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AM79C873 Datasheet(PDF) 36 Page - Advanced Micro Devices

Part # AM79C873
Description  NetPHY??-1 10/100 Mbps Ethernet Physical Layer Single-Chip Transceiver with 100BASE-FX Support
PDF  44 Pages
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Manufacturer  AMD [Advanced Micro Devices]
Direct Link  http://www.amd.com
Logo AMD - Advanced Micro Devices

AM79C873 Datasheet(HTML) 36 Page - Advanced Micro Devices

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36
Am79C873
PRELIMINARY
Auto-Negotiation and Fast Link Pulse Timing
Figure 9.
Auto-Negotiation and Fast Link Pulse Timing Diagram
Auto-Negotiation and Fast Link Pulse Timing Parameters
MII 10BASE-T Nibble Transmit Timing
Figure 10.
MII 10BASE-T Nibble Transmit Timing Diagram
MII-10BASE-T Nibble Transmit Timing Parameters
Symbol
Parameter
Conditions
Min
Typical
Max
Unit
t1
Clock/Data Pulse Width
-
100
-
ns
t2
Clock Pulse To Data Pulse Period
DATA = 1
-
62.5
-
us
t3
Clock Pulse To Clock Pulse Period
-
125
-
us
t4
FLP Burst Width
-
2
-
ms
t5
FLP Burst To FLP Burst Period
-
13.93
-
ms
-
Clock/Data Pulses Per Burst
33
33
33
ea
Fast Link
Pulses
Clock Pulse
Data Pulse
Clock Pulse
t1
t4
t5
t2
t3
FLP Burst
FLP Burst
10TX0
±
22164A-11
TX_CLK
tTXh
t2
tTXS
tTXpd
TXD [0:3],
TX_EN, TX_ER
CRS
10TX
±
t1
22164A-12
Symbol
Parameter
Conditions
Min
Typical
Max
Unit
tTXs
TXD[0:3), TX_EN, TX_ER Setup To
TX_CLK High
11
-
-
ns
tTXh
TXD[0:3], TX_EN, TX_ER Hold From
TX_CLK High
0-
-
ns
t1
TX_EN Sampled To CRS Asserted
-
2
4
BT
t2
TX_EN Sampled To CRS De-asserted
-
15
20
BT
tTXpd
TX_EN Sampled To 10TXO Out (Tx
Latency)
-2
4
BT



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