Datasheet

Electrical Characteristics
MC9S12G Family Reference Manual, Rev.1.23
1200 Freescale Semiconductor
48-pin QFN
22 D
Thermal resistance single sided PCB,
natural convection
2
θ
JA
82 °C/W
23 D
Thermal resistance single sided PCB
@ 200 ft/min
3
θ
JMA
67 °C/W
24 D
Thermal resistance double sided PCB
with 2 internal planes, natural convection
3
θ
JA
28 °C/W
25 D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min
3
θ
JMA
23 °C/W
26 D Junction to Board
4
θ
JB
11 °C/W
27 D Junction to Case
5
θ
JC
N/A °C/W
28 D Junction to Package Top
6
Ψ
JT
4 °C/W
64-pin LQFP
29 D
Thermal resistance single sided PCB,
natural convection
2
θ
JA
70 70 70 °C/W
30 D
Thermal resistance single sided PCB
@ 200 ft/min
3
θ
JMA
59 58 58 °C/W
31 D
Thermal resistance double sided PCB
with 2 internal planes, natural convection
3
θ
JA
52 52 52 °C/W
32 D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min
3
θ
JMA
46 46 45 °C/W
33 D Junction to Board
4
θ
JB
34 34 35 °C/W
34 D Junction to Case
5
θ
JC
20 18 17 °C/W
35 D Junction to Package Top
6
Ψ
JT
5 4 N/A °C/W
100-pin LQFP
36 D
Thermal resistance single sided PCB,
natural convection
2
θ
JA
61 62 °C/W
37 D
Thermal resistance single sided PCB
@ 200 ft/min
3
θ
JMA
51 55 °C/W
38 D
Thermal resistance double sided PCB
with 2 internal planes, natural convection
3
θ
JA
49 51 °C/W
39 D
Thermal resistance double sided PCB
with 2 internal planes @ 200 ft/min
3
θ
JMA
43 47 °C/W
40 D Junction to Board
4
θ
JB
34 37 °C/W
41 D Junction to Case
5
θ
JC
16 17 °C/W
42 D Junction to Package Top
6
Ψ
JT
3 N/A °C/W
Table A-5. Thermal Package Characteristics
1
Num C Rating Symbol
S12GN32,
S12GNA32,
S12GN16,
S12GNA16
S12G64,
S12GA64,
S12G48,
S12GN48,
S12GA64
S12G128,
S12GA128,
S12G96,
S12GA96
S12G240,
S12GA240,
S12G192,
S12GA192
Unit