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HomeProductsIntegrated Circuits (ICs)Logic - Counters, DividersSN74ALS191AN
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SN74ALS191AN - Texas Instruments

Manufacturer Part Number
SN74ALS191AN
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74ALS191AN
ECAD Model
Parts Description
IC BINARY COUNTER 4-BIT 16DIP
Package
16-DIP (0.300", 7.62mm)
Data sheet
SN54ALS191A, SN74ALS191A.pdf
SN54ALS191A, SN74ALS191A.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 14646

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Specifications

SN74ALS191AN Tech Specifications
Texas Instruments - SN74ALS191AN technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ALS191AN

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.5 V ~ 5.5 V  
Trigger Type Positive Edge  
Timing Synchronous  
Supplier Device Package 16-PDIP  
Series 74ALS  
Reset -  
Package / Case 16-DIP (0.300", 7.62mm)  
Package Tube  
Product Attribute Attribute Value  
Operating Temperature 0°C ~ 70°C  
Number of Elements 1  
Number of Bits per Element 4  
Mounting Type Through Hole  
Logic Type Binary Counter  
Direction Up, Down  
Count Rate 30 MHz  
Base Product Number 74ALS191  

Environmental & Export Classifications

ATTRIBUTE DESCRIPTION
RoHs Status ROHS3 Compliant
Moisture Sensitivity Level (MSL) 1 (Unlimited)
REACH Status REACH Unaffected
ECCN EAR99
HTSUS 8542.39.0001

Parts Introduction

Manufacturer Part Number

SN74ALS191AN

Manufacturer

Texas Instruments

Introduction

The SN74ALS191AN is a 4-bit binary counter from Texas Instruments. It can perform synchronous up or down counting operations at a maximum frequency of 30 MHz. This counter features a positive edge-triggered clock input and a range of control pins for reset, load, and direction functions.

Product Features and Performance

4-bit binary counter

Synchronous up/down counting operation

Maximum count frequency of 30 MHz

Positive edge-triggered clock input

Reset, load, and direction control pins

5 V to 5.5 V supply voltage

Operating temperature range of 0°C to 70°C

Through-hole 16-pin DIP package

Product Advantages

High-speed counting capabilities

Flexible up/down counting modes

Synchronous operation for reliable counting

Wide supply voltage and temperature ranges

Key Reasons to Choose This Product

Robust and reliable performance

Versatile counting functionality

Ease of integration in digital circuits

Long-standing reputation and support from Texas Instruments

Quality and Safety Features

Compliance with industry standards

Rigorous testing and quality control

Robust design for reliable operation

Compatibility

The SN74ALS191AN is compatible with other 74ALS series logic devices and can be used in a wide range of digital circuit applications.

Application Areas

Digital counters and timers

Industrial automation and control systems

Test and measurement equipment

Computer and peripheral devices

Product Lifecycle

The SN74ALS191AN is an active product, and our website's sales team continues to manufacture and support it. There are equivalent or alternative models available, such as the SN74LS191N and SN74HC191N, which offer similar functionality and performance. Customers are advised to contact our website's sales team for the most up-to-date information on product availability and alternative options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ALS191AN

Product Attribute SN74ALS191AN SN74ALS193AN SN74ALS193N SN74ALS193ANSR
Part Number SN74ALS191AN SN74ALS193AN SN74ALS193N SN74ALS193ANSR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Operating Temperature 0°C ~ 70°C 0°C ~ 70°C - 0°C ~ 70°C
Supplier Device Package 16-PDIP 16-PDIP - 16-SO
Count Rate 30 MHz 30 MHz - 30 MHz
Voltage - Supply 4.5 V ~ 5.5 V 4.5 V ~ 5.5 V - 4.5 V ~ 5.5 V
Package / Case 16-DIP (0.300", 7.62mm) 16-DIP (0.300', 7.62mm) - 16-SOIC (0.209", 5.30mm Width)
Mounting Type Through Hole Through Hole - Surface Mount
Direction Up, Down Up, Down - Up, Down
Number of Bits per Element 4 4 - 4
Reset - Asynchronous - Asynchronous
Trigger Type Positive Edge Positive Edge - Positive Edge
Package Tube Tube Bulk Tape & Reel (TR)
Logic Type Binary Counter Binary Counter - Binary Counter
Number of Elements 1 1 - 1
Base Product Number 74ALS191 74ALS193 74ALS193 74ALS193
Timing Synchronous Synchronous - Synchronous
Series 74ALS 74ALS * 74ALS

SN74ALS191AN Datasheet PDF

Download SN74ALS191AN pdf datasheets and Texas Instruments documentation for SN74ALS191AN - Texas Instruments.

Datasheets
SN54ALS191A, SN74ALS191A.pdf
PCN Design/Specification
Material Set 30/Mar/2017.pdf
HTML Datasheet
SN54ALS191A, SN74ALS191A.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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SN74ALS191AN

Texas Instruments
32D-SN74ALS191AN

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