參數(shù)資料
型號: AM79C874VC
廠商: ADVANCED MICRO DEVICES INC
元件分類: 網(wǎng)絡接口
英文描述: NetPHY-1LP Low Power 10/100-TX/FX Ethernet Transceiver
中文描述: DATACOM, ETHERNET TRANSCEIVER, PQFP80
封裝: 12 X 12 MM, PLASTIC, MO-136BAM, TQFP-80
文件頁數(shù): 54/60頁
文件大?。?/td> 869K
代理商: AM79C874VC
54
Am79C874
P R E L I M I N A R Y
10 Mbps MII Receive Timing
Figure 24.
10 Mbps MII Receive Start of Packet Timing
Symbol
t
MRPCRH10
t
MRPCOH10
Parameter Description
CRS HIGH After Start of Packet
COL HIGH After Start of Packet
RXD[3:0], RX_DV, RX_ER Valid after CRS HIGH
RXD[3:0], RX_DV, RX_ER Valid Prior to the Rising of RX_CLK10
RXD[3:0], RX_DV, RX_ER Valid After the Rising Edge of RX_CLK
End of Packet to CRS LOW
End of Packet to COL LOW
End of Packet to RXD[3:0], RX_DV, RX_ER De-Asserting (Going
LOW)
Min.
80
80
100
16
12
130
125
Max.
150
150
100
-
-
190
185
Unit
ns
ns
ns
ns
ns
ns
ns
tMRCHR10
t
MRRC10
t
MRCRD10
t
MRECRL10
t
MRECOL10
t
MRERL10
120
140
ns
RX±
CRS
COL
RX_DV
RX_ER
RX_CLK
RXD[3:0]
tMRPCRH10
tMRRC10
tMRCR10
tMRPCOH10
tMRCHR10
22235I-26
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