Product data

71
600 Ω
This chip
Ports 1 to 3
LED
Figure 22.2 LED Drive Circuit (Example)
22.2.3 AC Characteristics
Figure 22.3 shows the test conditions for the AC characteristics.
C
Chip output
pin
R
H
R
L
C = 30 pF: All ports
R
L
= 2.4 kΩ
R
H
= 12 kΩ
I/O timing test levels
• Low level: 0.8 V
• High level: 2.0 V
V
CC
Figure 22.3 Output Load Circuit