mc68hc908rk2 Freescale Semiconductor, Inc, mc68hc908rk2 Datasheet - Page 222

• Manufacturer Part Number: mc68hc908rk2
• Description: Hcmos Microcontroller Unit
• Manufacturer: Freescale Semiconductor, Inc

Preliminary Electrical Specifications
16.8 2.0-Volt DC Electrical Characteristics
Advance Information
222
Output high voltage
Output low voltage
Input high voltage, all ports, IRQ1, OSC1
Input low voltage, all ports, IRQ1, OSC1
V
I/O ports high-impedance leakage current
Input current
Capacitance
POR re-arm voltage
POR reset voltage
POR rise time ramp rate
Monitor mode entry voltage
Pullup resistor, PTA6–PTA1, IRQ1
1. Parameters are design targets at V
2. Typical values reflect average measurements at midpoint of voltage range, 25 C only.
3. Run (operating) I
4. Wait I
5. Stop I
6. Pullups and pulldowns are disabled.
7. Maximum is highest voltage that POR is guaranteed.
8. Maximum is highest voltage that POR is possible.
9. If minimum V
DD
Run
Wait
Stop
(I
(I
(I
(I
(I
Ports (as input or output)
rail. No dc loads. Less than 100 pF on all outputs. All ports configured as inputs. C
affects run I
100 pF on all outputs. C
V
Load
Load
Load
Load
Load
DD
supply current
25 C
–40 C to 85 C
25 C with LVI enabled
–40 C to 85 C with LVI enabled
(3)
(4)
(5)
is reached.
DD
DD
= –1.2 mA)
= –2.0 mA)
= 1.2 mA)
= 3.0 mA)
= 3.0 mA) PTA7–PTA0 only
(f
(f
op
op
measured using internal clock generator module, f
measured with no port pins sourcing current, all modules disabled except as noted.
= 2.0 MHz)
= 2.0 MHz)
DD
DD
. Measured with all modules enabled.
Characteristic
is not reached before the internal POR reset is released, RST must be driven low externally until minimum
DD
(8)
(7)
measured using internal clock generator module (f
(9)
L
= 20 pF. OSC2 capacitance linearly affects wait I
(1)
DD
= 2.0
Preliminary Electrical Specifications
(6)
10%, V
SS
= 0 Vdc, T
Symbol
OP
V
V
R
C
V
R
V
V
I
C
V
V
POR
POR
POR
I
I
DD
OH
Out
OL
IL
In
PU
= 2.0 MHz. All inputs 0.2 V from rail; no dc loads; less than
IH
HI
IL
In
A
= –40 C to +85 C, unless otherwise noted
op
= 2.0 MHz). V
0.7 x V
V
V
V
DD
DD
DD
DD
0.02
Min
V
50
—
—
—
—
—
—
—
—
—
—
—
—
—
0
0
. All ports configured as inputs.
SS
+ 2.5
–0.3
–1.0
DD
L
= 20 pF. OSC2 capacitance linearly
DD
Typ
= 2.0 Vdc. All inputs 0.2 V from
700
10
50
MC68HC908RK2
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
(2)
V
0.3 x V
DD
Max
850
100
350
200
800
120
0.3
1.0
0.3
2.5
12
—
—
—
—
—
8
8
+ 0.3
1
1
DD
MOTOROLA
—
Rev. 4.0
V/ms
Unit
mA
mV
mV
k
nA
nA
pF
V
V
V
V
V
A
A
A
A
A