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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74ALS638A-1DW
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SN74ALS638A-1DW - Texas Instruments

Manufacturer Part Number
SN74ALS638A-1DW
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74ALS638A-1DW
ECAD Model
Parts Description
IC TXRX INVERT 5.5V 20SOIC
Package
20-SOIC (0.295", 7.50mm Width)
Data sheet
SN74ALS638A-1DW.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 7200

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Specifications

SN74ALS638A-1DW Tech Specifications
Texas Instruments - SN74ALS638A-1DW technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ALS638A-1DW

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.5V ~ 5.5V  
Supplier Device Package 20-SOIC  
Series 74ALS  
Package / Case 20-SOIC (0.295", 7.50mm Width)  
Package Tube  
Output Type Open Collector, Push-Pull  
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 -, 24mA; 15mA, 24mA  
Base Product Number 74ALS638  

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

SN74ALS638A-1DW

Manufacturer

Texas Instruments

Introduction

The SN74ALS638A-1DW is a high-performance, 8-bit inverting transceiver from Texas Instruments. It is designed for use in high-speed digital systems and offers a variety of features and capabilities.

Product Features and Performance

8-bit transceiver with inverting logic

Open-collector and push-pull output types

Output current of 24 mA (high) and 15 mA (low)

Operating voltage range of 4.5V to 5.5V

Operating temperature range of 0°C to 70°C

Surface mount package (20-SOIC)

Product Advantages

High-speed operation for efficient data transfer

Versatile output options to meet diverse system requirements

Wide operating voltage range for compatibility with various digital systems

Robust thermal performance for reliable operation

Key Reasons to Choose This Product

Proven reliability and performance from a trusted manufacturer

Optimized for high-speed digital applications

Flexible output configurations to suit different design needs

Cost-effective solution for budget-conscious projects

Quality and Safety Features

Rigorous testing and quality control measures

Compliance with industry standards for safety and reliability

Compatibility

The SN74ALS638A-1DW is compatible with a wide range of digital systems and can be used in various applications.

Application Areas

High-speed digital systems

Data communication and networking equipment

Industrial automation and control systems

Consumer electronics and appliances

Product Lifecycle

The SN74ALS638A-1DW is an obsolete product, meaning it is no longer in active production. However, there may be equivalent or alternative models available from Texas Instruments or other manufacturers. Customers are advised to contact our website's sales team for more information on available options.

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ALS638A-1DW

Product Attribute SN74ALS638A-1DW SN74ALS640B-1NSR SN74ALS640BN SN74ALS638ANSR
Part Number SN74ALS638A-1DW SN74ALS640B-1NSR SN74ALS640BN SN74ALS638ANSR
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Logic Type Transceiver, Inverting Transceiver, Inverting Transceiver, Inverting Transceiver, Inverting
Package Tube Tape & Reel (TR) Tube Tape & Reel (TR)
Package / Case 20-SOIC (0.295", 7.50mm Width) 20-SOIC (0.209", 5.30mm Width) 20-DIP (0.300", 7.62mm) 20-SOIC (0.209", 5.30mm Width)
Base Product Number 74ALS638 74ALS640 74ALS640 74ALS638
Mounting Type Surface Mount Surface Mount Through Hole Surface Mount
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Supplier Device Package 20-SOIC 20-SO 20-PDIP 20-SO
Current - Output High, Low -, 24mA; 15mA, 24mA 15mA, 24mA 15mA, 24mA -, 24mA; 15mA, 24mA
Number of Bits per Element 8 8 8 8
Number of Elements 1 1 1 1
Input Type - - - -
Series 74ALS 74ALS 74ALS 74ALS
Output Type Open Collector, Push-Pull 3-State 3-State Open Collector, Push-Pull

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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SN74ALS638A-1DW Image

SN74ALS638A-1DW

Texas Instruments
32D-SN74ALS638A-1DW

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