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74HC42D PDF预览

74HC42D

更新时间: 2024-10-27 22:53:15
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页数 文件大小 规格书
6页 46K
描述
BCD to decimal decoder 1-of-10

74HC42D 数据手册

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Philips Semiconductors  
Product specification  
BCD to decimal decoder (1-of-10)  
74HC/HCT42  
DC CHARACTERISTICS FOR 74HC  
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.  
Output capability: standard  
ICC category: MSI  
AC CHARACTERISTICS FOR 74HC  
GND = 0 V; tr = tf = 6 ns; CL = 50 pF  
T
amb (°C)  
74HC  
TEST CONDITIONS  
SYMBOL PARAMETER  
UNIT  
WAVEFORMS  
VCC  
(V)  
+25  
40 to +85  
40 to +125  
min. typ. max. min. max. min. max.  
tPHL/ tPLH propagation delay  
An to Yn  
47  
17  
14  
150  
30  
26  
190  
38  
33  
225  
45  
38  
ns  
ns  
2.0  
4.5  
6.0  
Fig.6  
Fig.6  
t
THL/ tTLH output transition time  
19  
7
6
75  
15  
13  
95  
19  
16  
110  
22  
19  
2.0  
4.5  
6.0  
DC CHARACTERISTICS FOR 74HCT  
For the DC characteristics see “74HC/HCT/HCU/HCMOS Logic Family Specifications”.  
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.  
INPUT  
UNIT LOAD COEFFICIENT  
An  
1.0  
AC CHARACTERISTICS FOR 74HCT  
GND = 0 V; tr = tf = 6 ns; CL = 50 pF  
Tamb (°C)  
TEST CONDITIONS  
74HCT  
SYMBOL PARAMETER  
UNIT  
WAVEFORMS  
VCC  
(V)  
+25  
40 to +85 40 to +125  
min. typ. max. min. max. min. max.  
t
t
PHL/ tPLH propagation delay  
An to Yn  
20  
35  
44  
53  
ns  
ns  
4.5  
4.5  
Fig.6  
Fig.6  
THL/ tTLH output transition time  
7
15  
19  
22  
December 1990  
5

74HC42D 替代型号

型号 品牌 替代类型 描述 数据表
74HC42D,652 NXP

完全替代

74HC(T)42 - BCD to decimal decoder (1-of-10) SOP 16-Pin
CD74HC42M TI

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High Speed CMOS Logic BCD To Decimal Decoder 1 of 10

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