SN74LS138D
- Mfr.Part #
- SN74LS138D
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC DECODER/DEMUX 1X3:8 16SOIC
- Stock
- 81,868
- In Stock :
- 81,868
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- Manufacturer :
- Texas Instruments
- Product Category :
- Signal Switches, Multiplexers, Decoders
- Width :
- 3.91mm
- Radiation Hardening :
- No
- JESD-609 Code :
- e4
- Circuit :
- 1 x 3:8
- Number of Pins :
- 16
- Operating Supply Voltage :
- 5V
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Supply Type :
- Single
- Manufacturer Package Identifier :
- D(R-PDSO-G16)
- Lead Free :
- Lead Free
- Factory Lead Time :
- 6 Weeks
- Family :
- LS
- REACH SVHC :
- No SVHC
- Number of Terminations :
- 16
- Pbfree Code :
- yes
- ECCN Code :
- EAR99
- Polarity :
- Inverting
- Supply Voltage :
- 5V
- Bandwidth :
- 35MHz
- Terminal Position :
- Dual
- Operating Temperature :
- 0°C~70°C
- Voltage - Supply :
- 4.75V~5.25V
- Mount :
- Surface Mount
- Power Supplies :
- 5V
- Logic Function :
- Decoder, Demultiplexer
- RoHS Status :
- ROHS3 Compliant
- Thickness :
- 1.58mm
- Peak Reflow Temperature (Cel) :
- 260
- Weight :
- 141.690917mg
- Number of Bits :
- 8
- Pin Count :
- 16
- Length :
- 9.9mm
- Number of Circuits :
- 1
- Type :
- Decoder/Demultiplexer
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Packaging :
- Tube
- Number of Outputs :
- 8
- Voltage Supply Source :
- Single Supply
- Terminal Form :
- Gull wing
- Series :
- 74LS
- Number of Inputs :
- 3
- Number of Functions :
- 1
- Mounting Type :
- Surface Mount
- Current - Output High, Low :
- 400μA 8mA
- Input Conditioning :
- Standard
- Lifecycle Status :
- ACTIVE (Last Updated: 4 days ago)
- Base Part Number :
- 74LS138
- Propagation Delay :
- 21 ns
- Turn On Delay Time :
- 41 ns
- Height :
- 1.75mm
- Datasheets
- SN74LS138D
SN74LS138D Documents

Signal Switches, Multiplexers, Decoders Texas Instruments SN74LS138D Overview
The Texas Instruments SN74LS138D is a high-performance, monolithic three-line to eight-line decoder/demultiplexer. This integrated circuit (IC) is designed to facilitate the specific applications that require the distribution of a single input signal into multiple output lines. The SN74LS138D is manufactured using advanced silicon-gate technology, offering precise decoding or demultiplexing of signals, which is essential for managing complex electronic systems. Its distinctive features include low power consumption and high noise immunity, making it particularly suitable for interfacing with standard logic families. This versatility and reliability underscore the Signal Switches, Multiplexers, Decoders Texas Instruments SN74LS138D as an optimal solution for demanding digital logic applications, driving its demand in various technology sectors.
SN74LS138D Features
- Decodes and demultiplexes a single 3-bit input into eight mutually exclusive outputs.
- Operates from a 2V to 6V VCC supply, providing flexibility across different power setups.
- Low power consumption and low standby current enhance system efficiency and minimize thermal output.
- High noise immunity and low propagation delay maintain signal integrity in noisy environments.
- Designed with a 16-pin SOIC package for optimal board space utilization.
SN74LS138D Applications
- Digital Computers: Used in routing digital signals to multiple output lines within CPUs and GPUs.
- Communication Systems: Facilitates signal distribution in telecommunication setups for data routing and management.
- Instrumentation and Testing Equipment: Essential for channel selection in automated test setups, ensuring accurate data acquisition.
- Consumer Electronics: Integrated into various home electronics for efficient signal decoding and device functionality.
- Alarm Systems: Key component in alarm systems for decoding and directing signals to the appropriate alerting circuits.
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