参数资料
型号: MC68HC11D0CFB
厂商: MOTOROLA INC
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MICROCONTROLLER, PQFP44
封装: 10 X 10 MM, QFP-44
文件页数: 8/124页
文件大小: 1481K
代理商: MC68HC11D0CFB
MC68HC11D3
ELECTRICAL CHARACTERISTICS
MOTOROLA
TECHNICAL DATA
A-1
APPENDIX A
ELECTRICAL CHARACTERISTICS
*One pin at a time, observing maximum power dissipation limits.
Internal circuitry protects the inputs against damage caused by high static voltages or
electric fields; however, normal precautions are necessary to avoid application of any
voltage higher than maximum-rated voltages to this high-impedance circuit. Extended
operation at the maximum ratings can adversely affect device reliability. Tying unused
inputs to an appropriate logic voltage level (either GND or VDD) enhances reliability of
operation.
NOTES:
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.
Table A-1 Maximum Ratings
Rating
Symbol
Value
Unit
Supply Voltage
VDD
– 0.3 to + 7.0
V
Input Voltage
Vin
– 0.3 to + 7.0
V
Operating Temperature Range
MC6811D3
MC6811D3C
MC6811D3V
MC6811D3M
TA
TL to TH
0 to + 70
– 40 to + 85
– 40 to + 105
– 40 to + 125
°C
Storage Temperature Range
Tstg
– 55 to + 150
°C
Current Drain per Pin*
Excluding VDD and VSS
ID
25
mA
Table A-2 Thermal Characteristics
Characteristic
Symbol
Value
Unit
Average Junction Temperature
TJ
TA + (PD x ΘJA)
°C
Ambient Temperature
TA
User-determined
°C
Package Thermal Resistance
(Junction-to-Ambient)
44-Pin Plastic Leaded Chip Carrier (PLCC)
44-Pin Plastic Quad Flat Pack (QFP)
52-Pin Plastic Dip (P)
Θ
JA
50
°C/W
Total Power Dissipation
(Note 1)
PD
PINT + PI/O
K / (TJ + 273°C)
W
Device Internal Power Dissipation
PINT
IDD x VDD
W
I/O Pin Power Dissipation
(Note 2)
PI/O
User-determined
W
A Constant
(Note 3)
K
PD x (TA + 273°C) +
Θ
JA x PD
2
W <
°C
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