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LAN91C111 Datasheet(PDF) 110 Page - Microchip Technology

Part # LAN91C111
Description  10/100 Non-PCI Ethernet Single Chip MAC PHY
PDF  125 Pages
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Manufacturer  MICROCHIP [Microchip Technology]
Direct Link  http://www.microchip.com
Logo MICROCHIP - Microchip Technology

LAN91C111 Datasheet(HTML) 110 Page - Microchip Technology

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 2011-2016 Microchip Technology Inc.
DS00002276A-page 111
LAN91C111
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
FIGURE 14-10:
MII TIMING
Parameter
MIN
TYP
MAX
Units
t27
TXD0-TXD3, TXEN100 Delay from TX25 Rising
0
15
ns
t28
RXD0-RXD3, RX_DV, RX_ER Setup to RX25 Rising
10
ns
t29
RXD0-RXD3, RX_DV, RX_ER Hold After RX25 Rising
10
ns
TABLE 14-1:
TRANSMIT TIMING CHARACTERISTICS
SYM
Parameter
Limit
Unit
Condition
MIN
TYP
MAX
t30
Transmit Propagation Delay
60
140
nS
100Mbps
600
nS
10Mbps
t28
t28
t28
t27
t27
t29
t29
TXD0-TXD3
TXEN100
RXD0-RXD3
RX25
RX_DV
RX_ER



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