Specifications
ASIX ELECTRONICS CORPORATION
38
AX88772
USB to 10/100 Fast Ethernet/HomePNA Controller
8.4.4 Station Management Timing
MDC
MDIO (as output)
MDIO (as input)
Symbol Description Min Typ Max Units
Tclk MDC clock cycle time - 666 - ns
Tch MDC clock high time - 333 - ns
Tcl MDC clock low time - 333 - ns
Tod MDC clock falling edge to MDIO output delay 0 - 2 ns
Ts MDIO data input setup time 10 - - ns
Th MDIO data input hold time 0 - - ns
8.4.5 Serial EEPROM Timing
EECK
EEDI (output)
EECS
EEDO (input)
Symbol Description Min Typ Max Units
Tclk EECK clock cycle time - 5333 - ns
Tch EECK clock high time - 2666 - ns
Tcl EECK clock low time - 2666 - ns
Tdv EEDI output valid to EECK rising edge time 2666 - - ns
Tod EECK rising edge to EEDI output delay time 2666 - - ns
Tscs EECS output valid to EECK rising edge time 2666 - - ns
Thcs EECK falling edge to EECS invalid time 0 - - ns
Tlcs Minimum EECS low time 23904 - - ns
Ts EEDO input setup time 20 - - ns
Th EEDO input hold time 10 - - ns
Tch
Tclk
Tcl
VALID
VALID
Tdv
Tod
Tscs
Thcs
Tlcs
Th
DATA VALID
Ts
Tod
Tcl
k
Ts
Th
Tch
Tcl










