SMSC LAN91C111 - Manual (Page 119)

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
SMSC LAN91C111 REV C 119 Revision 1.91 (08-18-08)
DATASHEET
Table 14.2 Receive Timing Characteristics
SYM PARAMETER
LIMIT
UNIT CONDITIONS
MIN TYP MAX
t36 Receive Input Jitter ±3.0 nS pk-pk 100Mbps
±13.5 nS pk-pk 10Mbps
t37 SOI Pulse Minimum Width
Required for Idle Detection 125 200 nS 10Mbps
Measure TPI± from last zero
cross to 0.3V point
Figure 14.12 Receive Timing, End of Packet - 10 MBPS
Table 14.3 Collision and Jam Timing Characteristics
SYM PARAMETER
LIMIT
UNIT CONDITIONS
MIN TYP MAX
t38 Rcv Packet Start to COL
Assert Time 200 nS 100Mbps
700 nS 10Mbps
300 nS 10Mbps
t39 Xmt Packet Start to COL
Assert Time 200 nS 100Mbps
700 nS 10Mbps
t40 Start of Packet to Transmit
JAM Packet Start During JAM 500 nS 100Mbps
1500 nS 10Mbps
t41 Xmt Packet Start to COL
Assert Time 200 nS 100Mbps
700 nS 10Mbps
TPI± DATA DATA DATA DATA DATA
t37
SOI
t36