參數(shù)資料
型號(hào): 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(yè)數(shù): 9/18頁(yè)
文件大?。?/td> 89K
代理商: 74HCT2G17
74HC_HCT2G17_1
NXP B.V. 2006. All rights reserved.
Product data sheet
Rev. 01 — 6 October 2006
9 of 18
NXP Semiconductors
74HC2G17; 74HCT2G17
Dual non-inverting Schmitt trigger
14. Transfer characteristics
Test data is given in
Table 11
.
Definitions test circuit:
R
L
= Load resistance.
C
L
= Load capacitance including jig and probe capacitance.
R
T
= Termination resistance should be equal to output impedance Z
o
of the pulse generator.
Load circuitry for switching times
Fig 6.
mgk563
D.U.T
V
CC
V
CC
V
I
V
O
R
T
R
L
= 1 k
C
L
50 pF
open
PULSE
GENERATOR
Table 11.
Type
Test data
Input
V
I
GND to V
CC
GND to 3.0 V
Test
t
PHL
, t
PLH
open
open
t
r
, t
f
6 ns
6 ns
74HC2G17
74HCT2G17
Table 12.
Voltages are referenced to GND (ground = 0 V); for test circuit see
Figure 6
.
Symbol Parameter
Conditions
Transfer characteristics
25
°
C
Typ
40
°
C to +125
°
C
Min
Max
(85
°
C)
Unit
Min
Max
Max
(125
°
C)
74HC2G17
V
T+
positive-going
threshold voltage
see
Figure 7
,
Figure 8
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
see
Figure 7
,
Figure 8
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
V
T+
V
T
; see
Figure 7
,
Figure 8
and
Figure 9
V
CC
= 2.0 V
V
CC
= 4.5 V
V
CC
= 6.0 V
1.00
2.30
3.00
1.18
2.60
3.46
1.50
3.15
4.20
1.00
2.30
3.00
1.50
3.15
4.20
1.50
3.15
4.20
V
V
V
V
T
negative-going
threshold voltage
0.30
1.13
1.50
0.60
1.47
2.06
0.90
2.00
2.60
0.30
1.13
1.50
0.90
2.00
2.60
0.90
2.00
2.60
V
V
V
V
H
hysteresis voltage
0.30
0.60
0.80
0.60
1.13
1.40
1.00
1.40
1.70
0.30
0.60
0.80
1.00
1.40
1.70
1.00
1.40
1.70
V
V
V
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