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ST491ABD

STMicroelectronics

ST491ABD by STMicroelectronics

ST491ABD by STMicroelectronics is a dual line transceiver designed for EIA-422/EIA-485 applications. It operates b/w 4.5V and 5.5V, with max transmit delay of 16ns and supports industrial temp range (-40 °C to 85°C). Ideal for reliable data communication in harsh environments.

Median Price

-

Lifecycle Status

Suppliers In-Stock

3

In-Stock Inventory

1k+

Distributors (In-Stock)

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

Digiode

USA . 2,998 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

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2,998

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Anansix

USA . 2,551 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

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10k+ parts

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2,551

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Vyrian

USA . 669 parts In-Stock

1+ parts

-

100+ parts

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1k+ parts

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10k+ parts

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669

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Distributors (Availability)

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

IDEA Electronic Components Group

UK . 1,072 parts In-Stock

1+ parts

$13.299

100+ parts

-

1k+ parts

$11.969

10k+ parts

-

1,072

$13.299

-

$11.969

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MKK Technologies

India . 2,022 parts In-Stock

1+ parts

$25.007

100+ parts

-

1k+ parts

-

10k+ parts

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2,022

$25.007

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DigiPath Technology Company

USA . 2,022 parts In-Stock

1+ parts

$25.007

100+ parts

-

1k+ parts

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10k+ parts

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2,022

$25.007

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Corphita

USA . 2,915 parts In-Stock

1+ parts

-

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1k+ parts

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2,915

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Parana Technologies

USA . 1,104 parts In-Stock

1+ parts

-

100+ parts

$15.900

1k+ parts

-

10k+ parts

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1,104

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$15.900

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Overview

Unlock seamless communication with the ST491ABD from STMicroelectronics, a top-tier line driver and receiver designed for reliability in demanding environments. Built to withstand temperature extremes and deliver rapid data transmission, this compact solution enhances connectivity in industrial applications. Trust in STMicroelectronics' legacy of quality and innovation to elevate your projects, ensuring efficiency and performance that exceed expectations.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

The plastic/epoxy material provides durability and resistance to environmental factors, making it suitable for various applications.

Surface Mount: YES

Surface mount technology allows for a compact design, enabling easier integration into modern electronic circuits.

Maximum Supply Voltage: 5.5 V

A maximum supply voltage of 5.5V ensures compatibility with standard low-voltage applications.

Package Shape: RECTANGULAR

The rectangular shape optimizes space on printed circuit boards, allowing for efficient layout.

Maximum Transmit Delay: 16 ns

With a low transmit delay, this product supports high-speed data transmission, making it ideal for fast communication systems.

Power Supplies (V): 5

Operating at 5V makes it suitable for integration into a wide range of electronic devices.

No. of Terminals: 14

The 14 terminals provide multiple connection points for various functionalities, enhancing versatility in circuit design.

Package Style (Meter): SMALL OUTLINE

The small outline package style enables more compact designs, leaving room for additional components.

Minimum Supply Voltage: 4.5 V

The low minimum supply voltage allows for operation in battery-powered and energy-efficient devices.

Maximum Operating Temperature: 85 °C

Designed for high temperatures, this component is suitable for robust industrial applications.

Minimum Operating Temperature: -40 °C

A wide temperature range (-40 °C to 85°C) ensures reliable performance in harsh environments.

Terminal Finish: NICKEL PALLADIUM GOLD

The high-quality terminal finish enhances conductivity and provides resistance to corrosion, ensuring long-term reliability.

Terminal Position: DUAL

The dual terminal position facilitates better PCB layout options and improved design flexibility.

Maximum Seated Height: 1.75 mm

A compact height allows for low-profile designs, which is beneficial in space-constrained applications.

Width: 3.9 mm

Narrow width aids in high-density packing on PCBs without compromising signal integrity.

Maximum Output Low Current: 8 Amp

A high output current capability supports driving heavy loads, making it ideal for robust applications.

Differential Output: YES

Differential output enhances noise immunity and allows for longer transmission distances, crucial for reliable communication.

Length: 8.65 mm

A compact length enables efficient use of board space, fitting into tighter designs.

