KS8993F-A1 Micrel Inc, KS8993F-A1 Datasheet - Page 95

• Manufacturer Part Number: KS8993F-A1
• Description: IC CONV MED 10/100 3PORT 128PQFP
• Manufacturer: Micrel Inc

Specifications of KS8993F-A1

• Applications: *
• Mounting Type: Surface Mount
• Package / Case: 128-MQFP, 128-PQFP
• For Use With: KS8993F-EVAL - EVAL KIT EXPERIMENTAL KS8993F
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

KS8993F
6.3.4 MDC/MDIO Timing
August 26, 2004
MDC
MDIO
(Into Chip)
MDIO
(Out of Chip)
t
t
t
t
t
t
P
WL
WH
MD1
MD2
MD3
MDC period
MDC pulse width
MDC pulse width
MDIO Setup to MDC (MDIO as input)
MDIO Hold after MDC (MDIO as input)
MDC to MDIO Valid (MDIO as output)
Figure 22: MDC/MDIO Timing for MIIM and SMI Interfaces
t
MD1
Valid
Data
t
WL
t
t
MD2
MD3
- 95 -
t
P
t
WH
Valid
Valid
Data
Data
min.
60ns
40%
40%
10ns
10ns
0ns
typ.
max.
60%
60%
20ns
Revision 1.0
Micrel