参数资料
型号: SN74LS139NG
厂商: ON SEMICONDUCTOR
元件分类: 编、解码器及复用、解复用
英文描述: LS SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16
封装: LEAD FREE, PLASTIC, DIP-16
文件页数: 4/7页
文件大小: 183K
代理商: SN74LS139NG
SN74LS139
http://onsemi.com
4
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VIK
Input Clamp Diode Voltage
0.65
1.5
V
VCC = MIN, IIN = 18 mA
VOH
Output HIGH Voltage
2.7
3.5
V
VCC = MIN, IOH = MAX, VIN = VIH
or VIL per Truth Table
VOL
Output LOW Voltage
0.25
0.4
V
IOL = 4.0 mA
VCC = VCC MIN,
VIN = VIL or VIH
per Truth Table
0.35
0.5
V
IOL = 8.0 mA
IIH
Input HIGH Current
20
μA
VCC = MAX, VIN = 2.7 V
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
0.4
mA
VCC = MAX, VIN = 0.4 V
IOS
Short Circuit Current (Note 2)
20
100
mA
VCC = MAX
ICC
Power Supply Current
11
mA
VCC = MAX
2. Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Symbol
Parameter
Levels of
Delay
Limits
Unit
Test Conditions
Min
Typ
Max
tPLH
tPHL
Propagation Delay
Address to Output
2
13
22
20
33
ns
VCC = 5.0 V
CL = 15 pF
tPLH
tPHL
Propagation Delay
Address to Output
3
18
25
29
38
ns
tPLH
tPHL
Propagation Delay
Enable to Output
2
16
21
24
32
ns
AC WAVEFORMS
Figure 1.
Figure 2.
VIN
VOUT
1.3 V
tPHL
1.3 V
tPLH
VIN
VOUT
1.3 V
tPHL
1.3 V
tPLH
1.3 V
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