Non-Multiplexed Bus Ac Characteristics - Dallas Semiconductor DS21354L Manual

21.2 Non-Multiplexed Bus AC Characteristics

AC CHARACTERISTICS – NON-MULTIPLEXED PARALLEL PORT (MUX = 0)
[See Figure 21-4 to Figure 21-7]
PARAMETER
Set Up Time for A0 to A7, Valid to
CS* Active
Set Up Time for CS* Active to
either RD*, WR*, or DS* Active
Delay Time from either RD* or DS*
Active to Data Valid
Hold Time from either RD*, WR*,
or DS* Inactive to CS* Inactive
Hold Time from CS* Inactive to
Data Bus 3–state
Wait Time from either WR* or DS*
Active to Latch Data
Data Set Up Time to either WR* or
DS* Inactive
Data Hold Time from either WR* or
DS* Inactive
Address Hold from either WR* or
DS* inactive
(0° ° ° ° C to 70° ° ° ° C; V
0° ° ° ° C to 70° ° ° ° C; V
-40° ° ° ° C to +85° ° ° ° C; V
-40° ° ° ° C to +85° ° ° ° C; V
SYMBOL MIN
t1 0
t2 0
t3
t4 0
t5 5
t6 75
t7 10
t8 10
t9 10
107 of 117
= 3.3V ± ± ± ± 5% for DS21354L;
DD
= 5.0V ± ± ± ± 5% for DS21554L;
DD
= 3.3V ± ± ± ± 5% for DS21354LN;
DD
= 5.0V ± ± ± ± 5% for DS21554LN)
DD
TYP MAX UNITS
75
20
DS21354 & DS21554
NOTES
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