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SN74LS251NSR

Texas Instruments

SN74LS251NSR by Texas Instruments

SN74LS251NSR by Texas Instruments is an 8-input multiplexer with a propagation delay of 45ns. Operating at a nominal voltage of 5V, it features a small outline package style and 3-STATE output characteristics. Ideal for applications requiring high-speed data switching in commercial temperature environments.

Median Price

$1.240

Lifecycle Status

Suppliers In-Stock

5

In-Stock Inventory

1k+

Distributors (Authorized)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

DigiKey

USA . 5,938 parts In-Stock

1+ parts

$1.240

100+ parts

$0.719

1k+ parts

$0.625

10k+ parts

$0.576

5,938

$1.240

$0.719

$0.625

$0.576

Mouser Electronics

USA . 1,489 parts In-Stock

1+ parts

$1.240

100+ parts

$0.720

1k+ parts

$0.626

10k+ parts

$0.587

1,489

$1.240

$0.720

$0.626

$0.587

Distributors (In-Stock)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Nova Conductors

Japan . 100 parts In-Stock

1+ parts

$0.455

100+ parts

-

1k+ parts

-

10k+ parts

-

100

$0.455

-

-

-

Digiode

USA . 3,203 parts In-Stock

1+ parts

$0.922

100+ parts

-

1k+ parts

-

10k+ parts

-

3,203

$0.922

-

-

-

Vyrian

USA . 2,475 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

2,475

-

-

-

-

Distributors (Availability)

Supplier In-Stock 1+ parts 100+ parts 1k+ parts 10k+ parts

Argo Parts USA

USA . 2,415 parts In-Stock

1+ parts

$0.455

100+ parts

-

1k+ parts

-

10k+ parts

$0.441

2,415

$0.455

-

-

$0.441

Continental Prestige Electronics

USA . 2,222 parts In-Stock

1+ parts

$0.455

100+ parts

-

1k+ parts

-

10k+ parts

$0.446

2,222

$0.455

-

-

$0.446

Ampacity Inc.

Singapore . 2,532 parts In-Stock

1+ parts

$0.820

100+ parts

-

1k+ parts

-

10k+ parts

-

2,532

$0.820

-

-

-

Corphita

USA . 106 parts In-Stock

1+ parts

$0.873

100+ parts

-

1k+ parts

-

10k+ parts

-

106

$0.873

-

-

-

Semicontronic

India . 2,278 parts In-Stock

1+ parts

$1.790

100+ parts

$1.745

1k+ parts

$1.736

10k+ parts

-

2,278

$1.790

$1.745

$1.736

-

Parana Technologies

USA . 1,651 parts In-Stock

1+ parts

$14.087

100+ parts

-

1k+ parts

$14.552

10k+ parts

-

1,651

$14.087

-

$14.552

-

ChromeModa Solutions

Germany . 5,938 parts In-Stock

1+ parts

$15.828

100+ parts

$12.979

1k+ parts

-

10k+ parts

-

5,938

$15.828

$12.979

-

-

IDEA Electronic Components Group

UK . 1,593 parts In-Stock

1+ parts

$15.828

100+ parts

$15.037

1k+ parts

$14.245

10k+ parts

-

1,593

$15.828

$15.037

$14.245

-

Corohmni

South Africa . 742 parts In-Stock

1+ parts

$28.620

100+ parts

-

1k+ parts

-

10k+ parts

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742

$28.620

-

-

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QUARKTWIN TECHNOLOGY LTD

USA . 6,890 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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6,890

-

-

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Microchip USA

USA . 3,756 parts In-Stock

1+ parts

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3,756

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Perfect Parts

USA . 2,896 parts In-Stock

1+ parts

-

100+ parts

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2,896

-

-

-

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Metaverse IC Inc.

Canada . 2,000 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

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2,000

-

-

-

-

DigiPath Technology Company

USA . 1,613 parts In-Stock

1+ parts

-

100+ parts

$14.271

1k+ parts

-

10k+ parts

-

1,613

-

$14.271

-

-

Netroflash

USA . 500 parts In-Stock

1+ parts

-

100+ parts

$0.446

1k+ parts

$0.432

10k+ parts

$0.423

500

-

$0.446

$0.432

$0.423

Overview

Elevate your electronics projects with the SN74LS251NSR by Texas Instruments. As a leading manufacturer in the industry, Texas Instruments ensures top-notch quality and reliability. This multiplexer & demultiplexer offers unmatched performance, making it ideal for a wide range of applications. With 8 inputs and 8 bits, this product provides seamless integration and efficient operation. Experience the value and benefits of Texas Instruments' innovative technology with the SN74LS251NSR - your go-to solution for all your electronic needs.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

PLASTIC/EPOXY material is durable and lightweight, making the product suitable for various applications.

