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| 型号： | 74AC139SC |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/9页 |
| 文件大小： | 0K |
| 描述： | IC DECODER/DEMULTIPLEXER 16-SOIC |
| 标准包装： | 48 |
| 系列： | 74AC |
| 类型： | 解码器/多路分解器 |
| 电路： | 1 x 2:4 |
| 独立电路： | 2 |
| 输出电流高，低： | 24mA，24mA |
| 电压电源： | 单电源 |
| 电源电压： | 2 V ~ 6 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SOIC |
| 包装： | 管件 |
| 产品目录页面： | 1205 (CN2011-ZH PDF) |
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www.fairchildsemi.com
74
A
C
13
9
74ACT139
Absolute Maximum Ratings(Note 1)
Recommended Operating
Conditions
Note 1: Absolute maximum ratings are those values beyond which damage
to the device may occur. The databook specifications should be met, with-
out exception, to ensure that the system design is reliable over its power
supply, temperature, and output/input loading variables. Fairchild does not
recommend operation of FACT
circuits outside databook specifications.
DC Electrical Characteristics for AC
Note 2: All outputs loaded; thresholds on input associated with output under test.
Note 3: Maximum test duration 2.0 ms, one output loaded at a time.
Note 4: IIN and ICC @ 3.0V are guaranteed to be less than or equal to the respective limit @ 5.5V VCC.
Supply Voltage (VCC)
0.5V to +7.0V
DC Input Diode Current (IIK)
VI = 0.5V
20 mA
VI = VCC + 0.5V
+20 mA
DC Input Voltage (VI)
0.5V to V
CC + 0.5V
DC Output Diode Current (IOK)
VO = 0.5V
20 mA
VO = VCC + 0.5V
+20 mA
DC Output Voltage (VO)
0.5V to V
CC + 0.5V
DC Output Source
or Sink Current (IO)
±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)
±50 mA
Storage Temperature (TSTG)
65°C to +150°C
Junction Temperature (TJ)
PDIP
140
°C
Supply Voltage (VCC)
AC
2.0V to 6.0V
ACT
4.5V to 5.5V
Input Voltage (VI)0V to VCC
Output Voltage (VO)0V to VCC
Operating Temperature (TA)
40°C to +85°C
Minimum Input Edge Rate (
V/t)
AC Devices
VIN from 30% to 70% of VCC
VCC @ 3.3V, 4.5V, 5.5V
125 mV/ns
Minimum Input Edge Rate (
V/t)
ACT Devices
VIN from 0.8V to 2.0V
VCC @ 4.5V, 5.5V
125 mV/ns
Symbol
Parameter
VCC
TA = +25°CTA = 40°C to +85°C
Units
Conditions
(V)
Typ
Guaranteed Limits
VIH
Minimum HIGH Level
3.0
1.5
2.1
VOUT = 0.1V
Input Voltage
4.5
2.25
3.15
V
or VCC 0.1V
5.5
2.75
3.85
VIL
Maximum LOW Level
3.0
1.5
0.9
VOUT = 0.1V
Input Voltage
4.5
2.25
1.35
V
or VCC 0.1V
5.5
2.75
1.65
VOH
Minimum HIGH Level
3.0
2.99
2.9
Output Voltage
4.5
4.49
4.4
V
IOUT = 50 A
5.55.495.4
5.4
VIN = VIL or VIH
3.0
2.56
2.46
IOH = 12 mA
4.5
3.86
3.76
V
IOH = 24 mA
5.5
4.86
4.76
IOH = 24 mA (Note 2)
VOL
Maximum LOW Level
3.0
0.002
0.1
Output Voltage
4.5
0.001
0.1
V
IOUT = 50 A
5.5
0.001
0.1
VIN = VIL or VIH
3.0
0.36
0.44
IOL = 12 mA
4.5
0.36
0.44
V
IOL = 24 mA
5.5
0.36
0.44
IOL = 24 mA (Note 2)
IIN
(Note 4)
Maximum Input
Leakage Current
5.5
± 0.1
± 1.0
AV
I = VCC, GND
IOLD
Minimum Dynamic
5.5
75
mA
VOLD = 1.65V Max
IOHD
Output Current (Note 3)
5.5
75
mA
VOHD = 3.85V Min
ICC
(Note 4)
Maximum Quiescent
Supply Current
5.5
4.0
40.0
AV
IN = VCC or GND
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