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SN74AHCT138DBR The Texas Instruments SN74AHCT138DBR is a 3-line to 8-line decoder/demultiplexer. It features TTL-voltage compatible inputs and operates over a temperature range of -40°C to 85°C.
Mfr Part #:

SN74AHCT138DBR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74AHCT138DBR is a 3-line to 8-line decoder/demultiplexer. It features TTL-voltage compatible inputs and operates over a temperature range of -40°C to 85°C.
✓ Total Stock: 1,680 pcs
$ Price Range: $0.18

SN74AHCT138DBR Available from 1 distributor

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✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Bristol Electronics ✓
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1,680 pcs
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1680 pcs On Request 1 On Request On Request On Request On Request On Request
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SN74AHCT138DBR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Circuit
Current
Independent Circuits
Inputs
Latch-up Performance
Mounting Type
Operating Temperature
SVHC Present
Supplier Device Package
Supplier Package
Type
Voltage
Voltage Supply Source
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SN74AHCT138DBR Description

Short technical summary and product information.

The SN74AHCT138DBR from Texas Instruments is a high-speed 3-line to 8-line decoder/demultiplexer designed for memory decoding and data-routing applications. It incorporates three enable inputs for simplified cascading and data reception.

 

This device features TTL-voltage compatible inputs and operates within a supply voltage range of 4.5V to 5.5V. The typical output current is 8mA. It is designed for high-performance systems requiring short propagation delays.

 

The SN74AHCT138DBR is available in a 16-SSOP package, suitable for surface mounting. Its operating temperature range is -40°C to 85°C. The component offers robust ESD protection, exceeding ±2000V for the human-body model and ±1000V for the charged-device model, with latch-up performance exceeding 250mA per JESD 17.

SN74AHCT138DBR Quick Information

Product Type: Decoder/Demultiplexer
Series: SN74AHCT138
Canonical Name: SN74AHCT138 3-Line to 8-Line Decoder/Demultiplexer
Subcategory: 3-Line to 8-Line Decoder / Demultiplexer

SN74AHCT138DBR Compliance

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

SN74AHCT138DBR Estimated Pricing

Qty Low High
1+ $0.18 $0.18

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

SN74AHCT138DBR Features

  • 3-line to 8-line decoder/demultiplexer function.
  • TTL-voltage compatible inputs.
  • Operates from 4.5V to 5.5V supply voltage.
  • Surface mountable 16-SSOP package.
  • Wide -40°C to 85°C operating temperature.

SN74AHCT138DBR Applications

  • High-speed memory decoding.
  • Data-transmission systems.
  • Data routing applications.
  • Logic system expansion.

SN74AHCT138DBR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74AHCT138DBR?

4.5V to 5.5V.

What package does the SN74AHCT138DBR come in?

16-SSOP surface-mount package.

What is the operating temperature range?

-40°C to 85°C.

What is the circuit configuration?

1 x 3:8 decoder/demultiplexer.

What ESD protection does the device have?

±2000V HBM and ±1000V CDM.

What is the typical output current per channel?

8mA.

Are the inputs compatible with TTL levels?

Yes, inputs are TTL-voltage compatible.

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