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SN74HC540DWR The SN74HC540DWR is an octal buffer and line driver from Texas Instruments featuring 3-state outputs. It operates across a wide voltage range of 2V to 6V.
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SN74HC540DWR

Available from 2 distributors
Mfr Name: Texas Instruments
Texas Instruments
The SN74HC540DWR is an octal buffer and line driver from Texas Instruments featuring 3-state outputs. It operates across a wide voltage range of 2V to 6V.
✓ Total Stock: 92,118 pcs
$ Price Range: $0.35

SN74HC540DWR Available from 2 distributors

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Romaks Technologies ✓
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90,400 pcs
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90400 pcs On Request 1 On Request On Request On Request On Request On Request
Xingangxin ✓
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1,718 pcs
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1718 pcs On Request 1 On Request On Request On Request On Request On Request
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SN74HC540DWR Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Input Type
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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SN74HC540DWR Description

Short technical summary and product information.

The Texas Instruments SN74HC540DWR is an octal buffer and line driver designed for high-speed operation. It features 3-state outputs that can drive bus lines directly or up to 15 LSTTL loads.

 

This device operates within a wide voltage range of 2V to 6V, making it versatile for various applications. It offers a low power consumption of 80-μA maximum ICC and a typical propagation delay of 8 ns. The outputs provide ±6-mA drive at 5V, and the input current is a maximum of 1 μA.

 

The SN74HC540DWR provides inverted data at its outputs. Its data flow-through pinout, with inputs on the opposite side from outputs, greatly facilitates printed circuit board layout. The 3-state control gate is a 2-input NOR, where either output-enable input being high places all eight outputs in the high-impedance state.

 

Packaged in a 20-SOIC format, this component is designed for surface mounting. It operates within an industrial temperature range of -40°C to 85°C.

SN74HC540DWR Quick Information

Product Type: Buffer/Line Driver
Series: SNx4HC540
Canonical Name: SN74HC540 Octal Buffer/Line Driver with 3-State Outputs
Subcategory: Inverting Buffer/Line Driver

SN74HC540DWR Compliance

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

SN74HC540DWR Estimated Pricing

Qty Low High
1+ $0.35 $0.35

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

SN74HC540DWR Features

  • Octal buffer/line driver with 3-state outputs.
  • Wide 2V to 6V operating voltage range.
  • High-current outputs drive bus lines.
  • Typical propagation delay of 8ns.
  • Surface mount 20-SOIC package.

SN74HC540DWR Applications

  • Ideal for bus buffering applications.
  • Used in digital signal routing.
  • Suitable for level shifting circuits.
  • Facilitates PCB layout with flow-through design.

SN74HC540DWR FAQs

6 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the SN74HC540DWR?

The operating voltage range is 2V to 6V.

What is the operating temperature range of the SN74HC540DWR?

The operating temperature range is -40°C to 85°C.

What package is the SN74HC540DWR available in?

The SN74HC540DWR is available in a 20-SOIC surface-mount package.

What is the output drive current of the SN74HC540DWR?

The output drive current is ±6mA at 5V.

What is the logic type of the SN74HC540DWR?

The logic type is Buffer, Inverting with 3-state outputs.

How many channels does the SN74HC540DWR have?

The SN74HC540DWR has 8 channels.

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