Table a-5 thermal package characteristics, A.1.9, I/o characteristics – Motorola MC9S12GC-Family User Manual

Page 89: Table a-5, Thermal package characteristics, A.1.9 i/o characteristics

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Device User Guide — 9S12C128DGV1/D V01.05

89

Which is the sum of all output currents on I/O ports associated with VDDX and VDDR.

A.1.9 I/O Characteristics

This section describes the characteristics of all I/O pins. All parameters are not always applicable, e.g. not
all pins feature pull up/down resistances.

Table A-5 Thermal Package Characteristics

1

NOTES

:

1. The values for thermal resistance are achieved by package simulations

Num

C

Rating

Symbol

Min

Typ

Max

Unit

1

T

Thermal Resistance LQFP48, single layer PCB

2

2. PC Board according to EIA/JEDEC Standard 51-2

θ

JA

-

-

69

o

C/W

2

T

Thermal Resistance LQFP48, double sided PCB with

2 internal planes

3

3. PC Board according to EIA/JEDEC Standard 51-7

θ

JA

-

-

53

o

C/W

3

T

Junction to Board LQFP48

θ

JB

30

o

C/W

4

T

Junction to Case LQFP48

θ

JC

20

o

C/W

5

T

Junction to Package Top LQFP48

Ψ

JT

4

o

C/W

6

T

Thermal Resistance LQFP52, single sided PCB

θ

JA

-

-

65

o

C/W

7

T

Thermal Resistance LQFP52, double sided PCB with
2 internal planes

θ

JA

-

-

49

o

C/W

8

T

Junction to Board LQFP52

θ

JB

31

o

C/W

9

T

Junction to Case LQFP52

θ

JC

17

o

C/W

10

T

Junction to Package Top LQFP52

Ψ

JT

3

o

C/W

11

T

Thermal Resistance QFP 80, single sided PCB

θ

JA

-

-

52

o

C/W

12

T

Thermal Resistance QFP 80, double sided PCB with
2 internal planes

θ

JA

-

-

42

o

C/W

13

T

Junction to Board QFP80

θ

JB

28

o

C/W

14

T

Junction to Case QFP80

θ

JC

18

o

C/W

15

T

Junction to Package Top QFP80

Ψ

JT

4

o

C/W

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