 English |
|
|
|
|
|
|
|
| MC68HC812A4 Datasheet, PDF (323/342 Pages) Motorola, Inc – 16-bit device composed of standard on-chip peripheral modules connected by an intermodule bus. Modules include | |||
| |||
| ◁ |
18.3 Functional Operating Range
Rating
Operating temperature range
MC68HC812A4PV8
MC68HC812A4CPV8
MC68HC812A4VPV8
MC68HC812A4MPV8
Operating voltage range
Electrical Characteristics
Functional Operating Range
Symbol
TA
VDD
Value
TL to TH
0 to +70
â40 to +85
â40 to +105
â40 to +125
5.0 ± 10%
Unit
°C
V
18.4 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Average junction temperature
TJ
TA + (PD Ã ÎJA)
°C
Ambient temperature
TA
User-determined
°C
Package thermal resistance (junction-to-ambient)
112-pin thin quad ï¬at pack (TQFP)
ÎJA
39
°C/W
Total power dissipation(1)
PINT + PI/O
PD
or
W
T----J---+-----K2---7---3---°--C--
Device internal power dissipation
PINT
IDD Ã VDD
W
I/O pin power dissipation(2)
PI/O
User-determined
W
A constant(3)
K
PD à (TA + 273 °C) +
ÎJA Ã PD2
W/°C
1. This is an approximate value, neglecting PI/O.
2. For most applications, PI/O « PINT and can be neglected.
3. K is a constant pertaining to the device. Solve for K with a known TA and a measured PD (at equilibrium).
Use this value of K to solve for PD and TJ iteratively for any value of TA.
Advance Information
MOTOROLA
Electrical Characteristics
MC68HC812A4 â Rev. 3.0
323
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese