參數(shù)資料
型號: MC68HC11A0CFN2
廠商: MOTOROLA INC
元件分類: 微控制器/微處理器
英文描述: HCMOS Single-Chip Microcontroller
中文描述: 8-BIT, 2 MHz, MICROCONTROLLER, PQCC52
封裝: PLASTIC, LCC-52
文件頁數(shù): 121/158頁
文件大小: 776K
代理商: MC68HC11A0CFN2
MC68HC11A8
TECHNICAL DATA
ELECTRICAL CHARACTERISTICS
MOTOROLA
A-1
A
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 V
DD
) enhances reliability of
operation.
NOTES:
1.This is an approximate value, neglecting P
I/O
.
2.For most applications P
I/O
P
INT
and can be neglected.
3.K is a constant pertaining to the device. Solve for K with a known T
A
and a measured P
D
(at equilibrium). Use
this value of K to solve for P
D
and T
J
iteratively for any value of T
A
.
Table A-1 Maximum Rating
Rating
Symbol
V
DD
V
in
T
A
Value
Unit
V
V
°
C
Supply Voltage
Input Voltage
– 0.3 to + 7.0
– 0.3 to + 7.0
T
L
to T
H
0 to 70
– 40 to 85
– 40 to 105
– 40 to 125
– 20 to 70
– 55 to 150
25
Operating Temperature Range
MC68HC11A8
MC68HC11A8C
MC68HC11A8V
MC68HC11A8M
MC68L11A8
Storage Temperature Range
Current Drain per Pin*
Excluding V
DD
, V
SS
, V
RH
, and V
RL
T
stg
I
D
°
C
mA
Table A-2 Thermal Characteristics
Characteristic
Symbol
T
J
T
A
Θ
JA
Value
Unit
°
C
°
C
°
C/W
Average Junction Temperature
Ambient Temperature
Package Thermal Resistance (Junction-to-Ambient)
52-Pin Plastic Quad Pack (PLCC)
48-Pin Plastic Dual In-Line Package (DIP)
Total Power Dissipation
T
A
+ (P
D
x
Θ
JA
)
User-determined
50
40
P
D
P
INT
+ P
I/O
K
÷
(T
J
+ 273
°
C) (Note 1)
I
DD
x V
DD
User-determined
P
D
x (T
A
+ 273
°
C) +
Θ
JA
x P
D
2 (Note 3)
W
Device Internal Power Dissipation
I/O Pin Power Dissipation
A Constant
P
INT
W
W
P
I/O
(Note 2)
K
W ·
°
C
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