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参数资料
| 型号： | SN74LS14DR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 门电路 |
| 英文描述： | LS SERIES, HEX 1-INPUT INVERT GATE, PDSO14 |
| 封装： | SOIC-14 |
| 文件页数： | 2/3页 |
| 文件大小： | 45K |
| 代理商： | SN74LS14DR2 |
5-2
FAST AND LS TTL DATA
SN54/74LS13
SN54/74LS14
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Sb l
P
Limits
Ui
T
C
di i
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VT+
Positive-Going Threshold Voltage
1.5
2.0
V
VCC = 5.0 V
VT–
Negative-Going Threshold Voltage
0.6
1.1
V
VCC = 5.0 V
VT+ –VT–
Hysteresis
0.4
0.8
V
VCC = 5.0 V
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VOH
Output HIGH Voltage
54
2.5
3.4
V
VCC = MIN IOH = – 400 AVIN =VIL
VOH
Output HIGH Voltage
74
2.7
3.4
V
VCC = MIN, IOH = – 400 A, VIN = VIL
VOL
Output LOW Voltage
54, 74
0.25
0.4
V
VCC = MIN, IOL = 4.0 mA, VIN = 2.0 V
VOL
Output LOW Voltage
74
0.35
0.5
V
VCC = MIN, IOL = 8.0 mA, VIN = 2.0 V
IT+
Input Current at Positive-Going Threshold
– 0.14
mA
VCC = 5.0 V, VIN = VT+
IT–
Input Current at Negative-Going Threshold
– 0.18
mA
VCC = 5.0 V, VIN = VT–
IIH
Input HIGH Current
1.0
20
A
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
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 1)
–20
–100
mA
VCC = MAX, VOUT = 0 V
I
Power Supply Current
Total Output HIGH
LS13
2.9
6.0
A
V
MAX
ICC
Total, Output HIGH
LS14
8.6
16
mA
VCC = MAX
CC
Total Output LOW
LS13
4.1
7.0
CC
Total, Output LOW
LS14
12
21
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C)
Sb l
P
Max
Ui
T
C
di i
Symbol
Parameter
LS13
LS14
Unit
Test Conditions
tPLH
Propagation Delay, Input to Output
22
ns
VCC = 5.0 V
tPHL
Propagation Delay, Input to Output
27
22
ns
CC
CL = 15 pF
Figure 1. AC Waveforms
3 V
0 V
VIN
VOUT
1.6 V
0.8 V
tPHL
1.3 V
tPLH
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| SN74LS14NS | LS SERIES, HEX 1-INPUT INVERT GATE, PDIP14 |
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