Maximum Supply Voltage: 5.5 V

Allows for flexibility in power supply options and compatibility with a wide range of power sources.

On Chip Data RAM Width: 8

8-bit data RAM allows for efficient data processing and storage.

Screening Level: TS 16949

TS 16949 screening level ensures high quality and reliability in the product.

Bit Size: 8

8-bit architecture provides compatibility with a wide range of software and peripherals.

Power Supplies (V): 2.5/5

Dual power supply options provide versatility and backup power capabilities.

No. of Terminals: 18

Sufficient number of terminals for connecting to various external devices and peripherals.

Package Style (Meter): IN-LINE

IN-LINE package style allows for space-efficient mounting and easy integration into existing systems.

Minimum Supply Voltage: 3 V

Supports low power operation and energy-efficient applications.

Maximum Operating Temperature: 85 °C

Wide operating temperature range ensures reliability in various environmental conditions.

CPU Family: PIC16

Belongs to the PIC16 family known for its high performance and versatility in microcontroller applications.

Minimum Operating Temperature: -40 °C

Can operate in extreme cold temperatures, suitable for a wide range of applications.

Terminal Finish: MATTE TIN

MATTE TIN finish provides corrosion resistance and durability to the terminals.

ADC Channels: YES

Built-in Analog to Digital Converters allow for easy interfacing with analog sensors and devices.

Terminal Position: DUAL

DUAL terminal position provides flexibility in PCB layout and component placement.

ROM Words: 4096

4096 ROM words provide ample memory for storing program instructions and data.

Maximum Seated Height: 4.32 mm

Low seated height allows for compact and slim form factor in product design.

Width: 7.62 mm

Narrow width saves space and allows for compact PCB designs.

Data EEPROM Size: 256

Offers sufficient EEPROM memory for storing non-volatile data and settings.

Peripherals: BOR, COMPARATOR(2), POR, TIMER(5), WDT

Multiple peripherals enhance the functionality and versatility of the microcontroller.

Maximum Clock Frequency: 20 MHz

High clock frequency allows for fast and efficient processing of instructions and data.

Length: 22.86 mm

Compact length enables easy integration into space-constrained designs.

Temperature Grade: INDUSTRIAL

Designed for industrial applications with robust performance and reliability.

Peripheral IC Type: MICROCONTROLLER, RISC

RISC architecture provides high performance and efficient processing capabilities.

No. of Timers: 5

Multiple timers support precision timing and control in various applications.

RAM Bytes: 368

Sufficient RAM memory for data processing and temporary storage of variables.

Technology: CMOS

CMOS technology offers low power consumption and high noise immunity.

Terminal Form: THROUGH-HOLE

Through-hole terminals provide robust mechanical connection and easy soldering.

Analog To Digital Convertors: 7-Ch 10-Bit

7-channel 10-bit ADC allows for precise analog signal conversion and measurement.

Maximum Supply Current: 4.2 mA

Low supply current enables energy-efficient operation and extends battery life.

Nominal Supply Voltage: 5 V

5V nominal supply voltage ensures compatibility with standard power sources.

PWM Channels: YES

Built-in PWM channels support precise control of output signals and motor speed.

Connectivity: EUSART, I2C, SPI

Multiple communication interfaces provide versatile connectivity options for external devices.

ROM Programmability: FLASH

Flash programmable ROM allows for easy and quick updates of firmware and software.

Terminal Pitch: 2.54 mm

Standard terminal pitch simplifies PCB layout and component placement.

Format: FIXED POINT

Fixed-point format ensures accurate and efficient numeric calculations.

Speed: 10 rpm

Support for 10 revolutions per minute speed control enables precise motor control.

Low Power Mode: YES

Low power mode allows for energy-efficient operation and extends battery life.

On Chip Program ROM Width: 14

14-bit on-chip program ROM width supports a wide range of program instructions.

No. of I/O Lines: 16

Sufficient I/O lines for interfacing with external devices and peripherals.

