OMO ElectronicOMO Electronic
Expand menu
Hello, Sign inMy Account
0 Cart

74HC42N,652

P1-P3P4-P6P7-P7
December 1990 3
Philips Semiconductors Product specification
BCD to decimal decoder (1-of-10) 74HC/HCT42
PIN DESCRIPTION
PIN NO. SYMBOL NAME AND FUNCTION
1, 2, 3, 4, 5, 6, 7, 9, 10, 11
Y
0
to Y
9
multiplexer outputs
8 GND ground (0 V)
15, 14, 13, 12 A
0
to A
3
data inputs
16 V
CC
positive supply voltage
Fig.1 Pin configuration. Fig.2 Logic symbol. Fig.3 IEC logic symbol.
December 1990 4
Philips Semiconductors Product specification
BCD to decimal decoder (1-of-10) 74HC/HCT42
Fig.4 Functional diagram.
FUNCTION TABLE
Note
1. H = HIGH voltage level
L = LOW voltage level
INPUTS OUTPUTS
A
3
A
2
A
1
A
0
Y
0
Y
1
Y
2
Y
3
Y
4
Y
5
Y
6
Y
7
Y
8
Y
9
L
L
L
L
L
L
L
L
L
L
H
H
L
H
L
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
H
H
H
H
L
L
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
H
H
L
L
L
L
L
L
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
L
H
H
H
H
L
H
H
H
H
H
H
H
H
H
H
L
L
H
H
L
H
L
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
H
Fig.5 Logic diagram.
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
I
CC
category: MSI
AC CHARACTERISTICS FOR 74HC
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
DC CHARACTERISTICS FOR 74HCT
For the DC characteristics see
“74HC/HCT/HCU/HCMOS Logic Family Specifications”
.
Output capability: standard
I
CC
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 ∆I
CC
per input, multiply this value by the unit load coefficient shown in the table below.
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF
SYMBOL PARAMETER
T
amb
(°C) TEST CONDITIONS
74HC
UNIT
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
A
n
to Y
n
47
17
14
150
30
26
190
38
33
225
45
38
ns 2.0
4.5
6.0
Fig.6
t
THL
/ t
TLH
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
A
n
1.0
SYMBOL PARAMETER
T
amb
(°C) TEST CONDITIONS
74HCT
UNIT
V
CC
(V)
WAVEFORMS
+25 −40 to +85 −40 to +125
min. typ. max. min. max. min. max.
t
PHL
/ t
PLH
propagation delay
A
n
to Y
n
20 35 44 53 ns 4.5 Fig.6
t
THL
/ t
TLH
output transition time 7 15 19 22 ns 4.5 Fig.6
P1-P3P4-P6P7-P7

74HC42N,652

Mfr. #:
Buy 74HC42N,652
Manufacturer:
NXP Semiconductors
Description:
Encoders, Decoders, Multiplexers & Demultiplexers DECODER BCD-DECIMAL
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
T/T Paypal Visa MoneyGram Western Union

Products related to this Datasheet