13.
14.
7. AC Characteristics
Table 7-1. AC Characteristics
Symbol
t1
t2
t3
t4
t5
t6
t7
t8
Parameter
X1 ↑ to X2 ↓
X1 ↓ to X2 ↑
RESET/DACK0-3#/AEN/SA15-12
change state to RAD0-2 ↑
RESET/DACK0-3#/AEN/SA15-12
change state to RAD0-2 ↓
UIF4 ↓ to DTR1/2, RTS1/2, TX1/2 ↑
UIF4 ↓ to DTR1/2, RTS1/2, TX1/2 ↓
UIF4 ↑ to UIF1,UIF2 ↑
UIF4 ↑ to UIF1,UIF2 ↓
Min.
Typ.
20
25
50
40
100
95
60
50
Max.
30
40
70
60
120
110
80
80
Unit
ns
ns
ns
ns
ns
ns
ns
ns
X1
X2
t1
t2
IT8687R
RESET
DACK0-3#
AEN
SA15~12
RAD0-2
t3
t4
6