Datasheet

5.0 Volt DC Electrical Characteristics
M68HC12B Family Data Sheet, Rev. 9.1
Freescale Semiconductor 309
19.5 5.0 Volt DC Electrical Characteristics
Characteristic
(1)
1. V
DD
= 5.0 Vdc ± 10%, V
SS
= 0 Vdc, T
A
= T
L
to T
H
, unless otherwise noted
Symbol Min Max Unit
Input high voltage, all inputs
V
IH
0.7 × V
DD
V
DD
+ 0.3
V
Input low voltage, all inputs
V
IL
V
SS
− 0.3 0.2 × V
DD
V
Output high voltage, all I/O and output pins except XTAL
Normal drive strength
I
OH
= −10.0 µA
I
OH
= −0.8 mA
Reduced drive strength
I
OH
= −4.0 µA
I
OH
= −0.3 mA
V
OH
V
DD
− 0.2
V
DD
− 0.8
V
DD
− 0.2
V
DD
− 0.8
—
—
—
—
V
Output low voltage, all I/O and output pins except XTAL
Normal drive strength
I
OL
= 10.0 µA
I
OL
= 1.6 mA
Reduced drive strength
I
OL
= 3.6 µA
I
OL
= 0.6 mA
V
OL
—
—
—
—
V
SS
+ 0.2
V
SS
+ 0.4
V
SS
+ 0.2
V
SS
+ 0.4
V
Input leakage current
(2)
V
In
= V
DD
or V
SS
All input-only pins except ATD
(3)
and V
FP
2. Specification is for parts in the –40 to +85 °C range. Higher temperature ranges will result in increased current leakage.
3. See 19.8 ATD DC Electrical Characteristics.
I
In
— ± 5 µA
Three-state leakage, I/O ports, BKGD, and RESET
I
OZ
— ± 2.5 µA
Input capacitance
All input pins and ATD pins (non-sampling)
ATD pins (sampling)
All I/O pins
C
In
—
—
—
10
15
20
pF
Output load capacitance
All outputs except PS7–PS4
PS7–PS4 when configured as SPI
C
L
—
—
90
200
pF
Programmable active pullup current
XIRQ
, DBE, LSTRB, R/W, ports A, B, DLC, P, S, T
MODA, MODB active pulldown during reset
BKGD passive pullup
I
APU
50
50
50
500
500
500
µA