
S1D13600 Series
1–14
EPSON
Rev. 2.3
7. AC CHARACTERISTICS
Conditions: VDD = 3.3 V, Ta = 0
°C to 70°C unless otherwise specified
Tr, Tf for all inputs must be –10 ns (10% to 90%)
CL = 10 pF (SRAM Interface)
CL = 20 pF (LCD Interface)
A single 1.5 V threshold voltage is used for the A.C. measurements.
CPU Interface Timing
Table 13. CPU Interface Timing
Parameter
Symbol
Min.
Typ.
Max.
Units
“
CS” period
tcycCS
tcycE
ns
“
CS” LOW pulse width
tlCS
170
ns
“
CS” HIGH pulse width
thCS
100
ns
“DT/
CM” setup to “CS”
tdsu1
20
ns
“DT/
CM” hold from “CS”
tdh1
0ns
“D [0:7]” setup to “
CS”
tdsu2
70
ns
“D [0:7]” hold from “
CS”
tdh2
0ns
Figure 5. CPU Interface Timing
Valid
DT/CM
CS
D[0:7]
Write Data
Invalid
Valid
tdsu1
tdh1
tdh2
tcycCS
thCS
tlCS
tdsu2