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M74HC540B1

Part No M74HC540B1
Manufacturer STMicroelectronics
Catalog OEM Parts (M - N)
Description Buffer/Line Driver 8-CH Inverting 3-ST CMOS 20-Pin PDIP
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Win Source Part Number 1029316-M74HC540B1
Categories OEM Parts(M-N)
Manufacturer STMicroelectronics
Popularity Low
Supply and Demand Status Shortage
Ultra Librarian 3D Model Ultra Librarian M74HC540B1 CAD Model

Description

STMicroelectronics M74HC540B1 Octal Buffer/Line Driver

The M74HC540B1 is a high-speed CMOS octal buffer and line driver designed to interface with bus systems. Manufactured by STMicroelectronics, a leader in semiconductor solutions, this integrated circuit is characterized by the high noise immunity and low power consumption typical of CMOS circuitry, while also providing a level of speed that rivals that of LSTTL (Low-Power Schottky Transistor-Transistor Logic) devices.

This robust component features eight non-inverting buffer/line drivers with 3-state outputs, making it an excellent choice for driving bus lines or buffer memory address registers. Its versatility is further enhanced by the fact that the inputs are designed to tolerate voltages that exceed the Vcc supply level, thereby ensuring that the M74HC540B1 remains protected against potential damage from high static voltages or electric fields.

Key Features:

  • Logic Type: Octal Buffer/Line Driver with 3-State Outputs
  • Operating Voltage Range: 2V to 6V, accommodating a variety of logic level requirements
  • High Noise Immunity: VNIH = VNIL = 28% VCC (minimum) ensures stable operation in noisy environments
  • Output Drive Capability: 15 LSTTL loads, suitable for driving multiple devices in a bus configuration
  • Symmetrical Output Impedance: Ensures balanced propagation delays for both high and low-level signals
  • Pin and Function Compatible with 54 Series: Easy replacement and integration into existing designs
  • ESD Performance: HBM: 2 kV, MM: 200 V, ensuring resilience to electrostatic discharge events

Applications:

The M74HC540B1 is designed for general-purpose use in a wide array of electronic applications. It is particularly well-suited for use in:

  • Bus driver interfaces
  • Memory address drivers
  • Input/output port drivers
  • Data transmission lines

With its robust design and reliable performance, the M74HC540B1 from STMicroelectronics is an excellent choice for designers looking to implement an octal buffer or line driver in their digital logic systems. Its compatibility with a wide operating voltage range and immunity to noise make it a versatile and durable component for demanding applications.

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