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參數(shù)資料
| 型號： | MC74HC242 |
| 廠商： | Motorola, Inc. |
| 英文描述： | Quad 3-State Bus Transceiver |
| 中文描述： | 四三態(tài)總線收發(fā)器 |
| 文件頁數(shù)： | 2/5頁 |
| 文件大小： | 119K |
| 代理商： | MC74HC242 |
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
2
Functional operation should be restricted to the Recommended Operating Conditions.
Derating — Plastic DIP: – 10 mW/ C from 65 to 125 C
(Figure 1)
0
500
DC CHARACTERISTICS
(Voltages Referenced to GND)
V
Guaranteed Limit
Symbol
Parameter
Condition
VCC
–55 to 25
°
C
≤
85
°
C
≤
125
°
C
Unit
VIH
Minimum High–Level Input Voltage
Vout = 0.1V or VCC –0.1V
|Iout|
≤
20
μ
A
2.0
4.5
6.0
1.50
3.15
4.20
1.50
3.15
4.20
1.50
3.15
4.20
V
VIL
Maximum Low–Level Input Voltage
Vout = 0.1V or VCC – 0.1V
|Iout|
≤
20
μ
A
2.0
4.5
6.0
0.3
0.9
1.2
0.3
0.9
1.2
0.3
0.9
1.2
V
VOH
Minimum High–Level Output
Voltage
Vin = VIH or VIL
|Iout|
≤
20
μ
A
2.0
4.5
6.0
1.9
4.4
5.9
1.9
4.4
5.9
1.9
4.4
5.9
V
Vin =VIH or VIL
|Iout|
≤
6.0mA
|Iout|
≤
7.8mA
4.5
6.0
3.98
5.48
3.84
5.34
3.70
5.20
VOL
Maximum Low–Level Output
Voltage
Vin = VIH or VIL
|Iout|
≤
20
μ
A
2.0
4.5
6.0
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
0.1
V
Vin = VIH or VIL
|Iout|
≤
6.0mA
|Iout|
≤
7.8mA
4.5
6.0
0.26
0.26
0.33
0.33
0.40
0.40
Iin
IOZ
Maximum Input Leakage Current
Vin = VCC or GND
Output in High–Impedance State
Vin = VIL or VIH
Vout = VCC or GND
6.0
±
0.1
±
1.0
±
1.0
μ
A
Maximum Three–State Leakage
Current
6.0
±
0.5
±
5.0
±
10.0
μ
A
ICC
Maximum Quiescent Supply
Current (per Package)
Vin = VCC or GND
Iout = 0
μ
A
6.0
8
80
160
μ
A
NOTE:Information on typical parametric values can be found in Chapter 2 of the Motorola High–Speed CMOS Data Book (DL129/D).
This device contains protection
circuitry to guard against damage
due to high static voltages or electric
fields. However, precautions must
be taken to avoid applications of any
voltage higher than maximum rated
voltages to this high–impedance cir-
cuit. For proper operation, Vin and
Vout should be constrained to the
range GND (Vin or Vout)
Unused inputs must always be
tied to an appropriate logic voltage
level (e.g., either GND or VCC).
Unused outputs must be left open.
VCC.
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| MC74HC244ADT | 功能描述:緩沖器和線路驅(qū)動器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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| MC74HC244ADTR2 | 功能描述:緩沖器和線路驅(qū)動器 2-6V Octal 3-State RoHS:否 制造商:Micrel 輸入線路數(shù)量:1 輸出線路數(shù)量:2 極性:Non-Inverting 電源電壓-最大:+/- 5.5 V 電源電壓-最小:+/- 2.37 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:MSOP-8 封裝:Reel |
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