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Logic / Decoder/Drivers / SN74LS42D
Datasheets
SN74LS42D by:
Texas Instruments
Freescale Semiconductor
Motorola Mobility LLC
Motorola Semiconductor Products
onsemi
Rochester Electronics LLC
Texas Instruments
Not Found

4-Line BCD To 10-Line Decimal Decoders 16-SOIC 0 to 70

Part Details for SN74LS42D by Texas Instruments

Results Overview of SN74LS42D by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Consumer Electronics

SN74LS42D Information

SN74LS42D by Texas Instruments is a Decoder/Driver.
Decoder/Drivers are under the broader part category of Logic Components.

Digital logic governs the behavior of signals in electronic circuits, enabling complex decisions based on simple binary inputs (yes/no). Logic components perform operations from these signals. Read more about Logic Components on our Logic part category page.

Price & Stock for SN74LS42D

Part # Distributor Description Stock Price Buy
DISTI # 296-3708-5-ND
DigiKey IC DECODER/DEMUX 1X4:10 16SOIC Min Qty: 1 Lead time: 12 Weeks Container: Tube 29
In Stock
  • 1 $2.7000
  • 10 $2.0160
  • 40 $1.7717
  • 120 $1.6353
  • 280 $1.5554
  • 520 $1.5078
  • 1,000 $1.4658
  • 2,520 $1.4182
  • 5,000 $1.3901
$1.3901 / $2.7000 Buy Now
DISTI # 595-SN74LS42D
Mouser Electronics Encoders, Decoders, Multiplexers & Demultiplexers 4-Ln BCD To 10-Ln De cimal Decoders RoHS: Compliant 588
  • 1 $3.9600
  • 10 $2.6200
  • 25 $2.3800
  • 120 $2.0300
  • 280 $1.9200
  • 520 $1.7200
  • 1,000 $1.4700
  • 2,520 $1.3800
  • 5,000 $1.3300
$1.3300 / $3.9600 Buy Now
DISTI # J56:1989_00103645
Arrow Electronics Decoder/Demultiplexer Single 4-to-10 16-Pin SOIC Tube RoHS: Compliant Min Qty: 40 Package Multiple: 40 Lead time: 12 Weeks Europe - 40
  • 40 $1.0878
$1.0878 Buy Now
Rochester Electronics SN74LS42 4-Line BCD To 10-Line Decimal Decoders RoHS: Compliant Status: Active Min Qty: 1 22
  • 1 $1.3000
  • 25 $1.2700
  • 100 $1.2200
  • 500 $1.1700
  • 1,000 $1.1100
$1.1100 / $1.3000 Buy Now

Part Details for SN74LS42D

SN74LS42D CAD Models

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SN74LS42D Part Data Attributes

Parametric Data
SN74LS42D Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74LS42D Texas Instruments 4-Line BCD To 10-Line Decimal Decoders 16-SOIC 0 to 70
Select a part to compare:
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description SO-16
Pin Count 16
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Family LS
Input Conditioning STANDARD
JESD-30 Code R-PDSO-G16
JESD-609 Code e4
Length 9.9 mm
Load Capacitance (CL) 15 pF
Logic IC Type DECIMAL DECODER/DRIVER
Max I(ol) 0.008 A
Moisture Sensitivity Level 1
Number of Bits 10
Number of Functions 1
Number of Terminals 16
Operating Temperature-Max 70 °C
Operating Temperature-Min
Output Polarity INVERTED
Package Body Material PLASTIC/EPOXY
Package Code SOP
Package Equivalence Code SOP16,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 10 mA
Prop. Delay@Nom-Sup 30 ns
Propagation Delay (tpd) 30 ns
Qualification Status Not Qualified
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) 30
Width 3.9 mm

Alternate Parts for SN74LS42D

This table gives cross-reference parts and alternative options found for SN74LS42D. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of SN74LS42D, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
SN74LS42DR2 onsemi Check for Price LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDSO16, PLASTIC, SOIC-16 SN74LS42D vs SN74LS42DR2
SN74LS42D Motorola Mobility LLC Check for Price LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDSO16, SOIC-16 SN74LS42D vs SN74LS42D
SN74LS42DE4 Texas Instruments Check for Price LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDSO16, SO-16 SN74LS42D vs SN74LS42DE4
DM74LS42M Texas Instruments Check for Price LS SERIES, DECIMAL DECODER/DRIVER, INVERTED OUTPUT, PDSO16, PLASTIC, SOP-16 SN74LS42D vs DM74LS42M
Part Number Manufacturer Composite Price Description Compare
CD74HCT139MT Texas Instruments Check for Price HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, GREEN, PLASTIC, MS-012AC, SOIC-16 SN74LS42D vs CD74HCT139MT
TC74ACT138FN Toshiba America Electronic Components Check for Price IC ACT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16, 0.150 INCH, 1.27 MM PITCH, PLASTIC, SOP-16, Decoder/Driver SN74LS42D vs TC74ACT138FN
933730170652 NXP Semiconductors Check for Price IC HC/UH SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP24, DIP-24, Decoder/Driver SN74LS42D vs 933730170652
SN74HCT138DW-00 Texas Instruments Check for Price HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO16 SN74LS42D vs SN74HCT138DW-00
JM38510/33701 Texas Instruments Check for Price F/FAST SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, CQCC20 SN74LS42D vs JM38510/33701
IDT74LVC138APY Integrated Device Technology Inc Check for Price Decoder/Driver, LVC/LCX/Z Series, Inverted Output, CMOS, PDSO16, SSOP-16 SN74LS42D vs IDT74LVC138APY
DV74HC154N avg Semiconductors Check for Price Decoder/Driver, HC/UH Series, Inverted Output, CMOS, PDIP24, PLASTIC, DIP-24 SN74LS42D vs DV74HC154N
CD74HCT154ME4 Texas Instruments Check for Price HCT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDSO24, GREEN, PLASTIC, SOIC-24 SN74LS42D vs CD74HCT154ME4
74ACT138SC Fairchild Semiconductor Corporation Check for Price Decoder/Driver, ACT Series, Inverted Output, CMOS, PDSO16, 0.150 INCH, MS-012, SOIC-16 SN74LS42D vs 74ACT138SC
74ACT139PC Texas Instruments Check for Price ACT SERIES, OTHER DECODER/DRIVER, INVERTED OUTPUT, PDIP16, 0.300 INCH, PLASTIC, DIP-16 SN74LS42D vs 74ACT139PC

SN74LS42D Related Parts

SN74LS42D Frequently Asked Questions (FAQ)

  • The maximum operating frequency of the SN74LS42D is 35 MHz.

  • No, the SN74LS42D is a 5V device and is not compatible with 3.3V systems. You may need to use a level shifter or a different device that is compatible with 3.3V systems.

  • The SN74LS42D has a maximum power dissipation of 500 mW. To handle heat dissipation, ensure good airflow around the device, use a heat sink if necessary, and follow proper PCB design and layout guidelines.

  • Yes, the SN74LS42D is a TTL (Transistor-Transistor Logic) device and is compatible with TTL logic levels.

  • The SN74LS42D is a commercial-grade device and may not meet the requirements for high-reliability or aerospace applications. You may need to use a different device that is specifically designed for high-reliability or aerospace applications.