View All

Please refer to the English Version as our Official Version.Return

Europe
France(Français) Germany(Deutsch) Italy(Italia) Russian(русский) Poland(polski) Netherlands(Nederland) Spain(español) Turkey(Türk dili) Israel(עִבְרִית) Denmark(Dansk) Switzerland(Deutsch) United Kingdom(English)
Asia/Pacific
Japan(日本語) Korea(한국의) Thailand(ภาษาไทย) Malaysia(Melayu) Singapore(Melayu) Philippines(Pilipino)
Africa, India and Middle East
India(हिंदी)
North America
United States(English) Canada(English) Mexico(español)
HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74ALS640B-1N
SN74ALS640B-1N Image
Image may be representation.
See specifications for product details.

SN74ALS640B-1N - Texas Instruments

Manufacturer Part Number
SN74ALS640B-1N
Manufacturer
Texas Instruments
Allelco Part Number
32D-SN74ALS640B-1N
ECAD Model
Parts Description
IC TRANSCEIVER INVERT 5.5V 20DIP
Detailed Description
Package
20-DIP (0.300", 7.62mm)
Data sheet
SN74ALS640B-1N.pdf
RoHs Status
ROHS3 Compliant
In stock: 15890

Required fields are indicated by an asterisk (*)
Please send RFQ, we will respond immediately.

Quantity

Specifications

SN74ALS640B-1N Tech Specifications
Texas Instruments - SN74ALS640B-1N technical specifications, attributes, parameters and parts with similar specifications to Texas Instruments - SN74ALS640B-1N

Product Attribute Attribute Value  
Manufacturer Texas Instruments  
Voltage - Supply 4.5V ~ 5.5V  
Supplier Device Package 20-PDIP  
Series 74ALS  
Package / Case 20-DIP (0.300", 7.62mm)  
Package Tube  
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 Through Hole  
Logic Type Transceiver, Inverting  
Input Type -  
Current - Output High, Low 15mA, 24mA  
Base Product Number 74ALS640  

Parts Introduction

Manufacturer Part Number

SN74ALS640B-1N

Manufacturer

Texas Instruments

Introduction

High-speed Inverting Octal Bus Transceiver

Product Features and Performance

8-Bit Inverting Transceiver

Logic Voltage Levels Compatible with ALS Logic

Bidirectional Data Communication

3-State Outputs for Bus-Oriented Systems

Designed Specifically for High-Speed Memory Decoders and Data Transmission Systems

Product Advantages

High Current Output Capability for Driving Heavily Loaded Bus Lines

Low Power Consumption

Wide Operating Voltage Range

Key Technical Parameters

Logic Type: Transceiver, Inverting

Number of Elements: 1

Number of Bits per Element: 8

Current - Output High, Low: 15mA, 24mA

Voltage - Supply: 4.5V ~ 5.5V

Operating Temperature Range: 0°C ~ 70°C (TA)

Quality and Safety Features

Standard ESD Protection

Meets or Exceeds JEDEC Spec EIA/JESD78 IC Latch-Up Test

Compatibility

Compatible with Other 74ALS Devices

Can Interface with 5V TTL Logic

Application Areas

Data Transmission

Memory Decoders

High-Speed Communication Systems

Product Lifecycle

Active Status

Not Nearing Discontinuation

Replacements or Upgrades Typically Available

Several Key Reasons to Choose This Product

The SN74ALS640B-1N is designed for high-speed bidirectional communication

Provides robust output drive capability for heavy bus loading

Wide supply range for flexible system integration

Compatible with industry-standard ALS and TTL logic

Active product with support and longevity in the market

Texas Instruments' reputation for quality and reliability

Parts with Similar Specifications

The three parts on the right have similar specifications to Texas Instruments SN74ALS640B-1N

Product Attribute SN74ALS640B-1N SN74ALS638ANSR SN74ALS641AN SN74ALS638A-1DW
Part Number SN74ALS640B-1N SN74ALS638ANSR SN74ALS641AN SN74ALS638A-1DW
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Type 3-State Open Collector, Push-Pull Open Collector Open Collector, Push-Pull
Logic Type Transceiver, Inverting Transceiver, Inverting Transceiver, Inverting Transceiver, Inverting
Voltage - Supply 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V 4.5V ~ 5.5V
Supplier Device Package 20-PDIP 20-SO 20-PDIP 20-SOIC
Number of Elements 1 1 1 1
Mounting Type Through Hole Surface Mount Through Hole Surface Mount
Series 74ALS 74ALS 74ALS 74ALS
Number of Bits per Element 8 8 8 8
Package / Case 20-DIP (0.300", 7.62mm) 20-SOIC (0.209", 5.30mm Width) 20-DIP (0.300', 7.62mm) 20-SOIC (0.295", 7.50mm Width)
Current - Output High, Low 15mA, 24mA -, 24mA; 15mA, 24mA -, 24mA -, 24mA; 15mA, 24mA
Operating Temperature 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA) 0°C ~ 70°C (TA)
Input Type - - - -
Package Tube Tape & Reel (TR) Tube Tube
Base Product Number 74ALS640 74ALS638 74ALS641 74ALS638

SN74ALS640B-1N Datasheet PDF

Download SN74ALS640B-1N pdf datasheets and Texas Instruments documentation for SN74ALS640B-1N - Texas Instruments.

PCN Design/Specification
Copper Bond Wire Revision A 04/Dec/2013.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

View More
SN74ALS640B-1N Image

SN74ALS640B-1N

Texas Instruments
32D-SN74ALS640B-1N

Want a better price? Add to Cart and Submit RFQ now, we'll contact you immediately.

0 RFQ
Shopping cart (0 Items)
It is empty.
Compare List (0 Items)
It is empty.
Feedback

Your feedback matters! At Allelco, we value the user experience and strive to improve it constantly.
Please share your comments with us via our feedback form, and we'll respond promptly.
Thank you for choosing Allelco.

Subject
E-mail
Comments
Captcha
Drag or click to upload file
Upload File
types: .xls, .xlsx, .doc, .docx, .jpg, .png and .pdf.
Max file size: 10MB