Loading...

SN74HC191DT

Texas Instruments

SN74HC191DT by Texas Instruments

SN74HC191DT by Texas Instruments is a 4-bit digital counter with a propagation delay of 41 ns and operates at a nominal voltage of 5V. It features positive edge trigger type, bidirectional count direction, and can handle max frequency of 17 MHz. Ideal for industrial applications requiring synchronous operation in compact spaces.

Median Price

$0.595

Lifecycle Status

Suppliers In-Stock

4

In-Stock Inventory

1k+

Distributors (Authorized)

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

Rochester

USA . 8,000 parts In-Stock

1+ parts

$0.340

100+ parts

$0.330

1k+ parts

$0.330

10k+ parts

-

8,000

$0.340

$0.330

$0.330

-

DigiKey

USA . 69 parts In-Stock

1+ parts

$0.850

100+ parts

$0.550

1k+ parts

-

10k+ parts

-

69

$0.850

$0.550

-

-

Distributors (In-Stock)

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

Digiode

USA . 4,524 parts In-Stock

1+ parts

$0.808

100+ parts

-

1k+ parts

-

10k+ parts

-

4,524

$0.808

-

-

-

Vyrian

USA . 8,182 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

8,182

-

-

-

-

Distributors (Availability)

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

Corphita

USA . 4,283 parts In-Stock

1+ parts

$0.765

100+ parts

-

1k+ parts

-

10k+ parts

-

4,283

$0.765

-

-

-

Component Stockers USA

USA . 3,418 parts In-Stock

1+ parts

$0.910

100+ parts

-

1k+ parts

-

10k+ parts

-

3,418

$0.910

-

-

-

Parana Technologies

USA . 19 parts In-Stock

1+ parts

$10.018

100+ parts

-

1k+ parts

$10.577

10k+ parts

-

19

$10.018

-

$10.577

-

Andel Nordic

Denmark . 4,414 parts In-Stock

1+ parts

$10.579

100+ parts

-

1k+ parts

$10.156

10k+ parts

$10.156

4,414

$10.579

-

$10.156

$10.156

DigiPath Technology Company

USA . 1,217 parts In-Stock

1+ parts

$11.031

100+ parts

$10.148

1k+ parts

-

10k+ parts

-

1,217

$11.031

$10.148

-

-

ChromeModa Solutions

Germany . 6,360 parts In-Stock

1+ parts

$11.256

100+ parts

$9.230

1k+ parts

-

10k+ parts

-

6,360

$11.256

$9.230

-

-

IDEA Electronic Components Group

UK . 226 parts In-Stock

1+ parts

$11.256

100+ parts

$10.693

1k+ parts

$10.130

10k+ parts

-

226

$11.256

$10.693

$10.130

-

Advanced Electronics

New Zealand . 900 parts In-Stock

1+ parts

$19.809

100+ parts

$18.026

1k+ parts

$16.243

10k+ parts

-

900

$19.809

$18.026

$16.243

-

Microchip USA

USA . 1,234 parts In-Stock

1+ parts

$22.860

100+ parts

$22.720

1k+ parts

$22.650

10k+ parts

$22.580

1,234

$22.860

$22.720

$22.650

$22.580

Perfect Parts

USA . 1,120 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

1,120

-

-

-

-

iodParts Technologies Inc.

India . 500 parts In-Stock

1+ parts

-

100+ parts

-

1k+ parts

-

10k+ parts

-

500

-

-

-

-

Overview

Enhance your digital projects with the SN74HC191DT by Texas Instruments, a high-quality digital counter that offers precision and reliability. Designed with cutting-edge technology and backed by Texas Instruments' reputable brand, this product is perfect for a wide range of applications. From industrial automation to consumer electronics, this versatile component ensures accurate counting and efficient performance. Invest in the SN74HC191DT today and experience the value and benefits it brings to your designs.

Feature Benefit Bullets

Package Body Material: PLASTIC/EPOXY

Plastic/Epoxy material provides durability and resistance to environmental conditions, making the digital counter suitable for various applications.

Propagation Delay At Nominal Supply: 41 ns

Low propagation delay ensures quick response and accurate counting of signals, making the digital counter efficient in time-sensitive applications.

Surface Mount: YES

Surface mount capability allows for easy installation on circuit boards, saving space and reducing assembly time.

Package Shape: RECTANGULAR

Rectangular package shape provides a compact design, making it easy to integrate the digital counter into electronic systems with limited space.

No. of Bits: 4

4 bits offer a wide counting range, suitable for counting applications that require precision and accuracy.

Nominal Supply Voltage / Vsup (V): 5

Operates on a common supply voltage of 5V, making it compatible with a wide range of power sources.

Load Capacitance (CL): 50 pF

Low load capacitance ensures stable performance and minimal interference, allowing for reliable counting results.

Power Supplies (V): 2/6

Support for power supplies ranging from 2V to 6V provides flexibility in different power supply configurations, making the digital counter versatile.

No. of Terminals: 16

16 terminals offer multiple connection points for input and output signals, enabling complex counting functions and interactions with other components.

Package Style (Meter): SMALL OUTLINE

Small outline package style saves space and facilitates easy integration into electronic systems, especially those with size constraints.

Maximum I (ol): 5.2 Amp

High maximum output current capacity enables the digital counter to drive external devices or components without the need for additional amplification circuits.

Propagation Delay (tpd): 240 ns

Propagation delay of 240 ns ensures rapid response to input signals, reducing the processing time and improving overall system performance.

