MC6805U2 AND MC6805U3
11.5.3 Port
Electrical Characteristics (VCC=
+5.25
Vdc ±O.5 Vdc, VSS=O Vdc,
TA=TL
to
TH
unless otherwise noted)
Characteristic
Symbol I
Min Typ
Max Unit
Port A with
CMOS drive enabled
Output Low Voltage ILoad= 1.6
mA
VOL
-
-
0.4 V
Output
High Voltage ILoad=
-100
I'A
VOH
2.4
- -
V
Output
High Voltage I Load =
-10
I'A
VOH
VCC-l.0
- -
V
Input
High Voltage ILoad=
-300
I'A
(max)
VIH
2.0
-
VCC
V
Input
Low Voltage I Load =
-500
I'A
(max)
VIL VSS
-
0.8 V
Hi-Z State Input Current
(Vin=2.0
V to
VCC)
IIH
-
-
-300
I'A
Hi-Z State Input Current (Vin = 0.4
V)
IlL
- -
-500
p.A
Port B
Output Low Voltage
ILoad=3.2
mA
VOl
- -
0.4 V
Output
Low Voltage ILoad=
10
mA
(sink)
VOL
- -
1.0 V
Output
High Voltage ILoad=
-200
I'A
VOH
2.4
-
-
V
Darlington Current Drive (Source)
VO=
1.5 V
10H
-1.0
-
-10
mA
Input High Voltage
VIH
2.0
-
Vr:r:
V
Input
Low Voltage
VIL VSS
-
0.8 V
Hi-Z State Input Current
ITSI
-
<2
10
I'A
Port C and Port A with CMOS drive disabled!
Output
Low Voltage ILoad = 1.6
mA
VOL
- -
0.4 V
Output
High Voltage ILoad=
-100
I'A
\IoH
2.4
- -
V
Input
High Voltage
VIH
2.0
-
VCC
V
Input
Low Voltage
VIL
VSS
- 0.8
V
Hi-Z State Input Current
ITSI
-
<2
10
I'A
Port C (Open-Drain Option)
Input
High Voltage
VIH
2.0
-
13.0
V
Input
Low Voltage
VIL
VSS
-
0.8 V
Input
Leakage Current (Vin = 13.0
V)
ILOD
-
<3
15
I'A
Output Low Voltage ILoad= 1.6
mA
VOL
-
-
0.4 V
Input
High Voltage
VIH
2.0
-
VCC
V
Input
Low Voltage
VIL VSS
-
0.8 V
Input Current
lin
-
<1
5
I'A
11-7