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74HC540 Octal 3-state Inverting Buffer IC (74540 IC) DIP-20 Package

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Description

The 74HC540 is a high-speed CMOS octal 3-state inverting buffer IC. It features eight inverting buffer stages with 3-state outputs, which can be set to high, low, or high-impedance (floating) states. This makes the 74HC540 particularly useful in digital systems where data needs to be buffered and selectively disconnected from the bus or data lines.

Features

  • Octal inverting buffers: Eight independent inverting buffer stages.
  • 3-state outputs: Each output can be in a high, low, or high-impedance state, allowing for flexible bus interfacing.
  • Wide operating voltage range: Operates from 2V to 6V.
  • High-speed operation: Designed for fast switching and minimal delay.
  • Low power consumption: CMOS technology ensures efficient power usage.
  • Standard CMOS logic levels: Compatible with both CMOS and TTL logic levels.
  • Output enable pins: Control the 3-state outputs, allowing for selective activation.

Specifications

  • Package Type: DIP-20 (Dual In-line Package)
  • Number of Buffers: 8
  • Supply Voltage (Vcc): 2V to 6V
  • Maximum Clock Frequency: 30 MHz (typical at 5V)
  • Propagation Delay Time: 8 ns (typical at 5V)
  • Output Current: ±8 mA (at 5V)
  • Quiescent Current: 1 µA (maximum at 6V)
  • Operating Temperature: -40°C to +85°C

Note

* Product Images are shown for illustrative purposes only and may differ from actual product

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