mc68hc912bc32 Freescale Semiconductor, Inc, mc68hc912bc32 Datasheet - Page 308

• Manufacturer Part Number: mc68hc912bc32
• Description: M68hc12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

Electrical Specifications
19.3 Functional Operating Range
19.4 Thermal Characteristics
308
All devices in this document meet these operating temperature ranges:
Operating voltage range
Average junction temperature
Ambient temperature
Package thermal resistance (junction-to-ambient)
Total power dissipation
Device internal power dissipation
I/O pin power dissipation
A constant
1. This is an approximate value, neglecting P
2. For most applications, P
3. K is a constant pertaining to the device. Solve for K with a known T
“C” temperature range
“V” temperature range
“M” temperature range
80-pin quad flat pack (QFP)
of K to solve for P
(3)
D
(1)
and T
(2)
I/O
J
« P
iteratively for any value of T
Characteristic
INT
Rating
and can be neglected.
M68HC12B Family Data Sheet, Rev. 9.1
I/O
.
A
.
A
and a measured P
Symbol
Symbol
V
P
Θ
P
P
T
T
T
DD
INT
K
I/O
JA
A
A
D
J
D
P
(at equilibrium). Use this value
D
User-determined
User-determined
T
× (T
A
−40 to +105
−40 to +125
−40 to +85
P
5.0 ± 10%
-------------------------- -
T J
Θ
I
+ (P
T
DD
INT
JA
Value
Value
A
L
Freescale Semiconductor
+
76
to T
+ 273 °C) +
or
× V
K
273°C
× P
D
+ P
× Θ
DD
H
D
I/O
2
JA
)
°C/W
W/°C
Unit
Unit
°C
°C
°C
W
W
W
V