S9S12G128F0CLF Datasheet, PDF (1074/1158 Pages) Freescale Semiconductor, Inc – MC9S12G Family Reference Manual

Electrical Characteristics
Table A-5. Thermal Package Characteristics¹
Num C
Rating
Symbol
S12GN32,
S12GN16
S12G64,
S12G48,
S12GN48
S12G240,
S12G128, S12GA240,
S12G96 S12G192,
S12GA192
Unit
20-pin TSSOP
1
D
Thermal resistance single sided PCB,
natural convection²
θ_JA
91
°C/W
2
D
Thermal resistance single sided PCB
@ 200 ft/min³
θ_JMA
72
°C/W
3
D
Thermal resistance double sided PCB
with 2 internal planes, natural convection³
θ_JA
58
°C/W
4
D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min³
5 D Junction to Board⁴
6 D Junction to Case⁵
7 D Junction to Package Top⁶
θ_JMA
51
θ_JB
29
θ_JC
20
Ψ_JT
4
32-pin LQFP
°C/W
°C/W
°C/W
°C/W
8
D
Thermal resistance single sided PCB,
natural convection²
θ_JA
81
84
°C/W
9
D
Thermal resistance single sided PCB
@ 200 ft/min³
θ_JMA
68
70
°C/W
10
D
Thermal resistance double sided PCB
with 2 internal planes, natural convection³
θ_JA
57
56
°C/W
11
D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min³
θ_JMA
50
49
12 D Junction to Board⁴
13 D Junction to Case⁵
14 D Junction to Package Top⁶
θ_JB
35
32
θ_JC
25
23
Ψ_JT
8
6
48-pin LQFP
°C/W
°C/W
°C/W
°C/W
15
D
Thermal resistance single sided PCB,
natural convection²
θ_JA
81
80
79
75
°C/W
16
D
Thermal resistance single sided PCB
@ 200 ft/min³
θ_JMA
68
67
66
62
°C/W
17
D
Thermal resistance double sided PCB
with 2 internal planes, natural convection³
θ_JA
57
56
56
51
°C/W
18
D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min³
19 D Junction to Board⁴
20 D Junction to Case⁵
21 D Junction to Package Top⁶
θ_JMA
50
50
49
45
°C/W
θ_JB
35
34
33
30
°C/W
θ_JC
25
24
21
19
°C/W
Ψ_JT
8
6
4
N/A °C/W
1074
MC9S12G Family Reference Manual, Rev.1.10
Freescale Semiconductor