10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
Table 14.2 Receive Timing Characteristics
LIMIT
MIN
SYM
PARAMETER
UNIT
CONDITIONS
TYP
MAX
t36
Receive Input Jitter
±3.0
±13.5
200
nS pk-pk
nS pk-pk
nS
100Mbps
10Mbps
t37
SOI Pulse Minimum Width
Required for Idle Detection
125
10Mbps
Measure TPI± from last zero
cross to 0.3V point
t
36
DATA
DATA DATA DATA DATA
TPI±
SOI
t
37
Figure 14.12 Receive Timing, End of Packet - 10 MBPS
Table 14.3 Collision and Jam Timing Characteristics
LIMIT
MIN
SYM
PARAMETER
UNIT
CONDITIONS
TYP
MAX
t38
Rcv Packet Start to COL
Assert Time
200
700
300
200
700
500
1500
200
700
nS
nS
nS
nS
nS
nS
nS
nS
nS
100Mbps
10Mbps
10Mbps
100Mbps
10Mbps
100Mbps
10Mbps
100Mbps
10Mbps
t39
t40
t41
Xmt Packet Start to COL
Assert Time
Start of Packet to Transmit
JAM Packet Start During JAM
Xmt Packet Start to COL
Assert Time
Revision 1.8 (07-13-05)
134
SMSC LAN91C111-REV B
DATASHEET
SMSC [ SMSC CORPORATION ]
