KS8721BT-EVAL Micrel Inc, KS8721BT-EVAL Datasheet - Page 28

• Manufacturer Part Number: KS8721BT-EVAL
• Description: BOARD EVAL EXPERIMENT KS8721BT
• Manufacturer: Micrel Inc

Specifications of KS8721BT-EVAL

• Main Purpose: Interface, Ethernet PHY
• Embedded: No
• Utilized Ic / Part: KSZ8721BT
• Primary Attributes: 1 Port, 100BASE-TX/100BASE-FX/10BASE-T
• Secondary Attributes: MII, RMII, Auto MDI, MDIX, >130 Meter Cable Driver, IEEE802.3u Compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 576-1009

KS8721B/BT
Symbol
t
t
t
t
M9999-041405
P
MD1
MD2
MD3
Parameter
MDC Period
MDIO Set-Up to MDC (MDIO as input)
MDIO Hold after MDC (MDIO as input)
MDC to MDIO Valid (MDIO as output)
MDC
MDIO
(Into Chip)
MDIO
(Out of Chip)
Figure 8. Serial Management Interface Timing
Table 6. Serial Management Interface Timing
t
MD1
Valid
Data
t
t
MD2
MD3
t
P
28
Valid
Valid
Data
Data
Min
10
10
Typ
400
222
Max
Micrel, Inc.
April 2005
Units
ns
ns
ns
ns