mc9s12vr48 Freescale Semiconductor, Inc, mc9s12vr48 Datasheet - Page 518

• Manufacturer Part Number: mc9s12vr48
• Description: S12 Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

MCU Electrical Specifications
1
2
3
4
1. The values for thermal resistance are achieved by package simulations
518
Num
10
Junction to ambient thermal resistance, θ
horizontal configuration in natural convection.
Junction to ambient thermal resistance, θ
horizontal configuration in natural convection.
Junction to ambient thermal resistance, θ
horizontal configuration in natural convection.
Junction to ambient thermal resistance, θ
horizontal configuration in natural convection.
1
2
3
4
5
6
7
8
9
C
D
D
D
D
D
D
D
D
D
D
Thermal resistance LQFP 32, single sided PCB
Thermal resistance LQFP 32, double sided PCB
with 2 internal planes
Junction to Board LQFP 32
Junction to Case LQFP 32
Junction to Case (Bottom) LQFP 32
Thermal resistance LQFP 48, single sided PCB
Thermal resistance LQFP 48, double sided PCB
with 2 internal planes
Junction to Board LQFP 48
Junction to Case LQFP 48
Junction to Case (Bottom) LQFP 48
2
4
Table A-7. Thermal Package Characteristics
Rating
MC9S12VR Family Reference Manual,
Preliminary - Subject to Change Without Notice
4
4
JA
JA
JA
JA
was simulated to be equivalent to the JEDEC specification JESD51-2 in a
was simulated to be equivalent to the JEDEC specification JESD51-7 in a
was simulated to be equivalent to the JEDEC specification JESD51-2 in a
was simulated to be equivalent to the JEDEC specification JESD51-7 in a
5
5
LQFP 32
LQFP 48
1
3
Symbol
Ψ
Ψ
θ
θ
θ
θ
θ
θ
θ
θ
JC
JC
JA
JA
JB
JA
JA
JB
JT
JT
Rev. 2.2
Min
—
—
—
—
—
—
—
—
—
—
1
Typ
85
56
33
23
80
56
34
23
5
5
Freescale Semiconductor
Max
—
—
—
—
—
—
—
—
—
—
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
°C/W
Unit