mc68hc908gr8a Freescale Semiconductor, Inc, mc68hc908gr8a Datasheet - Page 232
mc68hc908gr8a
Manufacturer Part Number
mc68hc908gr8a
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908GR8A.pdf
(260 pages)
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Electrical Specifications
19.3 Functional Operating Range
19.4 Thermal Characteristics
232
Operating temperature range
Operating voltage range
Thermal resistance
I/O pin power dissipation
Power dissipation
Constant
Average junction temperature
Maximum junction temperature
1. Power dissipation is a function of temperature.
2. K is a constant unique to the device. K can be determined for a known T
PDIP (28-pin)
SOIC (28-pin)
QFP (32-pin)
T
J
can be determined for any value of T
(2)
(1)
Characteristic
Characteristic
MC68HC908GR8A • MC68HC908GR4A Data Sheet, Rev. 5
A
.
Symbol
Symbol
A
V
P
T
θ
P
and measured P
T
T
K
DD
JA
I/O
JM
A
D
J
P
D
= (I
P
User-Determined
D
T
K/(T
D
A
DD
–40 to +125
+ P
. With this value of K, P
x (T
3.0 ±10%
5.0 ±10%
+ (P
J
Value
Value
× V
D
A
140
+ 273 °C)
60
60
95
2
D
Freescale Semiconductor
+ 273 °C)
× θ
DD
× θ
) + P
JA
JA
)
I/O
=
D
W/°C
°C/W
Unit
Unit
and
°C
W
W
°C
°C
V
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