933669790652 [NXP]
HC/UH SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDIP16, SOT-38-1, DIP-16;
| 型号： | 933669790652 |
| 厂家： | 
NXP |
| 描述： | HC/UH SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDIP16, SOT-38-1, DIP-16 驱动 光电二极管 输出元件 |
| 文件： | 总10页 (文件大小：115K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
INTEGRATED CIRCUITS
DATA SHEET
For a complete data sheet, please also download:
• The IC06 74HC/HCT/HCU/HCMOS Logic Family Specifications
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Information
• The IC06 74HC/HCT/HCU/HCMOS Logic Package Outlines
74HC/HCT42
BCD to decimal decoder (1-of-10)
December 1990
Product specification
File under Integrated Circuits, IC06
Philips Semiconductors
Product specification
BCD to decimal decoder (1-of-10)
74HC/HCT42
The 74HC/HCT42 decoders accept four active HIGH BCD
inputs and provide 10 mutually exclusive active LOW
outputs. The active LOW outputs facilitate addressing
other MSI circuits with active LOW input enables.
FEATURES
• Mutually exclusive outputs
• 1-of-8 demultiplexing capability
• Outputs disabled for input codes above nine
• Output capability: standard
• ICC category: MSI
The logic design of the “42” ensures that all outputs are
HIGH when binary codes greater than nine are applied to
the inputs.
The most significant input (A3) produces an useful inhibit
function when the “42” is used as a 1-of-8 decoder. The A3
input can also be used as the data input in an 8-output
demultiplexer application.
GENERAL DESCRIPTION
The 74HC/HCT42 are high-speed Si-gate CMOS devices
and are pin compatible with low power Schottky TTL
(LSTTL). They are specified in compliance with JEDEC
standard no. 7A.
QUICK REFERENCE DATA
GND = 0 V; Tamb = 25 °C; tr = tf = 6 ns
TYPICAL
SYMBOL
PARAMETER
CONDITIONS
UNIT
ns
HC
HCT
17
tPHL/ tPLH
CI
propagation delay An to Yn
input capacitance
CL = 15 pF; VCC = 5 V 14
3.5
37
3.5
37
pF
pF
CPD
power dissipation capacitance per package
notes 1 and 2
Notes
1. CPD is used to determine the dynamic power dissipation (PD in µW):
PD = CPD × VCC2 × fi + ∑ (CL × VCC2 × fo) where:
fi = input frequency in MHz
fo = output frequency in MHz
∑ (CL × VCC2 × fo) = sum of outputs
CL = output load capacitance in pF
VCC = supply voltage in V
2. For HC the condition is VI = GND to VCC
For HCT the condition is VI = GND to VCC − 1.5 V
ORDERING INFORMATION
See “74HC/HCT/HCU/HCMOS Logic Package Information”.
December 1990
2
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
Y0 to Y9
GND
multiplexer outputs
ground (0 V)
8
15, 14, 13, 12
16
A0 to A3
VCC
data inputs
positive supply voltage
Fig.1 Pin configuration.
Fig.2 Logic symbol.
Fig.3 IEC logic symbol.
December 1990
3
Philips Semiconductors
Product specification
BCD to decimal decoder (1-of-10)
74HC/HCT42
FUNCTION TABLE
INPUTS
OUTPUTS
A3 A2 A1 A0 Y0 Y1 Y2 Y3 Y4 Y5 Y6 Y7 Y8 Y9
L
L
L
L
L
L
L
L
L
L
H
H
L
H
L
L
H
L
H
H
H
H
L
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
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
L
H
L
H
H
H
H
L
H
H
H
L
H
H
H
H
H
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
L
H
L
H
H
H
H
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.4 Functional diagram.
Note
1. H = HIGH voltage level
L = LOW voltage level
Fig.5 Logic diagram.
December 1990
4
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
Philips Semiconductors
Product specification
BCD to decimal decoder (1-of-10)
74HC/HCT42
AC WAVEFORMS
(1) HC : VM = 50%; VI = GND to VCC
.
HCT: VM = 1.3 V; VI = GND to 3 V.
Fig.6 Waveforms showing the input (An) to output (Yn) propagation delays and the output transition times.
PACKAGE OUTLINES
See “74HC/HCT/HCU/HCMOS Logic Package Outlines”.