Minimum Out Swing: 1.5 V

A minimum out swing of 1.5V ensures strong signal integrity across varying load conditions.

Temperature Grade: INDUSTRIAL

Industrial-grade components ensure reliability and performance in various demanding applications.

Maximum Receive Delay: 30 ns

A fast receive delay time supports high-speed communications, which is essential in modern data systems.

Terminal Form: GULL WING

Gull wing terminals allow for effective soldering during assembly, ensuring secure connections.

Interface Standard: EIA-422; EIA-485

Compatibility with EIA standards provides flexibility and integration ease into existing communication systems.

Maximum Supply Current: 5 mA

Low supply current contributes to energy efficiency, making this product ideal for power-sensitive applications.

Input Characteristics: DIFFERENTIAL SCHMITT TRIGGER

The differential Schmitt trigger input ensures reliable switching, enhancing performance in noisy environments.

Nominal Supply Voltage: 5 V

Operating at a nominal voltage of 5V helps maintain standardization across various electronic systems.

Terminal Pitch: 1.27 mm

A 1.27 mm terminal pitch allows for standard connectors and ease of PCB design.

Interface IC Type: LINE TRANSCEIVER

As a line transceiver, this device is specifically designed to handle high-speed digital communication efficiently.

Technical Specifications

Line Drivers & Receivers ST491ABD attributes and parameters. Explore more Line Drivers & Receivers devices from STMicroelectronics

Specs

Differential Output:

YES

Driver No. of Bits:

1

Input Characteristics:

DIFFERENTIAL SCHMITT TRIGGER

Interface IC Type:

Interface Standard:

EIA-422; EIA-485

JESD-30 Code:

R-PDSO-G14

JESD-609 Code:

e4

Length:

8.65 mm

No. of Functions:

1

No. of Terminals:

14

Maximum Operating Temperature:

85 Cel

Minimum Operating Temperature:

-40 Cel

Minimum Out Swing:

1.5 V

Maximum Output Low Current:

8 Amp

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP14,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Power Supplies (V):

5

Qualification:

Not Qualified

Maximum Receive Delay:

30 ns

Receiver No. of Bits:

1

Maximum Seated Height:

1.75 mm

Sub-Category:

Line Driver or Receivers

Maximum Supply Current:

5 mA

Maximum Supply Voltage:

5.5 V

Minimum Supply Voltage:

4.5 V

Nominal Supply Voltage:

5 V

Surface Mount:

YES

Temperature Grade:

Terminal Finish:

NICKEL PALLADIUM GOLD

Terminal Form:

Terminal Pitch:

1.27 mm

Terminal Position:

DUAL

Maximum Transmit Delay:

16 ns

Width:

3.9 mm

Trade Compliance

ST491ABD Interface ICs trade compliance attributes, and parameters.

ECCN

EAR99

ECCN Governance

EAR

HTS

8542.39.00.01

SB

8542.39.00.00

Manufacturer Highlights

STMicroelectronics

STMicroelectronics is a global leader in the semiconductor manufacturing industry, with over 35 years of experience providing innovative and advanced technologies for customers around the world. Headquartered in Netherlands, STMicroelectronics has more than 51,323 employees worldwide and operates across 32 countries all over Europe, Asia-Pacific and the Americas. The company’s portfolio includes integrated circuits, discrete components, application-specific standard products, and computer chipsets. STMicroelectronics serves a wide range of industries such as automotive, consumer markets, healthcare and industrial applications.

