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SN74HC138NSR The SN74HC138NSR from Texas Instruments is a 3-line to 8-line decoder/demultiplexer. It operates over a wide voltage range and features low power consumption.
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SN74HC138NSR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74HC138NSR from Texas Instruments is a 3-line to 8-line decoder/demultiplexer. It operates over a wide voltage range and features low power consumption.
✓ Total Stock: 229,101 pcs
$ Price Range: $0.39

SN74HC138NSR Available from 2 distributors

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Romaks Technologies ✓
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226,000 pcs
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Xingangxin ✓
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3,101 pcs
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3101 pcs On Request 1 On Request On Request On Request On Request On Request
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SN74HC138NSR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Lead Style
Number of Channels
Propagation Delay
Supply Current
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SN74HC138NSR Description

Short technical summary and product information.

The SN74HC138NSR is a 3-line to 8-line decoder/demultiplexer IC manufactured by Texas Instruments. It belongs to the HC technology family and is designed for high-speed memory decoding and data transmission applications.

 

This device features a wide operating voltage range from 2V to 6V, making it versatile for various system designs. It offers a low power consumption with a maximum supply current of 80 µA. The typical propagation delay is 15 ns, and its outputs can drive up to 10 LSTTL loads. The SN74HC138NSR has active-low outputs and incorporates three enable inputs for simplified cascading or data reception.

 

Available in multiple package types including SSOP, SOIC, TSSOP, PDIP, and SOP, this decoder/demultiplexer is suitable for different board space requirements. Its design minimizes system decoding delays, making it effective in high-performance memory systems when used with fast enable circuits.

 

Key electrical characteristics include a maximum supply current of 80 µA, a typical propagation delay of 15 ns, and an output drive capability of ±4 mA at 5V. The low input current of a maximum of 1 µA further contributes to its efficient operation.

SN74HC138NSR Quick Information

Product Type: Decoder/Demultiplexer
Series: SN74HC138
Canonical Name: SN74HC138 3-Line to 8-Line Decoder/Demultiplexer
Subcategory: Logic

SN74HC138NSR Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74HC138NSR Estimated Pricing

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1+ $0.39 $0.39

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74HC138NSR Features

  • 3-line to 8-line decoder/demultiplexer.
  • Wide 2V to 6V operating voltage range.
  • Low power consumption, 80µA maximum ICC.
  • Typical propagation delay of 15ns.
  • Outputs can drive up to 10 LSTTL loads.

SN74HC138NSR Applications

  • High-speed memory decoders.
  • Data-transmission systems.
  • Memory decoding applications.
  • Data routing applications.

SN74HC138NSR FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range for the SN74HC138NSR?

The SN74HC138NSR operates over a voltage range of 2V to 6V.

What is the typical propagation delay of the SN74HC138NSR?

The typical propagation delay for the SN74HC138NSR is 15 ns.

What is the maximum supply current for the SN74HC138NSR?

The maximum supply current for the SN74HC138NSR is 80 µA.

What is the RoHS status of the SN74HC138NSR?

The RoHS status is RoHS3 Compliant.

What is the Moisture Sensitivity Level (MSL) for the SN74HC138NSR?

The Moisture Sensitivity Level (MSL) is 1 Unlimited.

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