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HomeProductsIntegrated Circuits (ICs)Logic - Signal Switches, Multiplexers, DecodersSN74LS251NSR
SN74LS251NSR Image
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See specifications for product details.

SN74LS251NSR - Texas Instruments

Manufacturer Part Number
SN74LS251NSR
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74LS251NSR
ECAD Model
Parts Description
IC MULTIPLEXER 1 X 8:1 16SO
Detailed Description
Package
16-SOIC (0.209", 5.30mm Width)
Data sheet
SN54,74(LS,S)251 (TIM9905).pdf
RoHs Status
ROHS3 Compliant
In stock: 105160

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Quantity

Specifications

SN74LS251NSR Tech Specifications
Texas Instruments - SN74LS251NSR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74LS251NSR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage Supply Source Single Supply  
Voltage - Supply 4.75V ~ 5.25V  
Type Multiplexer  
Supplier Device Package 16-SO  
Series 74LS  
Package / Case 16-SOIC (0.209", 5.30mm Width)  
Product Attribute Attribute Value  
Package Tape & Reel (TR)  
Operating Temperature 0°C ~ 70°C  
Mounting Type Surface Mount  
Independent Circuits 1  
Current - Output High, Low 2.6mA, 8mA  
Circuit 1 x 8:1  
Base Product Number 74LS251  

Parts Introduction

Manufacturer Part Number

SN74LS251NSR

Manufacturer

Texas Instruments

Introduction

8-Bit Digital Multiplexer

Product Features and Performance

8 data inputs, 1 data output

High-performance TTL compatible

Propagation delay: 10 ns (typ)

Latch-up prevention

Receiver input hysteresis

Product Advantages

High reliability

Low power consumption

High noise immunity

Excellent switching characteristics

Key Technical Parameters

Operating Voltage: 4.75V to 5.25V

Output Current: 2.6mA (High), 8mA (Low)

Operating Temperature: 0°C to 70°C

Propagation Delay: 10 ns (typical)

Quality and Safety Features

RoHS3 compliant

Designed and manufactured to high quality standards

Compatibility

Suitable for a variety of digital logic applications

Compatible with standard TTL and CMOS logic circuits

Application Areas

Data multiplexing

Address decoding

Digital switching

Logic control

Product Lifecycle

Currently in active production

Replacement or upgrade options available if needed

Key Reasons to Choose This Product

Reliable and high-performance multiplexer

Low power consumption and fast switching

Wide operating temperature range

RoHS compliance for environmental safety

Proven track record and availability from a trusted manufacturer

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74LS251NSR

Product Attribute SN74LS251NSR SN74LS253N SN74LS253DR SN74LS251N
Part Number SN74LS251NSR SN74LS253N SN74LS253DR SN74LS251N
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Circuit 1 x 8:1 2 x 4:1 2 x 4:1 1 x 8:1
Voltage Supply Source Single Supply Single Supply Single Supply Single Supply
Independent Circuits 1 1 1 1
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C 0°C ~ 70°C
Base Product Number 74LS251 74LS253 74LS253 74LS251
Mounting Type Surface Mount Through Hole Surface Mount Through Hole
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Package / Case 16-SOIC (0.209", 5.30mm Width) 16-DIP (0.300", 7.62mm) 16-SOIC (0.154", 3.90mm Width) 16-DIP (0.300", 7.62mm)
Supplier Device Package 16-SO 16-PDIP 16-SOIC 16-PDIP
Package Tape & Reel (TR) Tube Tape & Reel (TR) Tube
Type Multiplexer Multiplexer Multiplexer Multiplexer
Current - Output High, Low 2.6mA, 8mA 2.6mA, 8mA 2.6mA, 8mA 2.6mA, 8mA
Series 74LS 74LS 74LS 74LS

SN74LS251NSR Datasheet PDF

Download SN74LS251NSR pdf datasheets and Texas Instruments documentation for SN74LS251NSR - Texas Instruments.

PCN Packaging
Carrier Tape Revision B 30/Mar/2015.pdf Carrier Tape Revision A 06/Mar/2015.pdf
HTML Datasheet
SN54,74(LS,S)251 (TIM9905).pdf

Shipment

Delivery Time

In-stock items can be shipped within 24 hours. Some parts will be arranged for delivery within 1-2 days from the date all items arrive at our warehouse. And Allelco ships order once a day at about 17:00, except Sunday. Once the goods are shipped, the estimated delivery time depends on the shipping methods and Delivery destination. The table below shows are the logistic time for some common countries.

Delivery Cost

  1. Use your express account for shipment if you have one.
  2. Use our account for the shipment. Refer to the table below for the approximate charges.
(Different time frame / countries / package size has different price.)

Delivery Method

  1. Global Common Shipment by DHL / UPS / FedEx / TNT / EMS / SF we support.
  2. Others more shipping ways, please get in touch with your customer manager.

Common Countries Logistic Time Reference
Region Country Logistic Time(Day)
America United States 5
Brazil 7
Europe Germany 5
United Kingdom 4
Italy 5
Oceania Australia 6
New Zealand 5
Asia India 4
Japan 4
Middle East Israel 6
DHL & FedEx Shipment Charges Reference
Shipment charges(KG) Reference DHL(USD$)
0.00kg-1.00kg USD$30.00 - USD$60.00
1.00kg-2.00kg USD$40.00 - USD$80.00
2.00kg-3.00kg USD$50.00 - USD$100.00
Note:
The above table is for reference only. There may have some data bias for the uncontrollable factors.
Contact us if you have any questions.

Payment Support

The payment method can be chosen from the methods shown below: Wire Transfer (T/T, Bank Transfer), Western Union, Credit card, PayPal.

Your Faithful Supply Chain Partner -

Contact us if you have any questions.

  1. Phone
    +00852 9146 4856

Certifications & Memberships

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SN74LS251NSR Image

SN74LS251NSR

Texas Instruments
32D-SN74LS251NSR

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