參數資料
型號: Am79C874
廠商: Advanced Micro Devices, Inc.
英文描述: NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver
中文描述: NetPHY - 1LP低功率10/100-TX/FX以太網收發(fā)器
文件頁數: 48/60頁
文件大?。?/td> 869K
代理商: AM79C874
48
Am79C874
P R E L I M I N A R Y
MII Signals
100 Mbps MII Transmit Timing
Figure 18.
100 Mbps MII Transmit Start of Packet Timing
Symbol
t
MTS100
t
MTH100
t
MTEJ100
t
MTECRH100
t
MTECOH100
t
MTDCRL100
t
MTDCOL100
t
MTIDLE100
t
MTP100
t
MTWH100
t
MTWL100
Parameter Description
TX_ER,TX_EN, TXD[3:0] Setup Time to TX_CLK Rising Edge
TX_ER, TX_EN, TXD[3:0] Hold time From TX_CLK Rising Edge
Transmit Latency TX_EN Sampled by TX_CLK to First Bit of /J/
CRS Assert From TX_EN Sampled HIGH
COL Assert From TX_EN Sampled HIGH
CRS De-assert From TX_EN Sampled LOW
COL De-assert From TX_EN Sampled LOW
Required De-assertion Time Between Packets
TX_CLK Period
TX_CLK HIGH
TX_CLK LOW
Min.
12
0
60
-
-
-
13
120
39.998
18
18
Max.
-
-
140
40
200
160
240
-
40.002
22
22
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
TX_CLK
TX_EN
t
MTS100
CRS
COL
TXD[3:0]
TX_ER
TX±
t
MTWH100
t
MTWL100
t
MTP100
t
MTECRH100
t
MTECOH100
t
MTEJ100
t
MTS100
t
MTH100
/J/
22235I-20
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相關代理商/技術參數
參數描述
AM79C874KC/W 制造商:未知廠家 制造商全稱:未知廠家 功能描述:LAN Transceiver
AM79C874VC 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP
AM79C874VD 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP
AM79C874VF 制造商:Advanced Micro Devices 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP 制造商:AMD (Advanced Micro Devices) 功能描述:PHY 1-CH 10Mbps/100Mbps 80-Pin TQFP