SN74LS155ADG4 The Texas Instruments SN74LS155ADG4 is a Dual 2-Line to 4-Line Decoder/Demultiplexer. It operates within a voltage range of 4.75V to 5.25V and has an operating temperature range of 0°C to 70°C.
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SN74LS155ADG4

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Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74LS155ADG4 is a Dual 2-Line to 4-Line Decoder/Demultiplexer. It operates within a voltage range of 4.75V to 5.25V and has an operating temperature range of 0°C to 70°C.
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$ Price Range: $1.27

SN74LS155ADG4 Available from 1 distributor

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SN74LS155ADG4 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
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Independent Circuits
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SN74LS155ADG4 Description

Short technical summary and product information.

The SN74LS155ADG4 from Texas Instruments is a dual 2-line to 4-line decoder/demultiplexer IC. This component is designed for digital logic applications requiring decoding or demultiplexing functions.

 

Key electrical specifications include an operating voltage range of 4.75V to 5.25V, with a typical quiescent current (ICC) of 10 mA. The propagation delay (tpd) is a maximum of 27 ns. It features a bandwidth of 35 MHz and an input leakage current of up to 5 uA. The output drive current is specified as 8 mA for IOL and -0.4 mA for IOH.

 

This device is housed in a 16-SOIC package with surface mount termination. The package dimensions are 9.9 mm in length, 3.91 mm in width, and 1.58 mm in thickness, with a lead pitch of 1.27 mm. The operating temperature range is from 0°C to 70°C.

 

The SN74LS155ADG4 is part of the LS technology family and operates as a standard logic type. It has 2 independent circuits, each configured as a 2:4 decoder/demultiplexer.

SN74LS155ADG4 Quick Information

Product Type: Decoder/Demultiplexer
Series: SN74LS155A
Canonical Name: Dual 2-Line to 4-Line Decoder/Demultiplexer
Subcategory: Logic

SN74LS155ADG4 Compliance

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

SN74LS155ADG4 Estimated Pricing

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1+ $1.27 $1.27

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

SN74LS155ADG4 Features

  • Dual 2-line to 4-line decoder/demultiplexer.
  • Operates from 4.75V to 5.25V supply.
  • Maximum propagation delay of 27 ns.
  • Surface mount 16-SOIC package.
  • 0°C to 70°C operating temperature range.

SN74LS155ADG4 Applications

  • Decode addresses in microprocessor systems.
  • Demultiplex data signals in digital logic.
  • Used in 5V TTL logic designs.
  • Enable selection in multiple signal paths.

SN74LS155ADG4 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74LS155ADG4?

The operating voltage range is 4.75V to 5.25V.

What package is the SN74LS155ADG4 available in?

It is available in a 16-SOIC (0.154", 3.90mm width) surface mount package.

What is the operating temperature range?

0°C to 70°C.

What is the function of the SN74LS155ADG4?

It is a decoder/demultiplexer.

What is the configuration of the decoder/demultiplexer?

It has a 1 x 2:4 configuration with two independent circuits.

What is the maximum propagation delay?

27 ns at nominal voltage.

What is the bandwidth?

35 MHz.

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