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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74LS640-1NSR
SN74LS640-1NSR Image
Image may be representation.
See specifications for product details.

SN74LS640-1NSR - Texas Instruments

Manufacturer Part Number
SN74LS640-1NSR
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74LS640-1NSR
ECAD Model
Parts Description
IC TRANSCEIVER INVERT 5.25V 20SO
Detailed Description
Package
20-SOIC (0.209", 5.30mm Width)
Data sheet
SN54LS640-42/644-45, SN74LS640-42/644-45.pdf
SN54LS640-42/644-45, SN74LS640-42/644-45.pdf
RoHs Status
ROHS3 Compliant
In stock: 28265

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Specifications

SN74LS640-1NSR Tech Specifications
Texas Instruments - SN74LS640-1NSR technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74LS640-1NSR

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.75V ~ 5.25V  
Supplier Device Package 20-SO  
Series 74LS  
Package / Case 20-SOIC (0.209", 5.30mm Width)  
Package Tape & Reel (TR)  
Output Type 3-State  
Operating Temperature 0°C ~ 70°C (TA)  
Product Attribute Attribute Value  
Number of Elements 1  
Number of Bits per Element 8  
Mounting Type Surface Mount  
Logic Type Transceiver, Inverting  
Input Type -  
Current - Output High, Low 15mA, 48mA  
Base Product Number 74LS640  

Parts Introduction

Manufacturer Part Number

SN74LS640-1NSR

Manufacturer

Texas Instruments

Introduction

The SN74LS640-1NSR is a high-performance 8-bit transceiver with three-state outputs. It is designed to provide bidirectional data flow between two digital systems or buses while providing electrical isolation and high drive capability.

Product Features and Performance

8-bit transceiver with three-state outputs

Bidirectional data flow

Electrical isolation between systems

High drive capability

Supports 4.75V to 5.25V supply voltage

Operating temperature range of 0°C to 70°C

Product Advantages

Versatile bidirectional data transmission

Robust electrical isolation

High drive current for driving large capacitive loads

Wide supply voltage range for compatibility

Key Reasons to Choose This Product

Reliable bidirectional data transfer

Simplified system design with electrical isolation

Robust performance across a wide temperature range

Ease of integration with 5V digital systems

Quality and Safety Features

Compliant with relevant industry standards

Rigorous quality control and testing

Compatibility

Suitable for use in 5V digital systems and buses

Application Areas

Computer and peripheral equipment

Industrial automation and control systems

Telecommunications equipment

Medical devices

Product Lifecycle

The SN74LS640-1NSR is an active product. There are equivalent or alternative models available, such as the SN74LVC640A and SN74LVC640-Q1. Please contact our website's sales team for more information on these options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74LS640-1NSR

Product Attribute SN74LS640-1NSR SN74LS640DWR SN74LS641N SN74LS641N
Part Number SN74LS640-1NSR SN74LS640DWR SN74LS641N SN74LS641N
Manufacturer Texas Instruments Texas Instruments Texas Instruments onsemi
Number of Bits per Element 8 8 8 8
Number of Elements 1 1 1 1
Supplier Device Package 20-SO 20-SOIC 20-PDIP 20-PDIP
Package / Case 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.295", 7.50mm Width) 20-DIP (0.300", 7.62mm) 20-DIP (0.300", 7.62mm)
Voltage - Supply 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V 4.75V ~ 5.25V
Current - Output High, Low 15mA, 48mA 15mA, 24mA -, 24mA -, 24mA
Base Product Number 74LS640 74LS640 74LS641 74LS641
Output Type 3-State 3-State Open Collector Open Collector
Mounting Type Surface Mount Surface Mount Through Hole Through Hole
Input Type - - - -
Package Tape & Reel (TR) Tape & Reel (TR) Tube Tube
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Series 74LS 74LS 74LS 74LS
Logic Type Transceiver, Inverting Transceiver, Inverting Transceiver, Non-Inverting Transceiver, Non-Inverting

SN74LS640-1NSR Datasheet PDF

Download SN74LS640-1NSR pdf datasheets and Texas Instruments documentation for SN74LS640-1NSR - Texas Instruments.

Datasheets
SN54LS640-42/644-45, SN74LS640-42/644-45.pdf
PCN Packaging
20L SOP 29/Sep/2016.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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SN74LS640-1NSR Image

SN74LS640-1NSR

Texas Instruments
32D-SN74LS640-1NSR

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