參數(shù)資料
型號: 74HCT2G17
廠商: NXP Semiconductors N.V.
英文描述: Dual non-inverting Schmitt trigger
中文描述: 雙非反相施密特觸發(fā)器
文件頁數(shù): 10/18頁
文件大小: 89K
代理商: 74HCT2G17
74HC_HCT2G17_1
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 6 October 2006
10 of 18
NXP Semiconductors
74HC2G17; 74HCT2G17
Dual non-inverting Schmitt trigger
15. Waveforms transfer characteristics
74HCT2G17
V
T+
positive-going
threshold voltage
see
Figure 7
and
Figure 8
V
CC
= 4.5 V
V
CC
= 5.5 V
see
Figure 7
and
Figure 8
V
CC
= 4.5 V
V
CC
= 5.5 V
V
T+
V
T
; see
Figure 7
,
Figure 8
and
Figure 10
V
CC
= 4.5 V
V
CC
= 5.5 V
1.20
1.40
1.58
1.78
1.90
2.10
1.20
1.40
1.90
2.10
1.90
2.10
V
V
V
T
negative-going
threshold voltage
0.50
0.60
0.87
1.11
1.20
1.40
0.50
0.60
1.20
1.40
1.20
1.40
V
V
V
H
hysteresis voltage
0.40
0.40
0.71
0.67
-
-
0.40
0.40
-
-
-
-
V
V
Table 12.
Voltages are referenced to GND (ground = 0 V); for test circuit see
Figure 6
.
Symbol Parameter
Conditions
Transfer characteristics
…continued
25
°
C
Typ
40
°
C to +125
°
C
Min
Max
(85
°
C)
Unit
Min
Max
Max
(125
°
C)
V
T+
and V
T-
limits at 70 % and 20 %.
Fig 7.
Transfer characteristic
Fig 8.
Definition of V
T+
, V
T-
and V
H
mnb154
V
O
V
H
V
I
V
T+
V
T
mnb155
V
O
V
I
V
H
V
T+
V
T
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