8101 Datasheet, PDF (151/172 Pages) LSI Computer Systems – Gigabit Ethernet Controller

Table 6.4 Receive System Interface Timing Characteristics
Symbol Parameter
t31 RXENn setup time
t32 RXENn hold time
t33 RXENn deassert time
RXD, RXBE, RXSOF,
RXEOF, and RXWM
t34 delay time
RXD, RXBE, RXSOF,
RXEOF, and RXWM
t35 rise/fall time
t41 RXABORT setup time
t42 RXABORT hold time
RXABORT assert to
t43 RXWM deassert delay
RXOEn deassert to data
t46 High-Z delay
RXOEn assert to data
t47 active delay
Limit
Min
Typ
Max
5
1
3 SCLK
cycles
Unit Conditions
ns
ns
ns
0
8
ns
4
ns
5
ns
0
ns
1 SCLK
cycles
0
+ 8 ns
ns
0
15
ns
0
15
ns
Note: Refer to Figure 6.3–Figure 6.5 for timing diagrams.
AC Electrical Characteristics
6-7
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