Information
5.2.3 Voltage and current operating behaviors
Table 4. Voltage and current operating behaviors
Symbol Description Min. Max. Unit Notes
V
OH
Output high voltage — high drive strength
• 2.7 V ≤ V
DD
≤ 3.6 V, I
OH
= - 9 mA
• 1.71 V ≤ V
DD
≤ 2.7 V, I
OH
= -3 mA
V
DD
– 0.5
V
DD
– 0.5
—
—
V
V
Output high voltage — low drive strength
• 2.7 V ≤ V
DD
≤ 3.6 V, I
OH
= -2 mA
• 1.71 V ≤ V
DD
≤ 2.7 V, I
OH
= -0.6 mA
V
DD
– 0.5
V
DD
– 0.5
—
—
V
V
I
OHT
Output high current total for all ports — 100 mA
V
OL
Output low voltage — high drive strength
• 2.7 V ≤ V
DD
≤ 3.6 V, I
OL
= 9 mA
• 1.71 V ≤ V
DD
≤ 2.7 V, I
OL
= 3 mA
—
—
0.5
0.5
V
V
Output low voltage — low drive strength
• 2.7 V ≤ V
DD
≤ 3.6 V, I
OL
= 2 mA
• 1.71 V ≤ V
DD
≤ 2.7 V, I
OL
= 0.6 mA
—
—
0.5
0.5
V
V
I
OLT
Output low current total for all ports — 100 mA
I
IN
Input leakage current (per pin)
• @ full temperature range
• @ 25 °C
—
—
1.0
0.1
μA
μA
1
I
OZ
Hi-Z (off-state) leakage current (per pin) — 1 μA
I
OZ
Total Hi-Z (off-state) leakage current (all input pins) — 4 μA
R
PU
Internal pullup resistors 22 50 kΩ 2
R
PD
Internal pulldown resistors 22 50 kΩ 3
1. Tested by ganged leakage method
2. Measured at Vinput = V
SS
3. Measured at Vinput = V
DD
5.2.4 Power mode transition operating behaviors
All specifications except t
POR
, and VLLSx→RUN recovery times in the following table
assume this clock configuration:
• CPU and system clocks = 50 MHz
• Bus clock = 50 MHz
• Flash clock = 25 MHz
General
K20 Sub-Family Data Sheet, Rev. 4 5/2012.
Freescale Semiconductor, Inc. 13