Maximum Operating Temperature: 85 °C

High maximum operating temperature allows the digital counter to operate reliably in harsh environments or under extended use conditions.

Trigger Type: POSITIVE EDGE

Positive edge trigger type ensures accurate counting of signals by initiating the counting process at the rising edge of the input signal.

Minimum Operating Temperature: -40 °C

Low minimum operating temperature allows the digital counter to function effectively in cold environments or during temperature fluctuations.

Terminal Finish: Nickel/Palladium/Gold (Ni/Pd/Au)

Nickel/Palladium/Gold terminal finish provides excellent conductivity and corrosion resistance, ensuring reliable signal transmission and prolonged product lifespan.

Terminal Position: DUAL

Dual terminal position offers versatility in circuit board layout and connection options, allowing for customized configurations and improved signal routing.

Maximum Seated Height: 1.75 mm

Low maximum seated height facilitates compact design and installation in space-limited applications, contributing to overall system efficiency.

Width: 3.9 mm

Narrow width of 3.9 mm enables easy placement on circuit boards with limited space, optimizing component layout and enhancing overall system aesthetics.

Minimum Supply Voltage (Vsup): 2 V

Low minimum supply voltage requirement of 2V allows for operation in low-power scenarios and compatibility with a wide range of power sources.

Peak Reflow Temperature °C: 260

High peak reflow temperature of 260°C ensures secure soldering during assembly, reducing the risk of solder joint failure and ensuring long-term reliability.

Length: 9.9 mm

Compact length of 9.9 mm facilitates efficient placement and integration into electronic systems, saving space and simplifying assembly.

Temperature Grade: INDUSTRIAL

Industrial-grade temperature rating ensures the digital counter can withstand and operate reliably in harsh industrial environments with temperature extremes.

Maximum Frequency At Nominal Supply: 17000000 Hz

High maximum frequency capability of 17 MHz at nominal supply voltage ensures fast counting and processing of input signals, making the digital counter suitable for high-speed applications.

Technology: CMOS

CMOS technology offers low power consumption, high noise immunity, and compatibility with a wide range of voltage levels, making the digital counter energy-efficient and versatile in various applications.

Terminal Form: GULL WING

Gull wing terminal form provides strong mechanical support and easy soldering during assembly, ensuring secure connections and reliable performance.

Packing Method: TR

TR packing method (tape and reel) facilitates automated assembly processes and protects the digital counter during transport and storage, ensuring product integrity and reliability.

Operation Mode: SYNCHRONOUS

Synchronous operation mode allows for precise synchronization of counting signals, ensuring accurate and consistent counting results in multi-device or time-critical applications.

Terminal Pitch: 1.27 mm

Standard terminal pitch of 1.27 mm facilitates easy integration with standard PCB layouts and connections, ensuring compatibility and ease of assembly.

Count Direction: BIDIRECTIONAL

Bidirectional count direction capability allows for counting up and down, offering versatility in counting functions and enabling a wider range of applications with diverse counting requirements.

Minimum fmax: 19 MHz

High minimum fmax (19 MHz) ensures the digital counter can handle fast input signals and process them accurately, making it suitable for high-speed counting and data acquisition applications.

Maximum Supply Voltage (Vsup): 6 V

Wide maximum supply voltage range of 6V provides flexibility in power supply options and ensures compatibility with various electronic systems and components.

Maximum Power Supply Current (ICC): 0.08 mA

Low maximum power supply current of 0.08 mA ensures energy efficiency and reduces power consumption, making the digital counter suitable for battery-powered or low-power applications.

Technical Specifications

Digital Counters SN74HC191DT attributes and parameters. Explore more Digital Counters devices from Texas Instruments

Specs

Additional Features:

RCO OUTPUT

Count Direction:

BIDIRECTIONAL

Family:

HC/UH

JESD-30 Code:

R-PDSO-G16

JESD-609 Code:

e4

Length:

9.9 mm

Load Capacitance (CL):

50 pF

Logic IC Type:

Maximum Frequency At Nominal Supply:

17000000 Hz

Maximum I (ol):

5.2 Amp

Operation Mode:

SYNCHRONOUS

Moisture Sensitivity Level (MSL):

1

No. of Bits:

4

No. of Functions:

1

No. of Terminals:

16

Maximum Operating Temperature:

85 Cel

Minimum Operating Temperature:

-40 Cel

Package Body Material:

PLASTIC/EPOXY

Package Code:

SOP

Package Equivalence Code:

SOP16,.25

Package Shape:

Package Style (Meter):

SMALL OUTLINE

Packing Method:

TR

Peak Reflow Temperature (C):

260

Power Supplies (V):

2/6

Maximum Power Supply Current (ICC):

.08 mA

Propagation Delay At Nominal Supply:

41 ns

Propagation Delay (tpd):

240 ns

Qualification:

Not Qualified

Maximum Seated Height:

1.75 mm

Sub-Category:

Counters

Maximum Supply Voltage (Vsup):

6 V

Minimum Supply Voltage (Vsup):

2 V

Nominal Supply Voltage / Vsup (V):

5

Surface Mount:

YES

Technology:

CMOS

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

Trigger Type:

POSITIVE EDGE

Width:

3.9 mm

Minimum fmax:

19 MHz

Trade Compliance

SN74HC191DT 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

Category top products 20

Authentic purchasing experiences

Partstack™ will investigate all reported instances of potential suspect/counterfeit part listings.

New products
from Texas Instruments 7

Similar products 20