SN74LS645-1N The SN74LS645-1N is an octal bus transceiver from Texas Instruments designed for asynchronous two-way communication. It features TTL input/output and 3-state outputs.
Mfr Part #:

SN74LS645-1N

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74LS645-1N is an octal bus transceiver from Texas Instruments designed for asynchronous two-way communication. It features TTL input/output and 3-state outputs.
Total Stock: 53 pcs
$ Price Range: $1.48

SN74LS645-1N Available from 1 distributor

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SN74LS645-1N Specifications Quick View

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

SN74LS645-1N Description

Short technical summary and product information.

The Texas Instruments SN74LS645-1N is an octal bus transceiver designed for asynchronous two-way communication between data buses. This device operates with a voltage range of 4.75V to 5.25V and is characterized for operation from 0°C to 70°C.

 

Key electrical specifications include 8 channels, non-inverting logic, and 3-state outputs. The transceiver can handle output currents up to 48mA and input currents of 15mA. It also features a high-speed operation with a propagation delay between 10ns and 50ns, utilizing the LS technology family.

 

The SN74LS645-1N is available in a 20-PDIP package and supports through-hole mounting. Its design includes hysteresis at bus inputs to improve noise margins. The device is suitable for applications requiring bidirectional data transfer and bus isolation.

 

Compliance information indicates RoHS3 compliance and an MSL of 1. The REACH status is unaffected. This component is ideal for various digital logic applications where efficient data bus management is required.

SN74LS645-1N Quick Information

Product Type: Octal Bus Transceiver
Series: SN74LS645
Canonical Name: SN74LS645-1N Octal Bus Transceiver
Subcategory: Bus Transceiver

SN74LS645-1N Compliance

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

SN74LS645-1N Estimated Pricing

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1+ $1.48 $1.48

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

SN74LS645-1N Features

  • Octal bus transceiver with 8 channels.
  • Features TTL input and 3-state output.
  • Operates at 5.25V with 0°C to 70°C range.
  • High-speed operation with 10-50ns delay.
  • Available in 20-PDIP through-hole package.

SN74LS645-1N Applications

  • Ideal for asynchronous data transfer.
  • Suitable for bus isolation applications.
  • Used in digital logic systems.
  • Facilitates bidirectional communication.

SN74LS645-1N FAQs

5 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74LS645-1N?

The operating voltage range is 4.75V to 5.25V.

What package does the SN74LS645-1N come in?

It comes in a 20-pin PDIP (0.300", 7.62mm) through-hole package.

What is the operating temperature range?

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

What logic family does the SN74LS645-1N belong to?

It belongs to the LS (Low-Power Schottky) technology family.

What is the output type of this transceiver?

The outputs are 3-state, TTL-compatible.

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