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ELECTRICAL CHARACTERISTICS
227
6.7 AC Characteristics Measuring Conditions
1. Input/output signal
VIH
VIL
VIH
VIL
VOH
VOL
TEST POINT
V
OH
VOL
* The input signals in AC test mode are either VOH (logic “1”) orVOL (logic “0”).
Timing measurements are made atVIH (logic “1”) and VIL (10gic “0”).
2. Floating
VIH
VIL
VIH
VIL
VOH
VOL
VOH
VOL
Floating
* The port 0 floating interval is measured from the time the port 0 pin Voltage drops below
VIH after sinking to GND at 2.4mA when switching to floating status from a “1” output, and
from the time the port 0 pin Voltage exceeds VIL after connecting to a 400µA source when
switching to floating status from a “0” output.