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74HC42N Fiches technique(PDF) 5 Page - NXP Semiconductors

No de pièce 74HC42N
Description  BCD to decimal decoder 1-of-10
Download  6 Pages
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Fabricant  PHILIPS [NXP Semiconductors]
Site Internet  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74HC42N Fiches technique(HTML) 5 Page - NXP Semiconductors

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December 1990
5
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
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 (
∆I
CC) 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.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; tr =tf = 6 ns; CL = 50 pF
SYMBOL PARAMETER
Tamb (°C)
TEST CONDITIONS
74HC
UNIT
VCC
(V)
WAVEFORMS
+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
2.0
4.5
6.0
Fig.6
tTHL/ tTLH
output transition time
19
7
6
75
15
13
95
19
16
110
22
19
ns
2.0
4.5
6.0
Fig.6
INPUT
UNIT LOAD COEFFICIENT
An
1.0
SYMBOL
PARAMETER
Tamb (°C)
TEST CONDITIONS
74HCT
UNIT
VCC
(V)
WAVEFORMS
+25
−40 to +85
−40 to +125
min.
typ.
max.
min.
max.
min.
max.
tPHL/ tPLH
propagation delay
An to Yn
20
35
44
53
ns
4.5
Fig.6
tTHL/ tTLH
output transition time
7
15
19
22
ns
4.5
Fig.6


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