AM79C874VC AMD (ADVANCED MICRO DEVICES), AM79C874VC Datasheet - Page 54

• Manufacturer Part Number: AM79C874VC
• Manufacturer: AMD (ADVANCED MICRO DEVICES)

Specifications of AM79C874VC

• Lead Free Status / RoHS Status: Not Compliant

54
Symbol
t
t
tMRCHR10
t
t
t
t
t
MRPCRH10
MRPCOH10
MRRC10
MRCRD10
MRECRL10
MRECOL10
MRERL10
RXD[3:0]
RXD[3:0]
RX_CLK
RX_CLK
RX_ER
RX_DV
RX_ER
RX_DV
CRS
CRS
RX±
COL
RX±
COL
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)
t MRPCRH10
t MRPCOH10
Figure 24. 10 Mbps MII Receive Start of Packet Timing
Figure 25. 10 Mbps MII Receive End of Packet Timing
t MRCHR10
Table 37. 10 Mbps MII Receive Timing
t MRECOL10
t MRECRL10
D A T A
Am79C874
t MRERL10
t MRRC10
S H E E T
t MRCR10
Min.
100
130
125
120
80
80
16
12
Max.
150
150
100
190
185
140
-
-
22236G-26
22236G-27
22235K
Unit
ns
ns
ns
ns
ns
ns
ns
ns