KS8721SL-EVAL Micrel Inc, KS8721SL-EVAL Datasheet - Page 41

• Manufacturer Part Number: KS8721SL-EVAL
• Description: BOARD EVAL EXPERIMENT KS8721SL
• Manufacturer: Micrel Inc

Specifications of KS8721SL-EVAL

• Main Purpose: Interface, Ethernet Controller (PHY and MAC)
• Embedded: No
• Utilized Ic / Part: KSZ8721SL
• Primary Attributes: 1 Port, 100BASE-TX/100BASE-FX/10BASE-T
• Secondary Attributes: MII, RMII, Auto MDI, MDIX, >130 Meter Cable Driver, LDO, IEEE802.3u Compliant
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 576-1010

KS8721BL/SL (3.3V Single Power Supply 10/100BaseTX/FX MII Physical Layer Transceiver)
Serial Management Interface Timing
MDC
MDIO
(Into Chip)
MDIO
(Out of Chip)
t
t
t
t
P
MD1
MD2
MD3
MDC period
MDIO Setup to MDC (MDIO as input)
MDIO Hold after MDC (MDIO as input)
MDC to MDIO Valid (MDIO as output)
t
MD1
Valid
Data
t
t
MD2
MD3
- 41 -
t
P
KS8721BL/SL Preliminary Rev 0.90
Valid
Valid
Data
Data
min.
10ns
10ns
typ.
400 ns
222ns
Aug, 2003
max.