MC68HC708MP16 Datasheet, PDF (369/398 Pages) Freescale Semiconductor, Inc – Microcontrollers

Electrical Specifications
21.4 Functional Operating Range
Table 21-2. Operating Range
Characteristic
Symbol
Value
Unit
Operating Temperature Range (see Note)
MC68HC708MP16CFU
MC68HC708MP16VFU
T_A
–40 to 85
°C
–40 to 105
Operating Voltage Range
V_DD
5.0 ± 10%
V
Note:
See Freescale representative for temperature availability.
C = Extended temperature range (–40 to +85 °C)
V = Automotive temperature range (–40 to +105 °C)
21.5 Thermal Characteristics
Table 21-3. Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal Resistance,
QFP (64 Pin)
θ_JA
76
°C/W
I/O Pin Power Dissipation
P_I/O
User Determined
W
Power Dissipation⁽¹⁾
Constant⁽²⁾
Average Junction Temperature
Maximum Junction Temperature
P_D
P_D = (I_DD x V_DD) + P_I/O =
K/(T_J + 273 °C)
W
K
P_D x (T_A + 273 °C)
+ P_D2 x θ_JA
W/°C
T_J
T_A + (P_D x θ_JA)
°C
T_JM
125
°C
Notes:
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_A and
measured P_D. With this value of K, P_D and T_J can be determined for any value of T_A.
MC68HC708MP16 — Rev. 3.1
Freescale Semiconductor
Electrical Specifications
Technical Data
369