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MC3S12RG128 Datasheet, PDF (513/546 Pages) Freescale Semiconductor, Inc – Microcontrollers | |||
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Appendix A Electrical Characteristics
Table A-5. Thermal Package Characteristics1
Num C
Rating
Symbol
Min
Typ
Max
Unit
1 T Thermal Resistance LQFP112, single sided PCB2
θJA
â
2 T Thermal Resistance LQFP112, double sided PCB
θJA
â
with 2 internal planes3
3 T Junction to Board LQFP112
θJB
â
4 T Junction to Case LQFP112
θJC
â
5 T Junction to Package Top LQFP112
ΨJT
â
6 T Thermal Resistance QFP 80, single sided PCB
θJA
â
7 T Thermal Resistance QFP 80, double sided PCB with
θJA
â
2 internal planes
8 T Junction to Board QFP80
θJB
â
9 T Junction to Case QFP80
θJC
â
10 T Junction to Package Top QFP80
ΨJT
â
1 The values for thermal resistance are achieved by package simulations
2 PC Board according to EIA/JEDEC Standard 51-3
3 PC Board according to EIA/JEDEC Standard 51-7
â
54
oC/W
â
41
oC/W
â
31
oC/W
â
11
oC/W
â
2
oC/W
â
51
oC/W
â
41
oC/W
â
27
oC/W
â
14
oC/W
â
3
oC/W
A.1.9 I/O Characteristics
This section describes the characteristics of all I/O pins except EXTAL, XTAL, XFC, TEST and supply
pins. All parameters are not always applicable, e.g. not all pins feature pull up/down resistances.
MC3S12RG128 Data Sheet, Rev. 1.05
Freescale Semiconductor
513
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