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参数资料
| 型号： | MC68HC681P |
| 厂商： | MOTOROLA INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 2 CHANNEL(S), 1M bps, SERIAL COMM CONTROLLER, PDIP40 |
| 封装： | PLASTIC, DIP-40 |
| 文件页数： | 73/88页 |
| 文件大小： | 461K |
| 代理商： | MC68HC681P |
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MC68HC2681
A-6
MC68HC681 USER’S MANUAL
MOTOROLA
A
A.4 ELECTRICAL SPECIFICATIONS
A.4.9 Absolute Maximum Ratings
A.4.10 Thermal Characteristics
A.4.11 DC Electrical Characteristics
TA = 0°C to 70°C, VCC = 5.0 V ± 5%
All voltage measurements referenced to ground (GND)
RATING
SYMBOL
VALUE
UNIT
This device contains circuitry to
protect the inputs against damage
due to high static voltages or electric
fields; however, it is advised that
normal precautions be taken to avoid
application of any voltage higher than
maximum-rated voltages to this high-
impedance circuit. Reliability of
operation is enhanced if unused
inputs are tied to an appropriate logic
voltage: level (either GND or VCC).
Supply Voltage
VCC
-0.5 to + 6.0
V
Input Voltage
Vin
-0.5 to + 6.0
V
Operating Temperature Range
TA
0 to + 70
C
Storage Temperature
Tstg
-65 to + 150
C
CHARACTERISTIC
SYMBOL
VALUE
SYMBOL
VALUE
RATING
Thermal Resistance
MC68HC2681 Plastic,
Type FN
Type P
θ
JA
45
50
θ
JC
22
25
°C/W
NOTE: Estimate
CHARACTERISTIC
SYMBOL
MIN
MAX
UNIT
Input High Voltage, Except X1
VIH
2.0
—
V
Input High Voltage, X1
VIH
4.0
—
V
Input Low Voltage
VIL
—
0.8
V
Output High Voltage, Except Open-Collector Outputs (IOH = - mA)
VOH
2.4
—
V
Output Low Voltage IOL = mA)
VOL
—
0.4
V
Input Leakage Current (Vin = 0 to VCC)IIL
-5
+5
Data Bus Hi-Z Leakage Current (Vout = 0 to VCC)ILL
-5
5
Open-Collector Output Leakage Current (Vout = 0 to VCC)IOC
-5
5
Power Supply Current
ICC
—25
mA
Capacitance (Vin = 5 V, TA = 25C, f = 1 MHz)
Cin
—15
pF
X1 Low Input Current
Vin = 0, X2 Floated
IX1L
-10
—
mA
X1 High Input Current
Vin = VCC, X2 Floated
IX1H
—10
mA
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