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參數(shù)資料
| 型號： | MC74AC244DWR2 |
| 廠商： | ON SEMICONDUCTOR |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Buffer/Line Driver with 3-State Outputs |
| 中文描述： | AC SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | SOIC-20 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大?。?/td> | 96K |
| 代理商： | MC74AC244DWR2 |
MC74AC244, MC74ACT244
http://onsemi.com
3
DC CHARACTERISTICS
74AC
74AC
Symbol
Parameter
VCC
(V)
TA = +25
°
C
TA =
–40
°
C to
+85
°
C
Unit
Conditions
Typ
Guaranteed Limits
VIH
Minimum High Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
2.1
3.15
3.85
2.1
3.15
3.85
VOUT = 0.1 V
or VCC – 0.1 V
V
VIL
Maximum Low Level
Input Voltage
3.0
4.5
5.5
1.5
2.25
2.75
0.9
1.35
1.65
0.9
1.35
1.65
VOUT = 0.1 V
or VCC – 0.1 V
V
VOH
Minimum High Level
Output Voltage
3.0
4.5
5.5
2.99
4.49
5.49
2.9
4.4
5.4
2.9
4.4
5.4
IOUT = –50
μ
A
V
*VIN = VIL or VIH
3.0
4.5
5.5
–
–
–
2.56
3.86
4.86
2.46
3.76
4.76
V
–12 mA
–24 mA
–24 mA
IOH
VOL
Maximum Low Level
Output Voltage
3.0
4.5
5.5
0.002
0.001
0.001
0.1
0.1
0.1
0.1
0.1
0.1
IOUT = 50
μ
A
V
*VIN = VIL or VIH
3.0
4.5
5.5
–
–
–
0.36
0.36
0.36
0.44
0.44
0.44
V
12 mA
24 mA
24 mA
IOL
IIN
Maximum Input
Leakage Current
5 5
5.5
–
0 1
±
0.1
1 0
±
1.0
μ
A
VI= VCCGND
VI = VCC, GND
IOZ
Maximum
3–State
Current
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
5.5
–
±
0.5
±
5.0
μ
A
IOLD
Minimum Dynamic
O t
Output Current
5.5
–
–
75
mA
IOHD
5.5
–
–
–75
mA
VOHD = 3.85 V Min
ICC
Maximum Quiescent
Supply Current
5 5
5.5
–
8 0
8.0
80
μ
A
VIN= VCCor GND
VIN = VCC or GND
*All outputs loaded; thresholds on input associated with output under test.
Maximum test duration 2.0 ms, one output loaded at a time.
NOTE:
IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V VCC.
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| MC74AC244M | Octal Buffer/Line Driver with 3-State Outputs |
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| MC74ACT244DTR2 | Octal Buffer/Line Driver with 3-State Outputs |
| MC74ACT244DWR2 | Octal Buffer/Line Driver with 3-State Outputs |
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