SN74HC540NSR
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Texas Instruments SN74HC540NSR

Manufacturer No:
SN74HC540NSR
Manufacturer:
Texas Instruments
Package:
Tape & Reel (TR)
Description:
IC BUFFER INVERT 6V 20SO
Delivery:
Payment:
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Product Introduction

Overview

The SN74HC540NSR is an octal buffer and line driver produced by Texas Instruments. This component is part of the 74HC series, known for its high performance and versatility in digital circuit design. The SN74HC540NSR features a wide operating voltage range of 2 V to 6 V, making it suitable for various applications. It is designed to facilitate easy printed circuit board layout with its data flow-through pinout, where all inputs are on one side of the package and all outputs are on the opposite side.

Key Specifications

Parameter Description
Part Number SN74HC540NSR
Manufacturer Texas Instruments
Package SO-20 (0.209", 5.30mm Width)
Voltage - Supply 2 V ~ 6 V
Operating Temperature -40°C ~ 85°C (TA)
Logic Type Buffer, Inverting
Output Type 3-State
Number of Bits per Element 8
Current - Output High, Low 7.8mA, 7.8mA
Low Power Consumption 80-µA Max ICC
Typical Propagation Delay 8 ns
Output Drive at 5 V ±6-mA
Input Current 1 µA Max

Key Features

  • Wide Operating Voltage Range: 2 V to 6 V, making it versatile for different applications.
  • High-Current 3-State Outputs: Capable of driving bus lines directly or up to 15 LSTTL loads.
  • Low Power Consumption: Maximum ICC of 80 µA.
  • Fast Propagation Delay: Typical tpd of 8 ns.
  • High Output Drive: ±6-mA output drive at 5 V.
  • Low Input Current: Maximum input current of 1 µA.
  • Data Flow-Through Pinout: Inputs and outputs are on opposite sides of the package, facilitating easy PCB layout.
  • 3-State Control Gate: 2-input NOR gate for output enable control.

Applications

The SN74HC540NSR is suitable for a variety of digital circuit applications, including:

  • Buffering and Line Driving: Ideal for driving bus lines and other high-capacity loads.
  • Digital Logic Circuits: Used in complex digital logic designs where high-speed and low power consumption are critical.
  • Embedded Systems: Suitable for use in microcontroller and microprocessor-based systems.
  • Communication Systems: Can be used in communication interfaces and data transmission circuits.
  • Industrial Control Systems: Applicable in industrial automation and control systems requiring reliable and fast signal processing.

Q & A

  1. What is the operating voltage range of the SN74HC540NSR?

    The operating voltage range is 2 V to 6 V.

  2. What type of logic does the SN74HC540NSR implement?

    The SN74HC540NSR implements buffer and inverting logic.

  3. What is the typical propagation delay of the SN74HC540NSR?

    The typical propagation delay is 8 ns.

  4. How much current can the outputs of the SN74HC540NSR drive?

    The outputs can drive up to ±6-mA at 5 V.

  5. What is the maximum input current of the SN74HC540NSR?

    The maximum input current is 1 µA.

  6. What is the purpose of the 3-state control gate in the SN74HC540NSR?

    The 3-state control gate is a 2-input NOR gate that controls the output enable, placing all outputs in a high-impedance state if either OE input is high.

  7. What is the package type of the SN74HC540NSR?

    The package type is SO-20 (0.209", 5.30mm Width).

  8. What is the operating temperature range of the SN74HC540NSR?

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

  9. How many bits per element does the SN74HC540NSR support?

    The SN74HC540NSR supports 8 bits per element.

  10. What are some common applications of the SN74HC540NSR?

    Common applications include buffering and line driving, digital logic circuits, embedded systems, communication systems, and industrial control systems.

Product Attributes

Logic Type:Buffer, Inverting
Number of Elements:1
Number of Bits per Element:8
Input Type:- 
Output Type:3-State
Current - Output High, Low:7.8mA, 7.8mA
Voltage - Supply:2V ~ 6V
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:20-SOIC (0.209", 5.30mm Width)
Supplier Device Package:20-SO
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Similar Products

Part Number SN74HC540NSR SN74HC541NSR SN74HC640NSR SN74HC540NS
Manufacturer Texas Instruments Texas Instruments Texas Instruments Texas Instruments
Product Status Active Active Active Active
Logic Type Buffer, Inverting Buffer, Non-Inverting Transceiver, Inverting Buffer, Inverting
Number of Elements 1 1 1 1
Number of Bits per Element 8 8 8 8
Input Type - - - -
Output Type 3-State 3-State 3-State 3-State
Current - Output High, Low 7.8mA, 7.8mA 7.8mA, 7.8mA 7.8mA, 7.8mA 7.8mA, 7.8mA
Voltage - Supply 2V ~ 6V 2V ~ 6V 2V ~ 6V 2V ~ 6V
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.209", 5.30mm Width) 20-SOIC (0.209", 5.30mm Width)
Supplier Device Package 20-SO 20-SO 20-SO 20-SO

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