Electrical Characteristics
MFR4310 Reference Manual, Rev. 2
244 Freescale Semiconductor
A.1.9 I/O Characteristics
This section describes the characteristics of all 3.3V I/O pins. All parameters are not always applicable,
e.g. not all pins feature pullup/pulldown resistances.
Table A-6. 5V I/O Characteristics (V
DD5
= 5V)
Conditions are shown in Figure A-4, unless otherwise noted.
Num C Rating Symbol Min Typ Max Unit
1 P Input High Voltage V
IH
0.65*V
DD5
--V
T Input High Voltage V
IH
--V
DD5
+0.3 V
2 P Input Low Voltage V
IL
- - 0.35*V
DD5
V
T Input Low Voltage V
IL
V
SS5
-0.3 - - V
3 C Input Hysteresis V
HYS
-250-mV
4 P High Impedance (Off-state) Leakage Current
V
IN
=V
DD
or V
SS
, all input/output and output pins
I
IN
-2.5 - +2.5 uA
5 P Output High Voltage (pins in output mode)
@50% Partial Drive I
OH
= -2mA
V
OH
V
DD5
-0.8 - - V
6 P Output High Voltage (pins in output mode)
@100% Full Drive I
OH
= -10mA
V
OH
V
DD5
-0.8 - - V
7 P Output Low Voltage (pins in output mode)
@50% Partial Drive I
OL
= +2mA
V
OL
--0.8V
8 P Output Low Voltage (pins in output mode)
@100% Full Drive I
OL
= +10mA
V
OL
--0.8V
9 P Internal Pullup Device Current,
tested at V
IL
Max
I
PUL
- - -130 uA
10 P Internal Pullup Device Current,
tested at V
IH
Min.
I
PUH
-10 - - uA
11 P Internal Pulldown Device Current,
tested at V
IH
Min.
I
PDH
--130uA
12 P Internal Pulldown Device Current,
tested at V
IL
Max
I
PDL
10 - - uA
13 d Input Capacitance (input, input/output
pins)
C
IN
-7-pF
14 T Injection Current
1
1
Refer to Section A.1.4, “Current Injection”, for more information.
mA
Single Pin Limit I
ICS
-2.5 - 2.5
Total Device Limit. Sum of all injected currents I
ICP
-25 - 25
15 P Load Capacitance
50% Partial Drive
100% Full Drive
C
L
--
25
50
pF