SN74HCT138D
- Mfr.Part #
- SN74HCT138D
- Manufacturer
- Texas Instruments
- Package / Case
- 16-SOIC (0.154, 3.90mm Width)
- Datasheet
- Download
- Description
- IC DECODER/DEMUX 1X3:8 16SOIC
- Stock
- 165,790
- In Stock :
- 165,790
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- Manufacturer :
- Texas Instruments
- Product Category :
- Signal Switches, Multiplexers, Decoders
- Lifecycle Status :
- ACTIVE (Last Updated: 3 days ago)
- Length :
- 9.9mm
- Width :
- 3.91mm
- Family :
- HCT
- Voltage Supply Source :
- Single Supply
- Number of Terminations :
- 16
- REACH SVHC :
- No SVHC
- Moisture Sensitivity Level (MSL) :
- 1 (Unlimited)
- Packaging :
- Cut Tape (CT)
- Turn On Delay Time :
- 45 ns
- Height :
- 1.75mm
- Circuit :
- 1 x 3:8
- Current - Output High, Low :
- 4mA 4mA
- Contact Plating :
- Gold
- Power Supplies :
- 5V
- Radiation Hardening :
- No
- Terminal Finish :
- Matte Tin (Sn)
- Number of Circuits :
- 1
- Supply Voltage :
- 5V
- Package / Case :
- 16-SOIC (0.154, 3.90mm Width)
- Input Conditioning :
- Standard
- Load Capacitance :
- 50pF
- Base Part Number :
- 74HCT138
- Mounting Type :
- Surface Mount
- Terminal Position :
- Dual
- Operating Temperature :
- -40°C~85°C
- Supply Type :
- Single
- Factory Lead Time :
- 6 Weeks
- JESD-609 Code :
- e3
- Logic Function :
- Decoder, Demultiplexer
- Bandwidth :
- 28MHz
- Series :
- 74HCT
- ECCN Code :
- EAR99
- Number of Outputs :
- 8
- Number of Bits :
- 8
- Terminal Form :
- Gull wing
- Pin Count :
- 16
- Number of Pins :
- 16
- Thickness :
- 1.58mm
- Type :
- Decoder/Demultiplexer
- Voltage - Supply :
- 4.5V~5.5V
- Number of Functions :
- 1
- Number of Inputs :
- 3
- Max I(ol) :
- 0.004 A
- Operating Supply Voltage :
- 5V
- Propagation Delay :
- 45 ns
- Packing Method :
- TR
- RoHS Status :
- ROHS3 Compliant
- Mount :
- Surface Mount
- Peak Reflow Temperature (Cel) :
- 260
- Weight :
- 141.690917mg
- Pbfree Code :
- yes
- Quiescent Current :
- 80μA
- Polarity :
- Inverting
- Lead Free :
- Lead Free
- Datasheets
- SN74HCT138D

Signal Switches, Multiplexers, Decoders Texas Instruments SN74HCT138D Overview
The SN74HCT138D, manufactured by Texas Instruments, is an integrated circuit decoder/demultiplexer designed to efficiently decode a three-bit binary code into eight mutually exclusive outputs. With its 16-pin SOIC package, this decoder offers compactness and versatility, making it an ideal choice for various digital applications.
SN74HCT138D Features
- High-speed CMOS technology: Ensures fast operation and low power consumption.
- Three-bit binary input: Allows decoding of eight different outputs.
- 16-pin SOIC package: Provides compactness and ease of integration into circuit designs.
- Wide operating voltage range: From 2V to 6V, making it suitable for a range of applications.
- Wide temperature range: -40°C to 85°C, ensuring reliable performance in various environmental conditions.
SN74HCT138D Applications
- Data distribution: The SN74HCT138D is commonly used in digital systems to decode address lines, enabling efficient data distribution in microcontroller-based projects and memory interfacing applications.
- Address decoding: In memory systems such as RAM and ROM, this decoder facilitates the selection of specific memory locations based on input address signals, enhancing memory access efficiency.
- Peripheral control: Integrated into control units and interface circuits, the SN74HCT138D plays a crucial role in selecting and activating various peripheral devices, optimizing system performance and functionality.
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