參數(shù)資料
型號(hào)： TC74VHCT14AFK
廠商： Toshiba Corporation
英文描述： Hex Schmitt Inverter
中文描述： 六角施密特逆變器
文件頁(yè)數(shù)： 4/9頁(yè)
文件大?。?/td> 260K
代理商： TC74VHCT14AFK
TC74VHCT14AF/AFN/AFT/AFK
2007-10-01
4
Electrical Characteristics
DC Characteristics
Test Condition
Ta = 25°C
Ta =
40 to 85°C
Characteristics
Symbol
V
CC
(V)
Min
Typ.
Max
Min
Max
Unit
Positive threshold
voltage
V
P
―
4.5
5.5
―
―
―
―
1.90
2.10
―
―
1.90
2.10
V
Negative threshold
voltage
V
N
―
4.5
5.5
0.50
0.60
―
―
―
―
0.50
0.60
―
―
V
Hysteresis voltage
V
H
―
4.5
5.5
0.40
0.40
―
―
1.40
1.50
0.40
0.40
1.40
1.50
V
I
OH
=
50
μ
A
4.5
4.4
4.5
―
4.4
―
High-level output
voltage
V
OH
V
IN
= V
IL
I
OH
=
8 mA
4.5
3.94
―
―
3.80
―
V
I
OL
= 50
μ
A
4.5
―
0.0
0.1
―
0.1
Low-level output
voltage
V
OL
V
IN
= V
IH
I
OL
= 8 mA
4.5
―
―
0.36
―
0.44
V
Input leakage
current
I
IN
V
IN
= 5.5 V or GND
0 to
5.5
―
―
±0.1
―
±1.0
μ
A
I
CC
V
IN
= V
CC
or GND
5.5
―
―
2.0
―
20.0
μ
A
Quiescent supply
current
I
CCT
Per input: V
IN
= 3.4 V
Other input: V
CC
or GND
5.5
―
―
1.35
―
1.50
mA
Output leakage
current
I
OPD
V
OUT
= 5.5 V
0
―
―
0.5
―
5.0
μ
A
AC Characteristics
(input: t
r
= t
f
= 3 ns)
Test Condition
Ta = 25°C
Ta =
40 to 85°C
Characteristics
Symbol
V
CC
(V)
C
L
(pF)
Min
Typ.
Max
Min
Max
Unit
15
―
5.0
7.6
1.0
9.0
Propagation delay
time
t
pLH
t
pHL
―
5.0 ± 0.5
50
―
6.5
9.6
1.0
11.0
ns
Input capacitance
C
IN
―
―
4
10
―
10
pF
Power dissipation
capacitance
C
PD
(Note)
―
18
―
―
―
pF
Note:
C
PD
is defined as the value of the internal equivalent capacitance which is calculated from the operating
current consumption without load.
Average operating current can be obtained by the equation:
I
CC (opr)
= C
PD
·V
CC
·f
IN
+ I
CC
/6 (per gate)
Noise Characteristics
(input: t
r
= t
f
= 3 ns)
Test Condition
Ta = 25°C
Characteristics
Symbol
V
CC
(V)
Typ.
Limit
Unit
Quiet output maximum dynamic V
OL
V
OLP
C
L
= 50 pF
5.0
0.5
0.8
V
Quiet output minimum dynamic V
OL
V
OLV
C
L
= 50 pF
5.0
0.5
0.8
V
Minimum high level dynamic input voltage
V
IHD
C
L
= 50 pF
5.0
―
2.0
V
Maximum low level dynamic input voltage
V
ILD
C
L
= 50 pF
5.0
―
0.8
V
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