Datasheet

DS21352/DS21552
127 of 137
24.2 NON-MULTIPLEXED BUS AC CHARACTERISTICS
AC CHARACTERISTICS –
NON-MULTIPLEXED PARALLEL PORT
(MUX = 0)
[See Figure 24-4 to Figure 24-7]
(0°C to 70°C; V
DD
= 3.3V ± 5% for DS21352L;
0°C to 70°C; V
DD
= 5.0V ± 5% for DS21552L;
-40°C to +85°C; V
DD
= 3.3V ± 5% for DS21352LN;
-40°C to +85°C; V
DD
= 5.0V ± 5% for DS21552LN)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Set Up Time for A0 to A7,
Valid to CS* Active
t1 0 ns
Set Up Time for CS* Active
to either RD*, WR*, or DS*
Active
t2 0 ns
Delay Time from either RD*
or DS* Active to Data Valid
t3 75 ns
Hold Time from either RD*,
WR*, or DS* Inactive to
CS* Inactive
t4 0 ns
Hold Time from CS*
Inactive to Data Bus 3–state
t5 5 20 ns
Wait Time from either WR*
or DS* Active to Latch Data
t6 75 ns
Data Set Up Time to either
WR* or DS* Inactive
t7 10 ns
Data Hold Time from either
WR* or DS* Inactive
t8 10 ns
Address Hold from either
WR* or DS* inactive
t9 10 ns