AM79C874VC AMD (ADVANCED MICRO DEVICES), AM79C874VC Datasheet - Page 51

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

Specifications of AM79C874VC

• Lead Free Status / RoHS Status: Not Compliant

22235K
Symbol
t
t
t
t
t
t
t
t
MRJCRH100
MRJCOH100
MRTCRL100
MRTCOL100
MRERL100
MRJRA100
MRRDC100
MRCRD100
RXD[3:0]
RXD[3:0]
RX_CLK
RX_CLK
RX_ER
RX_DV
RX_DV
RX_ER
RX±
CRS
COL
CRS
COL
RX±
Parameter Description
CRS HIGH After First Bit of /J/
COL HIGH After First Bit of /J/
First Bit of /T/ to CRS LOW
First Bit of /T/ to COL LOW
First Bit of /T/ to RXD[3:0], RX_DV De-Asserting (Going LOW)
First Bit of/J/ to RXD[3:0], RX_DV, and RX_EN Active
RXD[3:0], RX_DV, RX_ER valid prior to the Rising Edge of
RX_CLK
RXD[3:0], RX_DV, RX_ER valid after the Rising Edge of RX_CLK
t MRJCOH100
t MRTCOL100
t MRJCRH100
t MRTCRL100
Figure 20. 100 Mbps MII Receive Start of Packet Timing
Figure 21. 100 Mbps MII Receive End of Packet Timing
/T/R/
/J/K/
Table 35. 100 Mbps MII Receive Timing
t MRERL100
D A T A
t MRJRA100
t MRRDC100
S H E E T
Am79C874
t MRCRD100
Min.
TBD
130
130
120
80
10
10
-
Max.
TBD
200
150
240
240
140
22236G-23
22236G-22
Unit
ns
ns
ns
ns
ns
ns
ns
ns
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