AC Timing Specifications
91
PROM Interface Timing Specifications
The PROM interface timing is shown in Figure 22 and described in Table 47.
Figure 22 PROM Interface Timing Diagram
Cycle 2
Cycle 3
Cycle 4
Cycle 5
Cycle 1
SPCK
SPDI
T
spc
T
T
spih
spis
SPLD
SPDO
T
splo
T
spdo
Table 47 PROM Interface Timing Description
SYMBOL PARAMETER MIN TYP
SPCK Cycle Time 40.0
MAX
UNIT
ns
Tspc
Tspis
Tspih
Tsplo
Tspdo
SPDI Setup
SPDI Hold
10.0
0.0
ns
ns
SPLD Output
SPDO Output
Tsc
Tsc
Tsc + 3.0
Tsc + 3.0
ns
ns
03