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HomeProductsIntegrated Circuits (ICs)Logic - Buffers, Drivers, Receivers, TransceiversSN74ALS640B-1N
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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
Package
20-DIP (0.300", 7.62mm)
Data sheet
SN74ALS640B-1N.pdf
RoHs Status
ROHS3 Compliant
Our certification
In stock: 15890

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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  

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

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 SN74ALS640BNSR SN74ALS640BDW SN74ALS640BN
Part Number SN74ALS640B-1N SN74ALS640BNSR SN74ALS640BDW SN74ALS640BN
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Output Type 3-State 3-State 3-State 3-State
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-SOIC 20-PDIP
Number of Elements 1 1 1 1
Mounting Type Through Hole Surface Mount Surface Mount Through Hole
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-SOIC (0.295", 7.50mm Width) 20-DIP (0.300", 7.62mm)
Current - Output High, Low 15mA, 24mA 15mA, 24mA 15mA, 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 74ALS640 74ALS640 74ALS640

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

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SN74ALS640B-1N Image

SN74ALS640B-1N

Texas Instruments
32D-SN74ALS640B-1N

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