Datasheet

Electrical Specifications
Technical Data MC68HC908LJ12 — Rev. 2.1
396 Electrical Specifications Freescale Semiconductor
23.7 3.3V DC Electrical Characteristics
Table 23-5. 3.3V DC Electrical Characteristics
Characteristic
(1)
Symbol Min Typ
(2)
Max Unit
Output high voltage (I
LOAD
= –1.0 mA)
All ports
V
OH
V
DD
–0.4
——V
Output low voltage
(I
LOAD
= 0.8mA) All ports
(I
LOAD
= 4.0 mA) PTB2–PTB5
(I
LOAD
= 10.0 mA) PTB0/TxD–PTB1
V
OL
——0.4V
Input high voltage
All ports, RST
, IRQ, OSC1
V
IH
0.7 × V
DD
—
V
DD
V
Input low voltage
All ports, RST
, IRQ, OSC1
V
IL
V
SS
—
0.3 ×
V
DD
V
V
DD
supply current
Run
(3)
, f
OP
= 4 MHz
with all modules on
with ADC on
with ADC off
Wait
(4)
, f
OP
= 4 MHz (all modules off)
Stop, f
OP
= 8 kHz
(5)
25°C (with OSC, RTC, LCD
(6)
, LVI on)
25°C (with OSC, RTC, LCD
(6)
on)
25°C (with OSC, RTC on)
25°C (all modules off)
I
DD
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
8
6
5
3.5
280
38
25
1
mA
mA
mA
mA
µA
µA
µA
µA
Digital I/O ports Hi-Z leakage current
All ports, RST
I
IL
——± 10 µA
Input current
IRQ
I
IN
——± 1 µA
Capacitance
Ports (as input or output)
C
OUT
C
IN
—
—
—
—
12
8
pF
POR re-arm voltage
(7)
V
POR
0—100mV
POR rise-time ramp rate
(8)
R
POR
0.02 — — V/ms
Monitor mode entry voltage (at IRQ
pin)
V
HI
1.5 × V
DD
—
2 ×
V
DD
V
Pullup resistors
(9)
PTA0–PTA3, PTD4–PTD7 configured as KBI0–KBI7
RST
, IRQ
R
PU1
R
PU2
—
—
26
28
—
—
kΩ
kΩ
Low-voltage inhibit, trip falling voltage
V
TRIPF
2.40 2.57 2.88 V
Low-voltage inhibit, trip rising voltage
V
TRIPR
2.46 2.63 2.97 V