Datasheet
DS21348/DS21Q348
67 of 76
Table 11-2. AC Characteristics—Nonmultiplexed Parallel Port
(BIS1 = 0, BIS0 = 1)
(V
DD
= 3.3V ± 5%, T
A
= -40°C to +85°C.) (See Figure 11-4, Figure 11-5, Figure 11-6, and
Figure 11-7.)
PARAMETER SYMBOL MIN TYP MAX UNITS NOTES
Setup Time for A0 to A4, Valid to CS
Active
t1 0 ns
Setup 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
Tri-State
t5 5 20 ns
Wait Time from Either WR or DS Active
to Latch Data
t6 75 ns
Data Setup 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










