Table A-2 Typical Ratings, 16.78 MHz Operation
Num
Rating
Symbol
Value
5.0
Unit
V
1
2
3
Supply Voltage
Operating Temperature
Supply Current
V
DD
T
25
°C
A
V
I
DD
DD
RUN
LPSTOP, VCO off
LPSTOP, External clock, maxi f
75
125
3
mA
µA
mA
sys
4
5
Clock Synthesizer Operating Voltage
Supply Current
V
5.0
V
DDSYN
I
DDSYN
V
DDSYN
VCO on, maximum f
1.0
4.0
100
50
mA
mA
µA
sys
External Clock, maximum f
LPSTOP, VCO off
sys
V
powered down
µA
DD
6
Power Dissipation
P
455
mW
D
Table A-2a Typical Ratings, 20.97 MHz Operation
Num
Rating
Symbol
Value
5.0
Unit
V
1
2
3
Supply Voltage
Operating Temperature
Supply Current
V
DD
A
T
25
°C
A
V
I
DD
DD
RUN
LPSTOP, VCO off
LPSTOP, External clock, maxi f
113
125
3.75
mA
µA
µA
sys
4
5
Clock Synthesizer Operating Voltage
Supply Current
V
5.0
V
DDSYN
I
DDSYN
V
DDSYN
VCO on, maximum f
External Clock, maximum f
LPSTOP, VCO off
1.0
5.0
100
50
mA
mA
µA
sys
sys
V
powered down
µA
DD
6
Power Dissipation
P
570
mW
D
MOTOROLA
A-2
ELECTRICAL CHARACTERISTICS
MC68331
USER’S MANUAL
MOTOROLA [ MOTOROLA ]
