SN74LS145NSR The Texas Instruments SN74LS145NSR is a BCD-to-Decimal Decoder/Driver IC. It operates from a 4.75V to 5.25V supply and features a 0°C to 70°C operating temperature range.
Mfr Part #:

SN74LS145NSR

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74LS145NSR is a BCD-to-Decimal Decoder/Driver IC. It operates from a 4.75V to 5.25V supply and features a 0°C to 70°C operating temperature range.
✓ Total Stock: 60,267 pcs
$ Price Range: $0.44

SN74LS145NSR Available from 1 distributor

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SN74LS145NSR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Circuit
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Independent Circuits
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Operating Temperature
Power Dissipation
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Tape & Reel
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Voltage Supply Source

SN74LS145NSR Description

Short technical summary and product information.

The SN74LS145NSR from Texas Instruments is a monolithic BCD-to-decimal decoder/driver. It consists of eight inverters and ten four-input NAND gates, providing full decoding of input logic. This ensures all outputs remain off for invalid binary input conditions.

 

This decoder features high-performance n-p-n output transistors capable of sinking up to 80 milliamperes of current, with a high breakdown voltage of 15 volts. It is designed for use as indicator or relay drivers, or as open-collector logic-circuit drivers. The device operates within a temperature range of 0°C to 70°C and requires a single supply voltage between 4.75V and 5.25V.

 

Packaged in a 16-SOIC format, the SN74LS145NSR is suitable for surface mount applications. Its inputs and outputs are compatible with TTL or DTL logic circuits, and its outputs can interface with most MOS integrated circuits. The typical power dissipation for the 'LS145 variant is 35 milliwatts.

SN74LS145NSR Quick Information

Product Type: BCD-to-Decimal Decoder/Driver
Series: 74LS
Canonical Name: SN74LS145 BCD-to-Decimal Decoder/Driver
Subcategory: BCD-to-Decimal Decoders/Drivers

SN74LS145NSR Compliance

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

SN74LS145NSR Estimated Pricing

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1+ $0.44 $0.44

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

SN74LS145NSR Features

  • BCD-to-Decimal Decoder/Driver IC
  • Operates from 4.75V to 5.25V supply
  • 0°C to 70°C operating temperature range
  • 80mA sink current capability
  • 16-SOIC surface mount package

SN74LS145NSR Applications

  • Drives indicator lamps and LEDs.
  • Used as relay driver in control systems.
  • Decodes BCD input to decimal outputs.
  • Interfaces TTL logic to MOS circuits.

SN74LS145NSR FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage of the SN74LS145NSR?

4.75V to 5.25V single supply.

What is the operating temperature range?

0°C to 70°C.

What is the package type?

16-SOIC (0.209", 5.30mm Width) surface mount.

What is the circuit configuration?

1 x 4:10 decoder.

What is the sink current?

80mA.

What is the supply current?

10000µA (10mA) maximum.

What is the power dissipation?

35mW typical.

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