December 1990
6
it Q
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74HC/HCT42; BCD
to decimal decoder
(1-of-10)
download datasheet
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General description
The 74HC/HCT42 are high-speed Si-gate CMOS devices and are pin compatible with low power Schottky
TTL (LSTTL). They are specified in compliance with JEDEC standard no. 7A.
Catalog by
System
•
Cross-reference
Packages
•
•
The 74HC/HCT42 decoders accept four active HIGH BCD inputs and provide 10 mutually exclusive active
LOW outputs. The active LOW outputs facilitate addressing other MSI circuits with active LOW input
enables.
End of Life
information
Distributors Go
Here!
•
•
The logic design of the '42' ensures that all outputs are HIGH when binary codes greater than nine are applied
to the inputs.
Models
•
•
The most significant input (A ) produces an useful inhibit function when the '42' is used as a 1-of-8 decoder.
3
SoC solutions
The A input can also be used as the data input in an 8-output demultiplexer application.
3
Features
●
●
●
●
●
Mutually exclusive outputs
1-of-8 demultiplexing capability
Outputs disabled for input codes above nine
Output capability: standard
I
category: MSI
CC
Datasheet
Type number Title
Publication
release date
Datasheet status
Page
count
File
size
(kB)
Datasheet
74HC/HCT42 BCD to
decimal
12/1/1990
Product
specification
6
40
Download
decoder (1-
of-10)
Additional datasheet info
To complete the device datasheet with package and family information, also download the following PDF
files. The "Logic Package Information" document is required to determine in which package(s) this device is
available.
Document
Description
1
2
3
HCT_FAMILY_SPECIFICATIONS HC/T Family Specifications, The IC06 74HC/HCT/HCMOS
Logic Family Specifications
HCT_PACKAGE_INFO
HC/T Package Info, The IC06 74HC/HCT/HCMOS Logic
Package Information
HCT_PACKAGE_OUTLINES
HC/T Package Outlines, The IC06 74HC/HCT/HCMOS
Logic Package Outlines
Parametrics
Type
Package Description Propagation Voltage No. Power
Logic
Output
number
Delay(ns)
of Dissipation
Switching Drive
Pins Considerations Levels
Capability
BCD to
Low Power or
16 Battery
Applications
SOT109
(SO16)
Decimal
Decoder (1-
of-10)
5 Volts
+
74HC42D
74HC42N
15
CMOS
CMOS
Low
BCD to
Low Power or
16 Battery
SOT38-1
(DIP16)
Decimal
Decoder (1-
of-10)
5 Volts
+
15
Low
Low
Applications
BCD to
Decimal
Decoder (1- 15
of-10); TTL
Enabled
Low Power or
16 Battery
SOT109
(SO16)
5 Volts
+
74HCT42D
74HCT42N
TTL
TTL
Applications
BCD to
Decimal
Decoder (1- 15
of-10); TTL
Enabled
Low Power or
16 Battery
Applications
SOT38-1
(DIP16)
5 Volts
+
Low
Products, packages, availability and ordering
Type
North
Ordering code Marking/Packing Package Device status Buy online
Discretes
number
American (12NC)
type
packing info
number
Standard Marking
74HC42D 74HC42D 9337 148 60652 * Bulk Pack,
CECC
SOT109
(SO16)
Full production
Full production
Full production
Full production
Full production
Full production
Standard Marking
SOT109
(SO16)
74HC42D-
T
9337 148 60653 * Reel Pack,
SMD, 13", CECC
Standard Marking
SOT38-1
(DIP16)
74HC42N 74HC42N 9336 697 90652 * Bulk Pack,
CECC
Standard Marking
74HCT42D 74HCT42D 9337 153 40652 * Bulk Pack,
CECC
SOT109
(SO16)
Standard Marking
SOT109
(SO16)
74HCT42D-
T
9337 153 40653 * Reel Pack,
SMD, 13", CECC
Standard Marking
SOT38-1
(DIP16)
74HCT42N 74HCT42N 9336 704 20652 * Bulk Pack,
CECC
Similar products
74HC/HCT42 links to the similar products page containing an overview of products that are similar in
function or related to the type number(s) as listed on this page. The similar products page includes products
from the same catalog tree(s), relevant selection guides and products from the same functional category.
Support & tools
HC/T Family Specifications, The IC06 74HC/HCT/HCMOS Logic Family Specifications(date 01-Mar-
98)
HC/T User Guide(date 01-Nov-97)
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