am79c901a Advanced Micro Devices, am79c901a Datasheet - Page 82

• Manufacturer Part Number: am79c901a
• Description: Homephy Single-chip 1/10 Mbps Home Networking Phy
• Manufacturer: Advanced Micro Devices

AC CHARACTERISTICS (CONTINUED)
MDC/MDIO
82
No.
79
80
81
82
83
84
85
Symbol
t
t
t
PWH
PWL
t
PER
PD
t
t
t
H
S
Z
MDC period
MDC pulse width HIGH
MDC pulse width LOW
MDIO output delay from MDC
MDIO input setup time to MDC
MDIO input hold time from MDC
MDC to high impedance
MDIO
MDC
Figure 16. MII Management Timing
Parameter Description
79
P R E L I M I N A R Y
83
edge
edge
84
Am79C901A
edge
80
82
85
81
Min
400
160
160
0
8
8
5
Max
300
40
–
–
–
–
–
22304B-40
Unit
ns
ns
ns
ns
ns
ns
ns