參數(shù)資料
型號: 74VHC14
廠商: Fairchild Semiconductor Corporation
英文描述: Quadruple 2-Input Positive-NAND Gates 14-SOIC -40 to 85
中文描述: 六角施密特逆變器
文件頁數(shù): 3/11頁
文件大?。?/td> 220K
代理商: 74VHC14
74VHC14
3/11
Table 6: DC Specifications
Table 7: AC Electrical Characteristics
(Input t
r
= t
f
= 3ns)
(*) Voltage range is 3.3V
±
0.3V
(**) Voltage range is 5.0V
±
0.5V
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
t+
High Level
Threshold Voltage
3.0
4.5
5.5
3.0
4.5
5.5
3.0
4.5
5.5
2.0
3.0
4.5
3.0
4.5
2.0
3.0
4.5
3.0
4.5
0 to
5.5
2.2
3.15
3.85
2.2
3.15
3.85
2.2
3.15
3.85
V
V
t-
Low Level
Threshold Voltage
0.9
1.35
1.65
1.2
1.4
1.6
0.9
1.35
1.65
1.2
1.4
1.6
0.9
1.35
1.65
1.2
1.4
1.6
V
V
h
Hysteresis Voltage
0.3
0.4
0.5
1.9
2.9
4.4
2.58
3.94
0.3
0.4
0.5
1.9
2.9
4.4
2.48
3.8
0.3
0.4
0.5
1.9
2.9
4.4
2.4
3.7
V
V
OH
High Level Output
Voltage
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-50
μ
A
I
O
=-4 mA
I
O
=-8 mA
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=50
μ
A
I
O
=4 mA
I
O
=8 mA
2.0
3.0
4.5
V
V
OL
Low Level Output
Voltage
0.0
0.0
0.0
0.1
0.1
0.1
0.36
0.36
0.1
0.1
0.1
0.44
0.44
0.1
0.1
0.1
0.55
0.55
V
I
I
Input Leakage
Current
Quiescent Supply
Current
V
I
= 5.5V or GND
±
0.1
±
1
±
1
μ
A
I
CC
5.5
V
I
= V
CC
or GND
2
20
20
μ
A
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
C
L
(pF)
T
A
= 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
t
PLH
t
PHL
Propagation Delay
Time
3.3
(*)
3.3
(*)
5.0
(**)
5.0
(**)
15
8.3
12.8
1.0
15.0
1.0
15.0
ns
50
10.8
16.3
1.0
18.5
1.0
18.5
15
5.5
8.6
1.0
10.0
1.0
10.0
50
7.0
10.6
1.0
12.0
1.0
12.0
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