参数资料
型号: 74ACT244PC
厂商: Fairchild Semiconductor
文件页数: 7/12页
文件大小: 0K
描述: IC BUFF/DVR TRI-ST DUAL 20DIP
标准包装: 18
系列: 74ACT
逻辑类型: 缓冲器/线路驱动器,非反相
元件数: 2
每个元件的位元数: 4
输出电流高,低: 24mA,24mA
电源电压: 4.5 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 通孔
封装/外壳: 20-DIP(0.300",7.62mm)
供应商设备封装: 20-DIP
包装: 管件
其它名称: 74ACT244
1988 Fairchild Semiconductor Corporation
www.fairchildsemi.com
74AC244, 74ACT244 Rev. 1.4.0
4
74A
C244,
74A
CT244
Octal
Buff
er/Line
Driver
with
3-ST
A
TE
Outputs
DC Electrical Characteristics for AC
Notes:
1. All outputs loaded; thresholds on input associated with output under test.
2. IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
3. Maximum test duration 2.0ms, one output loaded at a time.
Symbol
Parameter
VCC (V)
Conditions
TA = +25°C
TA = 55°C to
+125°C
TA = 40°C
to
+85°C
Units
Typ.
Guaranteed Limits
VIH
Minimum HIGH Level
Input Voltage
3.0
VOUT = 0.1V or
VCC 0.1V
1.5
2.1
V
4.5
2.25
3.15
5.5
2.75
3.85
VIL
Maximum LOW Level
Input Voltage
3.0
VOUT = 0.1V or
VCC 0.1V
1.5
0.9
V
4.5
2.25
1.35
5.5
2.75
1.65
VOH
Minimum HIGH Level
Output Voltage
3.0
IOUT = 50A
2.99
2.9
V
4.5
4.49
4.4
5.5
5.49
5.4
3.0
VIN = VIL or VIH,
IOH = 12mA
2.56
2.4
2.46
4.5
VIN = VIL or VIH,
IOH = 24mA
3.86
3.7
3.76
5.5
VIN = VIL or VIH,
IOH = 24mA
(1)
4.86
4.7
4.76
VOL
Maximum LOW Level
Output Voltage
3.0
IOUT = 50A
0.002
0.1
V
4.5
0.001
0.1
5.5
0.001
0.1
3.0
VIN = VIL or VIH,
IOL = 12mA
0.36
0.50
0.44
4.5
VIN = VIL or VIH,
IOL = 24mA
0.36
0.50
0.44
5.5
VIN = VIL or VIH,
IOL = 24mA
(1)
0.36
0.50
0.44
IIN
(2)
Maximum Input
Leakage Current
5.5
VI = VCC, GND
±0.1
±1.0
A
IOZ
Maximum 3-STATE
Leakage Current
5.5
VI (OE) = VIL, VIH;
VI = VCC, VGND;
VO = VCC, GND
±0.25
±5.0
±2.5
A
IOLD
Minimum Dynamic
Output Current(3)
5.5
VOLD = 1.65V Max.
50
75
mA
IOHD
5.5
VOHD = 3.85V Min.
50
75
mA
ICC
(2)
Maximum Quiescent
Supply Current
5.5
VIN = VCC or GND
4.0
80.0
40.0
A
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