MC9S12KG128 Datasheet, PDF (565/600 Pages) Freescale Semiconductor, Inc – Microcontrollers

Appendix A Electrical Characteristics
Table A-5. Thermal Package Characteristics¹
Num C
Rating
Symbol
Min
Typ
1 T Thermal Resistance LQFP112, single sided PCB²
θ_JA
—
—
2 T Thermal Resistance LQFP112, double sided PCB
θ_JA
—
—
with 2 internal planes³
3 T Thermal Resistance QFP 80, single sided PCB
θ_JA
—
—
4 T Thermal Resistance QFP 80, double sided PCB with
θ_JA
—
—
2 internal planes
1 _{The values for thermal resistance are achieved by package simulations}
2 _{PC Board according to EIA/JEDEC Standard 51-2}
3 _{PC Board according to EIA/JEDEC Standard 51-7}
Max
54
41
51
41
Unit
o_C/W
o_C/W
o_C/W
o_C/W
MC9S12KG128 Data Sheet, Rev. 1.15
Freescale Semiconductor
565