MC74VHC244 查看數據表（PDF） - ON Semiconductor
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MC74VHC244 Datasheet PDF : 8 Pages
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MC74VHC244
DC CHARACTERISTICS (Voltages Referenced to GND)
Symbol
Parameter
Condition
VCC
TA = 25°C
TA ≤ 85°C –55°C ≤ TA ≤ 125°C
(V) Min Typ Max Min Max Min
Max Unit
VIH
Minimum High–Level
Input Voltage
2.0
3.0 to
5.5
1.5
VCCX
0.7
1.5 1.5
1.5
V
VCCX VCCX
0.7 0.7
VCCX
0.7
VIL
Maximum Low–Level
Input Voltage
2.0
3.0 to
5.5
0.5
VCCX
0.3
0.5
VCCX
0.3
0.5
V
VCCX
0.3
VOH
Maximum High–Level VIN = VIH or VIL
2.0 1.9 2.0
1.9
1.9
V
Output Voltage
IOH = –50 µA
3.0 2.9 3.0
2.9
2.9
4.5 4.4 4.5
4.4
4.4
VIN = VIH or VIL
IOH = –4 mA
IOH = –8 mA
VOL
Maximum Low–Level VIN = VIH or VIL
Output Voltage
IOL = 50 µA
3.0 2.58
4.5 3.94
2.48
2.34
3.8
3.66
2.0
0.0 0.1
0.1
3.0
0.0 0.1
0.1
4.5
0.0 0.1
0.1
0.1
V
0.1
0.1
VIN = VIH or VIL
IOH = 4 mA
3.0
IOH = 8 mA
4.5
IIN
Input Leakage Current VIN = 5.5 V or GND
0 to
5.5
0.36
0.44
0.36
0.44
±0.1
±1.0
0.52
0.52
±1.0 µA
IOZ
Maximum 3–State
VIN = VIH or VIL
5.5
Leakage Current
VOUT = VCC or GND
ICC
Maximum Quiescent VIN = VCC or GND
5.5
Supply Current
(per package)
±0.25
±2.5
4.0
40.0
±2.5 µA
40.0 µA
ORDERING INFORMATION
Device
Package
MC74VHC244DW
SOIC WIDE
MC74VHC244DWR2 SOIC WIDE
MC74VHC244DT
TSSOP
MC74VHC244DTR2
TSSOP
MC74VHC244M
SOIC EIAJ
MC74VHC244MEL
SOIC EIAJ
Shipping
38 Units/Rail
1000/Tape & Reel
75 Units/Rail
2500/Tape & Reel
1600 Units/Box
2000/Tape & Reel
FUNCTION TABLE
INPUTS
OEA, OEB
A, B
L
L
L
H
H
X
OUTPUTS
YA, YB
L
H
Z
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