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參數(shù)資料
| 型號(hào)： | 933987840112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類(lèi)： | 門(mén)電路 |
| 英文描述： | HC/UH SERIES, 9 1-INPUT NON-INVERT GATE, PDSO20 |
| 封裝： | SO-20 |
| 文件頁(yè)數(shù)： | 6/7頁(yè) |
| 文件大小： | 41K |
| 代理商： | 933987840112 |
December 1990
6
Philips Semiconductors
Product specication
Nine wide Schmitt trigger buffer;
open drain outputs
74HC/HCT9115
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”.
Transfer characteristics are given below.
Output capability: standard
ICC category: MSI
Note to HCT types
The value of additional quiescent supply current (
ICC) for a unit load of 1 is given in the family specifications.
To determine
ICC per input, multiply this value by the unit load coefficient shown in the table below.
TRANSFER CHARACTERISTICS FOR 74HCT
Voltages are referred to GND (ground = 0 V)
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
INPUT
UNIT LOAD COEFFICIENT
An
0.3
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min.
typ.
max. min.
max.
min.
max.
VT+
positive-going threshold
0.9
1.2
1.50
1.70
2.0
2.1
0.9
1.2
2.0
2.1
0.9
1.2
2.0
2.1
V
4.5
5.5
Fig.6
VT
negative-going threshold
0.7
0.8
1.06
1.27
1.4
1.7
0.7
0.8
1.4
1.7
0.7
0.8
1.4
2.7
V
4.5
5.5
Fig.6
VH
hysteresis (VT+ VT)
0.2
0.44
0.8
0.2
0.8
0.2
0.8
V
4.5
5.5
Fig.6
SYMBOL
PARAMETER
Tamb (°C)
UNIT
TEST CONDITIONS
74HCT
VCC
(V)
WAVEFORMS
+25
40 to +85 40 to +125
min. typ. max.
min.
max.
min.
max.
tPHL/ tPLZ
propagation delay
An to Yn
18
31
39
47
ns
4.5
Fig.7
tTHL
output transition time
7
15
19
22
ns
4.5
Fig.7
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