S912XHY128F0VLM Datasheet, PDF (724/802 Pages) Freescale Semiconductor, Inc – S12 Microcontrollers

Electrical Characteristics
Table A-5. Thermal Package Characteristics (MC9S12XHY)¹
Num C
Rating
Symbol
Min
Typ
Max
Unit
LQFP 112
1 D Junction to Ambient², Natural Convection
Single layer board(1s)
θ_JA
—
—
59
°C/W
2 D Junction to Ambient, Natural Convection
Four layer board (2s2p)
θ_JA
—
—
49
°C/W
3 D Junction to Ambient,(@200 ft/min)
Single layer board(1s)
θ_JMA
—
—
50
°C/W
4 D Junction to Ambient, (@200 ft/min)
Four layer board (2s2p)
5 D Junction to Board³
6 D Junction to Case⁴
7 D Junction to Package Top⁵
θ_JMA
—
—
43
°C/W
θ_JB
—
—
37
°C/W
θ_JCtop
—
—
14
°C/W
Ψ_JT
—
—
2
°C/W
LQFP 100
8 D Junction to Ambient, Natural Convection
Single layer board(1s)
θ_JA
—
—
60
°C/W
9 D Junction to Ambient, Natural Convection
Four layer board (2s2p)
θ_JA
—
—
47
°C/W
10 D Junction to Ambient,(@200 ft/min)
Single layer board(1s)
θ_JMA
—
—
50
°C/W
11 D Junction to Ambient, (@200 ft/min)
Four layer board (2s2p)
θ_JMA
—
—
41
°C/W
12 D Junction to Board
θ_JB
—
—
33
°C/W
13 D Junction to Case
θ_JCtop
—
—
14
°C/W
14 D Junction to Package Top
Ψ_JT
—
—
2
°C/W
1 ^{The values for thermal resistance are achieved by package simulations}
2 ^{Junction-to-Ambient Thermal Resistance determined per JEDEC JESD51-2 and JESD51-6. Thermal test board meets}
JEDEC specification for this package.
3 ^{Junction-to-Board thermal resistance determined per JEDEC JESD51-8. Thermal test board meets JEDEC specification for}
the specified package.
4 ^{Junction-to-Case at the top of the package determined using MIL-STD 883 Method 1012.1. The cold plate temperature is used}
for the case temperature. Reported value includes the thermal resistance of the interface layer
5 ^{Thermal characterization parameter indicating the temperature difference between the package top and the junction}
temperature per JEDEC JESD51-2. When Greek letters are not available, the thermal characterization parameter is written as
Psi-JT
A.1.9 I/O Characteristics
This section describes the characteristics of all I/O pins except EXTAL, XTAL, TEST and supply pins.
MC9S12XHY-Family Reference Manual, Rev. 1.01
724
Freescale Semiconductor