MII 100 Mbits/s
TPI+/− DATA T R I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
I
t₃₂
CRS
t₃₉
t₃₈
RX_CLK
RX_DV
RX
RX
RX
RX
RX
RX
RX
RX
TX
TX
t₃₇
t₃₄
RXD[3:0]
DATA DATA DATA DATA DATA DATA DATA
FBI 100 Mbits/s
Same as MII 100 Mbits Except:
1. TX_ER converted to RXD4
2. RX_ER converted to TXD4
SMSC DS – LAN83C183
94
Rev. 12/14/2000