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參數(shù)資料
| 型號： | 933669160652 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 門電路 |
| 英文描述： | HCT SERIES, HEX 1-INPUT INVERT GATE, PDIP14 |
| 封裝： | SOT-27-1, DIP-14 |
| 文件頁數(shù)： | 7/12頁 |
| 文件大?。?/td> | 160K |
| 代理商： | 933669160652 |
September 1993
4
Philips Semiconductors
Product specication
Hex inverting Schmitt trigger
74HC/HCT14
DC CHARACTERISTICS FOR 74HC
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”. Transfer characteristics are
given below.
Output capability: standard
ICC category: SSI
Transfer characteristics for 74HC
Voltages are referenced to GND (ground = 0 V)
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tf = tf = 6 ns; CL = 50 pF
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
VT+
positive-going
threshold
0.7
1.7
2.1
1.18
2.38
3.14
1.5
3.15
4.2
0.7
1.7
2.1
1.5
3.15
4.2
0.7
1.7
2.1
1.5
3.15
4.2
V
2.0
4.5
6.0
Figs 6 and 7
VT
negative-going
threshold
0.3
0.9
1.2
0.52
1.40
1.89
0.90
2.00
2.60
0.3
0.90
1.20
0.90
2.00
2.60
0.30
0.90
1.2
0.90
2.00
2.60
V
2.0
4.5
6.0
Figs 6 and 7
VH
hysteresis
(VT+ VT)
0.2
0.4
0.6
0.66
0.98
1.25
1.0
1.4
1.6
0.2
0.4
0.6
1.0
1.4
1.6
0.2
0.4
0.6
1.0
1.4
1.6
V
2.0
4.5
6.0
Figs 6 and 7
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HC
VCC
(V)
WAVEFORMS
+25
40 to +85
40 to +125
min.
typ.
max.
min.
max.
min.
max.
tPHL/ tPLH
propagation delay
nA to nY
41
15
12
125
25
21
155
31
26
190
38
32
ns
2.0
4.5
6.0
Fig.8
tTHL/ tTLH
output transition
time
19
7
6
75
15
13
95
19
15
110
22
19
ns
2.0
4.5
6.0
Fig.8
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