3 mdio ac timing, Figure 43. mdio write timing diagram, Figure 44. mdio read timing diagram – Intel IXF1104 User Manual
Page 146: Table 52. mdio timing parameters, Mdio ac timing, Mdio write timing diagram, Mdio read timing diagram, Mdio timing parameters, Table 52 “mdio, Figure 44
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Intel
®
IXF1104 4-Port Gigabit Ethernet Media Access Controller
Datasheet
146
Document Number: 278757
Revision Number: 009
Revision Date: 27-Oct-2005
7.6.3
MDIO AC Timing
Figure 43. MDIO Write Timing Diagram
Figure 44. MDIO Read Timing Diagram
Table 52. MDIO Timing Parameters
Parameter
Symbol
Min
Typ
1
Max
Units
Test Conditions
MDIO Setup before MDC.
t1
10
–
–
ns
MDC = 17.8 MHz
10
–
–
ns
MDC = 2.5 MHz
MDIO Hold after MDC.
t2
10
–
–
ns
MDC = 17.8 MHz
10
–
–
ns
MDC = 2.5 MHz
MDC to MDIO Output delay
t3
0
–
42
ns
MDC = 17.8 MHz
0
–
300
ns
MDC = 2.5 MHz
1. Typical values are at 25
o
C and are for design aid only; not guaranteed and not subject to production
testing.
t1
MDC
MDIO
t2
V
MAX
V
MIN
t3
MDC
MDIO
V
MA X
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