Management team

President, CEO

Jean-Marc Chery

President, CFO, Finance, Purchasing,Enterprise Risk Management & Resilience

Lorenzo Grandi

President, Sales & Marketing

Jerome Roux

Manufacturer fab locations 33

Fab name Location Fab Initiation Wafer Capacity

Castelletto

Fabrication

Fab Initiation

1968

Italy

Castelletto

Wafer Capacity

1968

SGFAB AMK 6

Fabrication

Fab Initiation

2000

Singapore

Singapore

Wafer Capacity

29,000

2000

29,000

AG200

Fabrication

Fab Initiation

2000

Italy

Agrate Brianza

Wafer Capacity

14,000

2000

14,000

RST 8

Fabrication

Fab Initiation

2000

France

Rousset

Wafer Capacity

35,000

2000

35,000

Crolles 1

Fabrication

Fab Initiation

1993

France

Crolles

Wafer Capacity

30,000

1993

30,000

Crolles 2-ext. mod 5

Fabrication

Fab Initiation

-

France

Crolles

Wafer Capacity

-

Crolles 2-ext. mod 2

Fabrication

Fab Initiation

2022

France

Crolles

Wafer Capacity

2022

Crolles 2-ext. mod 3

Fabrication

Fab Initiation

2023

France

Crolles

Wafer Capacity

2023

Crolles 2

Fabrication

Fab Initiation

2004

France

Crolles

Wafer Capacity

28,000

2004

28,000

AG200

Fabrication

Fab Initiation

1985

Italy

Agrate Brianza

Wafer Capacity

14,000

1985

14,000

SiC Fab

Fabrication

Fab Initiation

2006

Sweden

Norrköping

Wafer Capacity

10,000

2006

10,000

Fab 3

Fabrication

Fab Initiation

2005

France

Tours

Wafer Capacity

2,000

2005

2,000

Fab 1 & Fab 2

Fabrication

Fab Initiation

1978

France

Tours

Wafer Capacity

55,000

1978

55,000

Fab 2

Fabrication

Fab Initiation

1997

Italy

Catania

Wafer Capacity

30,000

1997

30,000

SGFAB-AMK 6E

Fabrication

Fab Initiation

2003

Singapore

Singapore

Wafer Capacity

145,000

2003

145,000

SGFAB-AMJ 9

Fabrication

Fab Initiation

1984

Singapore

Singapore

Wafer Capacity

152,000

1984

152,000

AG300 (R3)

Fabrication

Fab Initiation

2022

Italy

Agrate Brianza

Wafer Capacity

2022

Fab 2

Fabrication

Fab Initiation

1980

Italy

Catania

Wafer Capacity

25,000

1980

25,000

AG200

Fabrication

Fab Initiation

1987

Italy

Agrate Brianza

Wafer Capacity

34,000

1987

34,000

AG300

Fabrication

Fab Initiation

2024

Italy

Agrate Brianza

Wafer Capacity

2024

Crolles 2-ext. mod 1

Fabrication

Fab Initiation

2020

France

Crolles

Wafer Capacity

2,000

2020

2,000

Fab 1 6-inch fab

Fabrication

Fab Initiation

2013

Italy

Catania

Wafer Capacity

11,000

2013

11,000

SiC 6-inch line

Fabrication

Fab Initiation

2021

Singapore

Singapore

Wafer Capacity

2021

Fab 1 6-inch fab

Fabrication

Fab Initiation

2020

Italy

Catania

Wafer Capacity

2,500

2020

2,500

200mm GaN

Fabrication

Fab Initiation

2021

France

Tours

Wafer Capacity

2,500

2021

2,500

Fab 2

Fabrication

Fab Initiation

2018

Italy

Catania

Wafer Capacity

14,000

2018

14,000

SGFAB-AMK 8

Fabrication

Fab Initiation

2001

Singapore

Singapore

Wafer Capacity

30,000

2001

30,000

Crolles 2- JV Fab

Fabrication

Fab Initiation

2024

France

Crolles

Wafer Capacity

2024

SGFAB-AMK 6

Fabrication

Fab Initiation

2016

Singapore

Singapore

Wafer Capacity

38,125

2016

38,125

SGFAB-AMK 2E

Fabrication

Fab Initiation

2010

Singapore

Singapore

Wafer Capacity

20,000

2010

20,000

Silicon Carbide A.B.

Fabrication

Fab Initiation

2021

Sweden

Norrköping

Wafer Capacity

2021

SiC wafer/EPI Fab

Fabrication

Fab Initiation

2023

Italy

Catania

Wafer Capacity

2023

SiC Device Fab

Fabrication

Fab Initiation

2025

Italy

Catania

Wafer Capacity

2025

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