SN74LS14D

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Schmitt Trigger Inverter
• Package: SOIC-14
• Essence: Hex Inverter with Schmitt Trigger Inputs
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Supply Voltage Range: 4.75V to 5.25V
• High-Level Input Voltage: 2V to 5.25V
• Low-Level Input Voltage: 0V to 0.8V
• High-Level Output Voltage: 2.7V (min)
• Low-Level Output Voltage: 0.5V (max)
• Propagation Delay Time: 15ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LS14D has a total of 14 pins arranged as follows:

1. Pin 1: Input A1
2. Pin 2: Output Y1
3. Pin 3: Input B1
4. Pin 4: Ground (GND)
5. Pin 5: Input C1
6. Pin 6: Output Y2
7. Pin 7: Input D1
8. Pin 8: VCC (+5V)
9. Pin 9: Output Y3
10. Pin 10: Input D2
11. Pin 11: Output Y4
12. Pin 12: Input C2
13. Pin 13: Output Y5
14. Pin 14: Input B2

Functional Features

• Hex inverter with Schmitt trigger inputs
• Provides improved noise immunity
• Converts slow input signals into fast output signals
• Suitable for use in noisy environments
• Wide operating voltage range
• Low power consumption

Advantages and Disadvantages

Advantages: - Improved noise immunity due to Schmitt trigger inputs - Wide operating voltage range allows for versatile applications - Low power consumption helps in energy-efficient designs

Disadvantages: - Limited number of inverters (6) compared to other ICs with more gates - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74LS14D is a hex inverter with Schmitt trigger inputs. It operates by converting slow input signals into fast output signals. The Schmitt trigger inputs provide improved noise immunity, making it suitable for use in noisy environments. When the input voltage crosses the threshold levels defined by the Schmitt trigger, the output switches states. This ensures reliable signal conversion even in the presence of noise.

Detailed Application Field Plans

The SN74LS14D finds applications in various fields, including:

1. Digital electronics: Used as a basic building block for logic circuits.
2. Communication systems: Helps in signal conditioning and noise rejection.
3. Industrial automation: Provides reliable signal conversion in noisy environments.
4. Automotive electronics: Used in vehicle control systems for noise-immune signal processing.
5. Consumer electronics: Enables noise-free signal transmission in audio and video devices.

Detailed and Complete Alternative Models

1. SN74LS04: Hex Inverter without Schmitt trigger inputs.
2. SN74HC14: Hex Schmitt-Trigger Inverter with higher speed and wider voltage range.
3. SN74HCT14: Hex Schmitt-Trigger Inverter with TTL-compatible inputs.

These alternative models offer similar functionality but may have different specifications and characteristics.

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