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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74LS642-1N
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SN74LS642-1N - Texas Instruments

Manufacturer Part Number
SN74LS642-1N
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74LS642-1N
ECAD Model
Parts Description
IC TXRX INVERT 5.25V 20DIP
Package
20-DIP (0.300', 7.62mm)
Data sheet
Cylindrical Battery Holders.pdf
SN54LS640-42/644-45, SN74LS640-42/644-45.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 8837

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Specifications

SN74LS642-1N Tech Specifications
Texas Instruments - SN74LS642-1N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74LS642-1N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.75V ~ 5.25V  
Supplier Device Package 20-PDIP  
Series 74LS  
Package / Case 20-DIP (0.300', 7.62mm)  
Package Tube  
Output Type Open Collector  
Operating Temperature 0°C ~ 70°C (TA)  
Product Attribute Attribute Value  
Number of Elements 1  
Number of Bits per Element 8  
Mounting Type Through Hole  
Logic Type Transceiver, Inverting  
Input Type -  
Current - Output High, Low -, 48mA  
Base Product Number 74LS642  

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

SN74LS642-1N

Manufacturer

Texas Instruments

Introduction

The SN74LS642-1N is an 8-bit bidirectional transceiver with three-state outputs. It features high-drive capability, allowing it to drive highly capacitive or low-impedance loads. The device is designed to provide a simple interface between systems operating at different voltage levels.

Product Features and Performance

8-bit bidirectional transceiver with three-state outputs

High-drive capability for driving highly capacitive or low-impedance loads

Designed to provide a simple interface between systems operating at different voltage levels

Supports a wide supply voltage range of 4.75V to 5.25V

Operating temperature range of 0°C to 70°C

Product Advantages

Versatile interface solution for systems with different voltage levels

Robust high-drive capability to handle demanding load conditions

Simplifies the design and implementation of voltage-level translation

Key Reasons to Choose This Product

Reliable and robust performance for critical system interfaces

Ease of use and compatibility with a wide range of systems

Cost-effective solution for voltage-level translation requirements

Quality and Safety Features

Designed and manufactured to high-quality standards by Texas Instruments

Robust construction and thermal management for reliable operation

Compliance with relevant safety and regulatory standards

Compatibility

The SN74LS642-1N is compatible with various logic families and can be used in a wide range of digital system applications.

Application Areas

Computer and peripheral equipment

Industrial automation and control systems

Telecommunications equipment

Medical and instrumentation devices

Product Lifecycle

The SN74LS642-1N is an active product and currently in production. Texas Instruments may offer alternative or equivalent models in the future. For the most up-to-date information, please contact our sales team through our website.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74LS642-1N

Product Attribute SN74LS642-1N SN74LS642NS SN74LS641NSR SN74LS641N
Part Number SN74LS642-1N SN74LS642NS SN74LS641NSR SN74LS641N
Manufacturer Texas Instruments Texas Instruments Texas Instruments onsemi
Supplier Device Package 20-PDIP 20-SO 20-SO 20-PDIP
Number of Bits per Element 8 8 8 8
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
Package / Case 20-DIP (0.300', 7.62mm) 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.209", 5.30mm Width) 20-DIP (0.300", 7.62mm)
Base Product Number 74LS642 - 74LS641 74LS641
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Number of Elements 1 1 1 1
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Output Type Open Collector Open Collector Open Collector Open Collector
Input Type - - - -
Series 74LS 74LS 74LS 74LS
Current - Output High, Low -, 48mA 100µA, 24mA -, 24mA -, 24mA
Logic Type Transceiver, Inverting Transceiver, Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting
Package Tube Tube Tape & Reel (TR) Tube

SN74LS642-1N Datasheet PDF

Download SN74LS642-1N pdf datasheets and Texas Instruments documentation for SN74LS642-1N - Texas Instruments.

Datasheets
Cylindrical Battery Holders.pdf
PCN Design/Specification
Material Set 30/Mar/2017.pdf Copper Wire Base Alternative 23/Apr/2014.pdf
HTML Datasheet
SN54LS640-42/644-45, SN74LS640-42/644-45.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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SN74LS642-1N

Texas Instruments
32D-SN74LS642-1N

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