MTD655 Datasheet, PDF (16/18 Pages) List of Unclassifed Manufacturers – 5 Port 10M/100M Hub With 2 port Switch

MYSON
TECHNOLOGY
MTD655
Symbol
Parameter
T23
Inter-Bus slave REQOUT asserted to
IACKB asserted propogation delay
Inter-Bus slave REQOUT deasserted
T24 to IACKB deasserted propogation
delay
Inter-Bus slave REQIN asserted to
T25 IACKB deasserted(ICOLB asserted)
propogation delay(SOJ)
Inter-Bus slave REQOUT deasserted
T26 to IACKB asserted(ICOLBdeas-
serted) propogation delay(EOJ)
Min.
5
5
5
5
Typ.
Max.
20
20
20
20
Unit Note
nS
2
nS
2
nS
2
nS
2
Note 2 : In 10M/100M Inter-Bus interface, T23-T26 have the same value.
FIGURE 7. MII Management timing
Input Timing
T27
MDC
MDIO
T28
T29
Valid
MDC
MDIO
Output Timing
T30
T31
Valid
Symbol
Parameter
T27 MDC clock cycle
T28 MDIO input setup time
T29 MDIO input hold time
T30 MDIO output setup time
T31 MDIO output hold time
Min.
10
10
182
206
Typ.
400
Max.
194
218
Unit Note
nS
nS
nS
nS
nS
16/18
MTD655 Revision 2.0 17/03/2000