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參數(shù)資料
| 型號(hào)： | 74LV14 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Hex inverting Schmitt-trigger |
| 中文描述： | 六角反相施密特觸發(fā)器 |
| 文件頁(yè)數(shù)： | 6/12頁(yè) |
| 文件大?。?/td> | 113K |
| 代理商： | 74LV14 |
Philips Semiconductors
Product specification
74LV14
Hex inverting Schmitt-trigger
1998 Apr 20
6
TRANSFER CHARACTERISTIC WAVEFORMS
SV00427
V
H
V
T+
V
T–
V
O
V
I
Figure 1. Transfer characteristic.
SV00428
VH
VT–
VT+
VO
VI
Figure 2. Definition of
VT
,
V
T-
and V
H
;
where V
T+
and V
T-
are between limits of 20% and 70%
SV00429
0
0
2
4
6
8
10
ICC
( A)
0.3
0.6
0.9
Vin (V)
1.2
Figure 3. Typical 74LV14 transfer characteristics; V
CC
= 1.2V.
SV00430
0
0
20
40
60
80
100
ICC
( A)
0.4
1.2
0.8
1.6
Vin(V)
2.0
Figure 4. Typical 74LV14 transfer characteristics; V
CC
= 2.0V.
SV00432
0
0
50
100
150
200
250
ICC
( A)
0.6
1.8
1.2
2.4
Vin(V)
3.0
Figure 5. Typical 74LV14 transfer characteristics; V
CC
= 3.0V.
AC WAVEFORMS
V
M
= 1.5 V at V
CC
≥
2.7 V;
V
M
= 0.5
×
V
CC
at V
CC
< 2.7 V
V
OL
and V
OH
are the typical output voltage drop that occur with the
output load.
V
M
nA INPUT
nY OUTPUT
V
M
t
PLH
t
PHL
GND
V
I
V
OL
V
OH
SV00395
Figure 6. Input (nA) to output (nY) propagation delays.
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