SN74LS14DRE4

The SN74LS14DRE4 is a hex inverter Schmitt-trigger logic device manufactured by Texas Instruments. It is part of the 74LS (Low Power Schottky) series, which is known for its high-speed performance and low power consumption. Here’s a detailed description of its features and specifications:

General Description:

• Functionality: The SN74LS14DRE4 contains six independent inverters, each with a Schmitt-trigger input. This means that it can convert a slow or noisy input signal into a clean, fast output signal, making it ideal for applications where signal integrity is crucial.
• Logic Family: It belongs to the Low Power Schottky (LS) family, which is designed to provide improved speed and reduced power consumption compared to standard TTL (Transistor-Transistor Logic) devices.

Key Features:

• Input Type: Schmitt-trigger inputs provide hysteresis, which helps to eliminate noise and allows for faster switching times.
• Output Type: The outputs are capable of driving standard TTL loads, making the device versatile for various applications.
• Supply Voltage: The device operates typically at a supply voltage (Vcc) of 5V, which is standard for TTL logic devices.
• Temperature Range: It is rated for operation over a wide temperature range, typically from -40°C to +85°C, making it suitable for industrial applications.
• Propagation Delay: The typical propagation delay time is around 10 ns, allowing for high-speed operation in digital circuits.
• Power Dissipation: The device has a low power dissipation characteristic, typically consuming around 1.5 mA per gate, which contributes to overall energy efficiency in circuit designs.

Pin Configuration:

• The SN74LS14DRE4 is available in a 14-pin Dual In-Line Package (DIP) or a surface-mount package (SOIC), with each pin serving a specific function:
  • Inputs: Each of the six inverters has a dedicated input pin.
  • Outputs: Corresponding output pins for each inverter.
  • Power and Ground: Pins for connecting to the power supply (Vcc) and ground (GND).

Applications:

• The SN74LS14DRE4 is widely used in various digital applications, including:
  • Signal conditioning and waveform shaping.
  • Debouncing switches and buttons.
  • Generating clock signals.
  • Logic level conversion in mixed-voltage systems.

Packaging:

• The device is typically available in a surface-mount package (DRE4) which is suitable for automated assembly processes and helps save space on printed circuit boards (PCBs).

Compliance:

• The SN74LS14DRE4 is compliant with various industry standards, making it suitable for use in consumer electronics, automotive, and industrial applications.

In summary, the SN74LS14DRE4 from Texas Instruments is a versatile and reliable hex inverter with Schmitt-trigger inputs, designed for high-speed and low-power applications in digital electronics. Its robust features and specifications make it a popular choice among engineers and designers.