KS8721BL Micrel Inc, KS8721BL Datasheet - Page 29

• Manufacturer Part Number: KS8721BL
• Description: Special Function IC
• Manufacturer: Micrel Inc
• Type: Transceiverr

Specifications of KS8721BL

• Leaded Process Compatible: No
• Peak Reflow Compatible (260 C): No
• Number Of Drivers/receivers: 1/1
• Protocol: MII, RMII
• Voltage - Supply: 2.375 V ~ 2.625 V
• Mounting Type: Surface Mount
• Package / Case: 48-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• For Use With: 576-1007 - BOARD EVAL EXPERIMENT KS8721BL
• Lead Free Status / RoHS Status: Not Compliant, Contains lead / RoHS non-compliant

Symbol
May 2004
KS8721BL/SL
t
t
t
t
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
MDI O
(Into Ch ip)
MDI O
(Out of Chip)
Figure 8. Serial Management Interface Timing
Table 7. Serial Management Interface Timing
t
MD1
Valid
Data
t
t
MD2
MD3
t
P
29
Valid
Valid
Data
Data
Min
10
10
Typ
400
222
M9999-051704
Max
Micrel
Units
ns
ns
ns
ns