SN74ALS641A-1N The Texas Instruments SN74ALS641A-1N is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features TTL input and output types and operates over a temperature range of 0°C to 70°C.
Mfr Part #:

SN74ALS641A-1N

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS641A-1N is an octal bus transceiver designed for asynchronous two-way communication between data buses. It features TTL input and output types and operates over a temperature range of 0°C to 70°C.
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$ Price Range: $3.19

SN74ALS641A-1N Available from 2 distributors

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SN74ALS641A-1N Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Type
Lead Spacing
Logic Type
Mounting Type
Number of Bits per Element
Number of Channels
Number of Elements
Operating Temperature
Output Type
Supplier Device Package
Supplier Package
Voltage

SN74ALS641A-1N Description

Short technical summary and product information.

The SN74ALS641A-1N from Texas Instruments is an active octal bus transceiver with open-collector outputs. It facilitates asynchronous two-way communication between data buses, transmitting data from bus A to bus B or vice versa, controlled by the direction-control (DIR) input. The output-enable input allows for effective isolation of the buses.

 

This transceiver operates with a supply voltage range of 4.5V to 5.5V and supports 8 channels. It features TTL input and output types, with a maximum IOL of 48mA and a maximum IOH of 0.1mA. The device is characterized by its high speed, with propagation delays (tpd) ranging from 10ns to 50ns. The operating temperature range is specified from 0°C to 70°C.

 

The SN74ALS641A-1N is available in a 20-PDIP package, suitable for through-hole mounting. The -1 versions offer an increased recommended maximum IOL of 48 mA compared to standard versions. This component belongs to the ALS technology family.

 

Designed for general-purpose applications, this transceiver is suitable for various digital interface and data transfer tasks where bidirectional communication between buses is required.

SN74ALS641A-1N Quick Information

Product Type: Octal Bus Transceiver
Series: 74ALS
Canonical Name: Texas Instruments SN74ALS641A-1N Octal Bus Transceiver
Subcategory: Octal Bus Transceiver

SN74ALS641A-1N Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

SN74ALS641A-1N Estimated Pricing

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1+ $3.19 $3.19

Estimated market price range - modelled values for guidance only, not live distributor offers.

SN74ALS641A-1N Features

  • Octal bus transceiver with open-collector outputs.
  • Supports asynchronous two-way data communication.
  • TTL compatible inputs and outputs.
  • Operates from 4.5V to 5.5V supply.
  • Available in a 20-PDIP through-hole package.

SN74ALS641A-1N Applications

  • Digital interface design.
  • Bidirectional data bus communication.
  • Data transfer between systems.
  • Logic level shifting applications.

SN74ALS641A-1N FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS641A-1N?

The operating voltage range is 4.5V to 5.5V.

What is the operating temperature range of the SN74ALS641A-1N?

The operating temperature range is 0°C to 70°C.

What package does the SN74ALS641A-1N come in?

It comes in a 20-DIP (0.300", 7.62mm) package with through-hole mounting.

What is the output current capability of the SN74ALS641A-1N?

The maximum low-level output current (IOL) is 48mA and the maximum high-level output current (IOH) is 0.1mA.

What is the propagation delay of the SN74ALS641A-1N?

The propagation delay (tpd) is 10ns to 50ns.

What technology family is the SN74ALS641A-1N from?

It is from the Advanced Low-Power Schottky (ALS) technology family.

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