S i M 3 U 1 x x
30
Preliminary Rev. 0.8
Table 3.18. Port I/O
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Standard I/O (PB0, PB1, and PB2) and 5 V Tolerant I/O (PB3)
Output High Voltage
V
OH
Low Drive, I
OH
= –2 mA
V
IO
– 0.7
—
—
V
High Drive, I
OH
= –5 mA
V
IO
– 0.7
—
—
V
Output Low Voltage
V
OL
Low Drive, I
OL
= 3 mA
—
—
0.6
V
High Drive,
I
OL
= 12.5 mA
—
—
0.6
V
Output Rise Time
t
R
C = TBD
TBD
—
TBD
ns
Output Fall Time
t
F
C = TBD
TBD
—
TBD
ns
Input High Voltage
V
IH
1.8 <= V
IO
<= 2.0
0.7 x V
IO
—
—
V
2.0 <= V
IO
<= 3.6
V
IO
– 0.6
—
—
V
Input Low Voltage
V
IL
—
—
0.6
V
Pin Capacitance
C
IO
PB0, PB1 and PB2 Pins
—
4
—
pF
PB3 Pins
—
7
—
pF
Weak Pull-Up Current
(V
IN
= 0 V)
I
PU
V
IO
= 1.8
–6
–3.5
–2
µA
V
IO
= 3.6
–30
–20
–10
µA
Input Leakage
(Pullups off or Analog)
I
LK
0 < V
IN
< V
IO
–1
—
1
µA
Input Leakage Current of Port
Bank 3 I/O, V
IN
above V
IO
I
L
V
IO
< V
IN
< V
IO
+2.0 V
(pins without EXREG
functions)
0
5
150
µA
V
IO
< V
IN
< V
REGIN
(pins with EXREG
functions)
0
5
150
µA
High Drive I/O (PB4)
Output High Voltage
V
OH
Standard Mode, Low
Drive, I
OH
= -3mA
V
IOHD
– 0.7
—
—
V
Standard Mode, High
Drive, I
OH
= -10mA
V
IOHD
– 0.7
—
—
V
Output Low Voltage
V
OL
Standard Mode, Low
Drive, I
OH
= 3mA
—
—
0.6
V
Standard Mode, High
Drive, I
OH
= 12.5mA
—
—
0.6
V
Output Rise Time
t
R
Slew Rate Mode 0,
V
IOHD
= 5V
—
50
—
ns
Slew Rate Mode 1,
V
IOHD
= 5V
—
300
—
ns
Slew Rate Mode 2,
V
IOHD
= 5V
—
1
—
µs
Slew Rate Mode 3,
V
IOHD
= 5V
—
3
—
µs