Ac Characteristics - Renesas H8S Series Hardware Manual

22.1.3

AC Characteristics

Figure 22-3 show, the test conditions for the AC characteristics.
LSI output pin
Rev.6.00 Oct.28.2004 page 684 of 1016
REJ09B0138-0600H
The chip
Port
Figure 22-1 Darlington Pair Drive Circuit (Example)
The chip
Ports 1, A to C
Figure 22-2 LED Drive Circuit (Example)
C R
H
Figure 22-3 Output Load Circuit
2 kΩ
Darlington Pair
600 Ω
LED
5 V
R
L
C = 90 pF: Ports 1, A to F
C = 30 pF: Ports 2, 3, 5, 6, G
R = 2.4 kΩ
L
R = 12 kΩ
H
I/O timing test levels
• Low level: 0.8 V
• High level: 2.0 V