Holtek HT46R47 - Page 22

Symbol Parameter
Test Conditions
Min. Typ. Max. Unit
V
DD
Conditions
V
IL1
Input Low Voltage for I/O Ports,
TMR, TMR0, TMR1, INT
¾¾
0
¾
0.3V
DD
V
V
IH1
Input High Voltage for I/O Ports,
TMR, TMR0, TMR1, INT
¾¾
0.7V
DD
¾
V
DD
V
V
IL2
Input Low Voltage (RES)
¾¾
0
¾
0.4V
DD
V
V
IH2
Input High Voltage (RES)
¾¾
0.9V
DD
¾
V
DD
V
V
LVR
Low Voltage Reset
¾¾
2.7 3 3.3 V
I
OL
I/O Port Sink Current
3V
V
OL
=0.1V
DD
48
¾
mA
5V
V
OL
=0.1V
DD
10 20
¾
mA
I
OH
I/O Port Source Current
3V
V
OH
=0.9V
DD
-2 -4 ¾
mA
5V
V
OH
=0.9V
DD
-5 -10 ¾
mA
R
PH
Pull-high Resistance
3V
¾
20 60 100
kW
5V
¾
10 30 50
kW
V
AD
A/D Input Voltage
¾¾
0
¾
V
DD
V
E
AD
A/D Conversion Integral
Non-Linearity Error
¾¾ ¾±0.5 ±1
LSB
I
ADC
Additional Power Consumption
if A/D Converter is Used
3V
¾
¾
0.5 1 mA
5V
¾
1.5 3 mA
Chapter 1 Hardware Structure
13