Technical Specifications

Multiplexer & Demultiplexer SN74LS251NSR attributes and parameters. Explore more Multiplexer & Demultiplexer devices from Texas Instruments

Specs

Family:

LS

JESD-30 Code:

R-PDSO-G16

JESD-609 Code:

e4

Length:

10.2 mm

Load Capacitance (CL):

15 pF

Logic IC Type:

Maximum I (ol):

8 Amp

Moisture Sensitivity Level (MSL):

1

No. of Bits:

8

No. of Functions:

1

No. of Inputs:

8

No. of Outputs:

1

No. of Terminals:

16

Maximum Operating Temperature:

70 Cel

Minimum Operating Temperature:

0 Cel

Output Characteristics:

3-STATE

Output Polarity:

COMPLEMENTARY

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP16,.3

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Packing Method:

TR

Peak Reflow Temperature (C):

260

Power Supplies (V):

5

Maximum Power Supply Current (ICC):

12 mA

Propagation Delay At Nominal Supply:

45 ns

Propagation Delay (tpd):

45 ns

Qualification:

Not Qualified

Maximum Seated Height:

2 mm

Sub-Category:

Multiplexer/Demultiplexers

Maximum Supply Voltage (Vsup):

5.25 V

Minimum Supply Voltage (Vsup):

4.75 V

Nominal Supply Voltage / Vsup (V):

5

Surface Mount:

YES

Technology:

TTL

Temperature Grade:

Terminal Finish:

Nickel/Palladium/Gold (Ni/Pd/Au)

Terminal Form:

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Time At Peak Reflow Temperature (s):

NOT SPECIFIED

Width:

5.3 mm

Trade Compliance

SN74LS251NSR Logic ICs trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

PCN

Manufacturer Highlights

Texas Instruments

Texas Instruments Inc. (TI) is one of the world's leading semiconductor companies and a global leader in analog and digital signal processing technology. The company has had a major impact on the electronics industry for over 80 years, manufacturing integrated circuits (ICs), software and subsystems that leverage high-performance computing capabilities. It offers an extensive portfolio of solutions for a wide range of industries, from aerospace to medical devices and consumer products to communication systems. Over its long history, TI has become synonymous with quality, reliability and innovation. Today, TI is one of the largest semiconductor companies in the world with operations in more than 30 countries across six continents.

The material and information contained is this video is for educational and general information purposes. All rights remain with respective rightsholders. Fair Use Statement

Management team

President, CEO

Haviv Ilan

Chairman

Richard K. Templeton

Senior VP, CFO

Rafael R. Lizardi

Manufacturer fab locations 15

Fab name Location Fab Initiation Wafer Capacity

M - Fab

Fabrication

Fab Initiation

1997

USA

South Portland

Wafer Capacity

32,000

1997

32,000

D - FAB

Fabrication

Fab Initiation

1966

USA

Dallas

Wafer Capacity

42,000

1966

42,000

D MOS - 6

Fabrication

Fab Initiation

2002

USA

Dallas

Wafer Capacity

25,000

2002

25,000

D MOS - 5

Fabrication

Fab Initiation

1995

USA

Dallas

Wafer Capacity

75,000

1995

75,000

Miho - 8

Fabrication

Fab Initiation

1980

Japan

Inashiki

Wafer Capacity

43,000

1980

43,000

S FAB 1

Fabrication

Fab Initiation

1966

USA

Sherman

Wafer Capacity

91,000

1966

91,000

F - FAB

Fabrication

Fab Initiation

2001

Germany

Freising

Wafer Capacity

37,000

2001

37,000

R Fab 1

Fabrication

Fab Initiation

2010

USA

Richardson

Wafer Capacity

40,000

2010

40,000

D HC Line

Fabrication

Fab Initiation

1999

USA

Dallas

Wafer Capacity

2,000

1999

2,000

JV3

Fabrication

Fab Initiation

2001

Japan

Aizu Wakamatsu

Wafer Capacity

45,000

2001

45,000

C - FAB

Fabrication

Fab Initiation

2007

China

Chengdu

Wafer Capacity

30,000

2007

30,000

L - Fab

Fabrication

Fab Initiation

2015

USA

Lehi

Wafer Capacity

70,000

2015

70,000

R - Fab 2

Fabrication

Fab Initiation

2022

USA

Richardson

Wafer Capacity

2022

S - FAB 2

Fabrication

Fab Initiation

2025

USA

Sherman

Wafer Capacity

2025

S - FAB 3

Fabrication

Fab Initiation

2028

USA

Sherman

Wafer Capacity

2028

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