MC68HC08AS32A Datasheet, PDF (278/296 Pages) Motorola, Inc – Microcontrollers

Freescale Semiconductor, Inc.
Electrical Specifications
18.3 Functional Operating Range
Rating
Operating temperature range
Operating voltage range
Symbol
Value
Unit
T_A
–40 to 125
°C
V_DD
5.0 ± 10%
V
18.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Thermal resistance
PLCC (52 pins)
QFP (64 pins)
θ_JA
50
°C/W
70
I/O pin power dissipation
P_I/O
User determined
W
Power dissipation⁽¹⁾
P_D
P_D = (I_DD x V_DD) + P_I/O
= K/(T_J + 273°C)
W
Constant⁽²⁾
Average junction temperature
K
P_D x (T_A + 273°C)
+ (P_D2 x θ_JA)
W/°C
T_J
T_A = P_D × θ_JA
°C
Maximum junction temperature
T_JM
150
°C
1. Power dissipation is a function of temperature
2. K is a constant unique to the device. K can be determined from 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.
Data Sheet
278
Electrical Specifications
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Go to: www.freescale.com
MC68HC08AS32A — Rev. 1
MOTOROLA