LAN91C111_11 Datasheet, PDF (123/133 Pages) SMSC Corporation – 10/100 Non-PCI Ethernet Single Chip MAC + PHY

10/100 Non-PCI Ethernet Single Chip MAC + PHY
Datasheet
AC TEST TIMING CONDITIONS
Unless otherwise noted, all test conditions are as follows:
1. VDD = 3.3V +/-5%
2. RBIAS = 11K +/- 1%, no load
3. Measurement Points:
4. TPO±, TPI±: 0.0 V During Data, ±0.3V at start/end of packet
5. All other inputs and outputs: 1.4 Volts
Table 14.1 Transmit Timing Characteristics
SYM PARAMETER
t30
Transmit Propagation Delay
LIMIT
MIN
60
t31
Transmit Output Jitter
t32
Transmit SOI Pulse Width to 250
0.3V
t33
Transmit SOI Pulse Width to
40mV
t34
LEDn Delay Time
t35
LEDn Pulse Width
80
TYP
MAX
140
600
±0.7
±5.5
4500
25
105
UNIT
nS
nS
nS pk-pk
nS pk-pk
nS
nS
mS
mS
CONDITIONS
100Mbps
10Mbps
100Mbps
10Mbps
10Mbps
10Mbps
100Mbps
TPO±
FXO±
IDLE
t ₃₀
IDLE
t
31
/J/K/
DATA
10Mbps
TPO±
LEDn
t30
t34
t31
PREAMBLE PREAMBLE
t35
DATA
TXEN Bit is Set
Figure 14.11 Transmit Timing
/T/R/
DATA
IDLE
t33
t32
SOI
SMSC LAN91C111 REV C
123
DATASHEET
Revision 1.92 (06-27-11)