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MC9S12C128V1 Datasheet, PDF (653/690 Pages) Freescale Semiconductor, Inc – MC9S12C Family MC9S12GC Family Reference Manual | |||
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Appendix A Electrical Characteristics
Table A-5. Thermal Package Characteristics(1)
Num C
Rating
Symbol
Min
Typ
Max Unit
1
T Thermal Resistance LQFP48, single layer PCB(2)
θJA
2
T
Thermal Resistance LQFP48, double sided PCB
with 2 internal planes(3)
θJA
3
T Junction to Board LQFP48
θJB
4
T Junction to Case LQFP48
θJC
5
T Junction to Package Top LQFP48
ΨJT
6
T Thermal Resistance LQFP52, single sided PCB
θJA
7
T
Thermal Resistance LQFP52, double sided PCB
with 2 internal planes
θJA
8
T Junction to Board LQFP52
θJB
9
T Junction to Case LQFP52
θJC
10
T Junction to Package Top LQFP52
ΨJT
11
T Thermal Resistance QFP 80, single sided PCB
θJA
12
T
Thermal Resistance QFP 80, double sided PCB
with 2 internal planes
θJA
13
T Junction to Board QFP80
θJB
14
T Junction to Case QFP80
θJC
15
T Junction to Package Top QFP80
ΨJT
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
â
â
69
oC/W
â
â
53
oC/W
â
â
30
oC/W
â
â
20
oC/W
â
â
4
oC/W
â
â
65
oC/W
â
â
49
oC/W
â
â
31
oC/W
â
â
17
oC/W
â
â
3
oC/W
â
â
52
oC/W
â
â
42
oC/W
â
â
28
oC/W
â
â
18
oC/W
â
â
4
oC/W
Freescale Semiconductor
MC9S12C-Family / MC9S12GC-Family
653
Rev 01.24
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