MC68HC08AB16A Datasheet, PDF (367/380 Pages) Motorola, Inc – HCMOS Microcontroller Unit

Freescale Semiconductor, Inc.
Electrical Specifications
Functional Operating Range
23.4 Functional Operating Range
Characteristic
Operating temperature range
Operating voltage range
Symbol
T_A
V_DD
Value
Unit
–40 to +85 –40 to +125 °C
5.0 ±10%
5.0 ±10%
V
23.5 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
QFP (64-pin)
θ_JA
70
°C/W
I/O pin power dissipation
P_I/O
User-Determined
W
Power dissipation⁽¹⁾
P_D
P_D = (I_DD × V_DD) + P_I/O =
K/(T_J + 273 °C)
W
Constant⁽²⁾
K
P_D × (T_A + 273 °C)
+ P_D2 × θ_JA
W/°C
Average junction temperature
T_J
T_A + (P_D × θ_JA)
°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.
MC68HC08AB16A — Rev. 2.0
MOTOROLA
Electrical Specifications
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Technical Data
367