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SN74ALS645AN The Texas Instruments SN74ALS645AN is an octal bus transceiver with 3-state outputs. It operates from a 4.5V to 5.5V supply and is designed for asynchronous two-way communication between data buses.
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SN74ALS645AN

Available from 5 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments SN74ALS645AN is an octal bus transceiver with 3-state outputs. It operates from a 4.5V to 5.5V supply and is designed for asynchronous two-way communication between data buses.
✓ Total Stock: 6,483 pcs
$ Price Range: $1.49

SN74ALS645AN Available from 5 distributors

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SN74ALS645AN Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Lead Style
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
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SN74ALS645AN Description

Short technical summary and product information.

The SN74ALS645AN from Texas Instruments is an octal bus transceiver designed for bidirectional communication between data buses. It features 8 channels, true logic, and 3-state outputs, allowing for effective isolation of buses when disabled.

 

This device operates with a supply voltage range of 4.5V to 5.5V and is characterized for operation from 0°C to 70°C. It supports TTL input and output types, with output currents of up to 24mA (IOL) and -15mA (IOH).

 

The SN74ALS645AN is available in a 20-pin PDIP package and is suitable for through-hole mounting. Its high-speed operation with propagation delays between 10-50ns makes it a versatile component for various digital interface applications.

SN74ALS645AN Quick Information

Product Type: Octal Bus Transceiver
Series: SN74ALS645A
Canonical Name: SN74ALS645AN Octal Bus Transceiver with 3-State Outputs
Subcategory: General-purpose transceivers

SN74ALS645AN Compliance

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

SN74ALS645AN Estimated Pricing

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1+ $1.49 $1.49

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

SN74ALS645AN Features

  • Octal bidirectional bus transceiver.
  • Features 8 channels with 3-state outputs.
  • Operates from a 4.5V to 5.5V supply.
  • Suitable for through-hole mounting.
  • Wide operating temperature range.

SN74ALS645AN Applications

  • Facilitates data transfer between buses.
  • Enables bus isolation when disabled.
  • Used in digital interface designs.
  • Suitable for high-speed applications.

SN74ALS645AN FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74ALS645AN?

The operating voltage range is 4.5V to 5.5V.

What is the operating temperature range of the SN74ALS645AN?

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

What package does the SN74ALS645AN come in?

The SN74ALS645AN is available in a 20-DIP (0.300", 7.62mm) through-hole package, also known as 20-PDIP.

What is the output type of the SN74ALS645AN?

The output type is 3-State.

What is the logic type of the SN74ALS645AN?

The logic type is Transceiver, Non-Inverting.

What is the maximum output current of the SN74ALS645AN?

The maximum output low current is 24mA and the maximum output high current is -15mA.

What technology family does the SN74ALS645AN belong to?

The technology family is ALS (Advanced Low-Power Schottky).

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