MX98726EC Datasheet, PDF (45/56 Pages) Macronix International – SINGLE CHIP 10/100 FAST ETHERNET CONTROLLER WITH uP INTERFACE

7.0 Timing Diagram and AC specification
MX98726EC
SYMBOL PARAMETER
tlp
tas
tah
trp
twp
trd
tdhr
tlrw
trwl
tdw
tdhw
Ale pulse duration
Address set-up time to ale
Address hold time after ale
RD pulse duration
WR pulse duration
RD to valid data input
Data hold time after RD
Time from ale to RD or WR
Time from RD or WR high to ale high
Data valid to WR transition
Data hold time after WR
12MHZ
MIN. MAX.
25 -
3
-
5
-
38 -
38 -
-
20
0
-
50 -
10 -
5
-
0
-
16MHZ
24MHZ
40MHZ
UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
25 -
25 -
25 -
ns
3
-
3
-
3
-
ns
5-
5
-
5
-
ns
38 -
38 -
38 -
ns
38 -
38 -
38 -
ns
-
20 -
20 -
20 ns
0
-
0
-
0
-
ns
50 -
50 -
50 -
ns
10 -
10 -
10 -
ns
5
-
5
-
5
-
ns
0
-
0
-
0
-
ns
P/N:PM0729
REV. 1.1, MAY. 28, 2001
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