參數(shù)資料
型號： MC68HC11A8BMP2
廠商： ABILIS SYSTEMS
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 2 MHz, MICROCONTROLLER, PDIP48
封裝： PLASTIC, DIP-48
文件頁數(shù)： 26/158頁
文件大?。?/td> 3803K
代理商： MC68HC11A8BMP2
ELECTRICAL CHARACTERISTICS
MOTOROLA
TECHNICAL DATA
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 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 Rating
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
MC68HC11A8
MC68HC11A8C
MC68HC11A8V
MC68HC11A8M
MC68L11A8
TA
TL to TH
0 to 70
– 40 to 85
– 40 to 105
– 40 to 125
– 20 to 70
°C
Storage Temperature Range
Tstg
– 55 to 150
°C
Current Drain per Pin*
Excluding VDD, VSS, VRH, and VRL
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)
52-Pin Plastic Quad Pack (PLCC)
48-Pin Plastic Dual In-Line Package (DIP)
Θ
JA
50
40
°C/W
Total Power Dissipation
PD
PINT + PI/O
K
÷ (T
J + 273°C) (Note 1)
W
Device Internal Power Dissipation
PINT
IDD x VDD
W
I/O Pin Power Dissipation
PI/O (Note 2)
User-determined
W
A Constant
K
PD x (TA + 273°C) +
Θ
JA x PD2 (Note 3)
W
°C
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Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
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