
Technical Data
MC68HC705C8A 
—
 Rev. 3
202
MC68HSC705C8A
MOTOROLA
MC68HSC705C8A
A.3  5.0-Volt High-Speed DC Electrical Characteristics
Table A-1. Programmable COP Timeout Period Selection
CM1:CM0
COP 
Timeout 
Rate
Programmable COP Timeout Period
f
OSC
 = 8.0 MHz
f
OP
 = 4.0 MHz
f
OSC
 = 4.0 MHz
f
OP
 = 2.0 MHz
f
OSC
 = 3.5795 MHz
f
OP
 = 1.7897 MHz
f
OSC
 = 2.0 MHz
f
OP
 = 1.0 MHz
00
f
OP 
÷
2
15
8.192 ms
16.38 ms
18.31 ms
32.77 ms
01
f
OP
÷
 2
17
32.77 ms
65.54 ms
73.24 ms
131.07 ms
10
f
OP
÷
 2
19
131.07 ms
262.14 ms
292.95 ms
524.29 ms
11
f
OP
÷ 
÷
2
21
524.29 ms
1.048 s
1.172 s
2.097 s
Characteristic
(1)
1. V
DD
 = 5 V 
±
 10%; V
SS
 = 0 Vdc, T
A
 = T
L
 to T
H
, unless otherwise noted
2. Typical values reflect average measurements at midpoint of voltage range at 25
°
C.
3. I
DD
 measured with port B pullup devices disabled.
4. Run (operating) I
DD
 measured using external square wave clock source (f
OSC
 = 8.0 MHz). All inputs 0.2 V from rail. No dc
loads. Less than 50 pF on all outputs. C
L
 = 20 pF on OSC2. OSC2 capacitance linearly affects run I
DD
.
5. Wait I
DD
 measured using external square wave clock source (f
OSC
 = 8.0 MHz). All inputs 0.2 V from rail. No dc loads. Less
than 50 pF on all outputs. C
L
 = 20 pF on OSC2. V
IL
 = 0.2 V, V
IH
 = V
DD
–
 0.2 V. All ports configured as inputs. SPI and SCI
disabled. If SPI and SCI enabled, add 10% current draw. OSC2 capacitance linearly affects wait I
DD
.
6. Stop I
DD
 measured with OSC1 = V
DD
. All ports configured as inputs. V
IL
 = 0.2 V, V
IH
 = V
DD
–
 0.2 V.
Symbol
Min
Typ
(2)
Max
Unit
Output high voltage
I
Load
 = 
–
0.8 mA
PA7
–
PA0, PB7
–
PB0, PC6
–
PC0, TCMP
I
Load
 = 
–
1.6 mA
PD4
–
PD1
I
Load
 = 
–
5.0 mA
PC7
V
OH
V
DD
–
 0.8
—
—
—
—
—
—
V
Output low voltage
I
Load
 = 1.6 mA
PA7
–
PA0, PB7
–
PB0, PC6
–
PC0, PD4
–
PD1
I
Load
 = 20 mA
PC7
V
OL
—
—
—
—
0.4
0.4
V
Supply current
(3)
Run
(4)
Wait
(5)
Stop
(6)
25
°
C
–
40
°
C to +85
°
C
I
DD
—
—
—
—
5.92
2.27
5
2.0
14
7.0
50
50
mA
mA
μ
A
μ
A