Overview
The 74HCT14D is a high-speed CMOS Schmitt Trigger Inverter fabricated with silicon gate C2MOS technology. This integrated circuit is designed and manufactured by Toshiba Semiconductor and Storage. It is part of the 74HCT series, which is known for its compatibility with TTL, NMOS, and CMOS output voltage levels, making it versatile for various digital circuit applications. The device operates at low power dissipation while maintaining high-speed performance similar to equivalent LSTTL devices.
Key Specifications
| Characteristics | Symbol | Condition | Value | Unit |
|---|---|---|---|---|
| Supply Voltage (Max) | VCC | - | 6 | V |
| Supply Voltage (Min) | VCC | - | 2 | V |
| Operating Temperature | Topr | - | -40 to 125 | ℃ |
| Propagation Delay Time (Typ.) | tpd | VCC = 5V | 17 | ns |
| Power Dissipation | PD | - | 500 | mW |
| Input Voltage | VIN | - | -0.5 to VCC + 0.5 | V |
| Output Voltage | VOUT | - | -0.5 to VCC + 0.5 | V |
| Input Diode Current | IIK | - | ±20 | mA |
| Output Diode Current | IOK | - | ±20 | mA |
| Output Current | IOUT | - | ±25 | mA |
| Quiescent Supply Current | ICC | Ta = 25 ℃ | 1.0 | µA |
Key Features
- High Speed: The 74HCT14D has a propagation delay time of 17 ns (typical) at VCC = 5 V, making it suitable for high-speed applications.
- Low Power Dissipation: It operates with a quiescent supply current of 1.0 µA (maximum) at Ta = 25 ℃, reducing power consumption.
- Wide Interfacing Ability: Compatible with LSTTL, NMOS, and CMOS output voltage levels, allowing for versatile use in different digital circuits.
- Balanced Propagation Delays: The device has balanced propagation delays (tPLH ≈ tPHL), ensuring consistent performance.
- Static Discharge Protection: All inputs are equipped with protection circuits against static discharge or transient excess voltage.
Applications
- Level Conversion: The 74HCT14D can be used as a level converter for interfacing TTL or NMOS to High Speed CMOS circuits.
- Digital Logic Circuits: It is suitable for use in various digital logic circuits requiring high-speed and low-power operation.
- Signal Conditioning: The Schmitt Trigger functionality makes it useful for signal conditioning and noise reduction in digital systems.
- General Purpose Logic: It can be used in general-purpose logic applications where high speed and low power consumption are critical.
Q & A
- What is the 74HCT14D?
The 74HCT14D is a high-speed CMOS Schmitt Trigger Inverter integrated circuit.
- Who manufactures the 74HCT14D?
The 74HCT14D is manufactured by Toshiba Semiconductor and Storage.
- What is the typical propagation delay time of the 74HCT14D?
The typical propagation delay time is 17 ns at VCC = 5 V.
- What are the operating temperature ranges for the 74HCT14D?
The operating temperature range is -40 to 125 ℃.
- Is the 74HCT14D RoHS compliant?
- What type of package does the 74HCT14D come in?
The 74HCT14D comes in a SOIC14 package.
- What is the power dissipation of the 74HCT14D?
The power dissipation is 500 mW.
- Can the 74HCT14D be used for level conversion?
- Does the 74HCT14D have static discharge protection?
- What are the input voltage limits for the 74HCT14D?
The input voltage limits are -0.5 to VCC + 0.5 V.
