Overview
The CD74HCT14MT is a high-speed CMOS logic hex inverting Schmitt trigger integrated circuit produced by Texas Instruments. This device contains six independent inverters, each with Schmitt-trigger inputs, performing the Boolean function Y = A in positive logic. It is designed to operate within a wide temperature range and is compatible with both LSTTL and CMOS input logic.
Key Specifications
| Parameter | Value | Units | Conditions |
|---|---|---|---|
| Operating Temperature Range | -55 to 125 | °C | |
| Supply Voltage (VCC) | 4.5 to 5.5 | V | |
| Input Voltage (VI) | 0 to 5.5 | V | |
| High Level Output Voltage (VOH) - CMOS Loads | 4.4 | V | VCC = 4.5V, IO = -50µA |
| Low Level Output Voltage (VOL) - CMOS Loads | 0.1 | V | VCC = 4.5V, IO = 50µA |
| High Level Output Voltage (VOH) - TTL Loads | 3.98 | V | VCC = 4.5V, IO = -50µA |
| Low Level Output Voltage (VOL) - TTL Loads | 0.26 | V | VCC = 4.5V, IO = 50µA |
| Input Leakage Current (II) | ±1 | µA | VCC = 5.5V, VI = 0 or VCC |
| Quiescent Device Current (ICC) | 20 | µA | VCC = 5.5V, VI = 0 or VCC |
| Package Type | SOIC (D) | 14 pins |
Key Features
- LSTTL input logic compatible
- CMOS input logic compatible
- Buffered inputs
- 4.5 V to 5.5 V operation
- Wide operating temperature range: -55°C to +125°C
- Supports fanout up to 10 LSTTL loads
- Significant power reduction compared to LSTTL logic ICs
- Schmitt-trigger inputs for noise immunity
Applications
The CD74HCT14MT is suitable for a variety of applications requiring high-speed logic operations and noise immunity. These include:
- Digital signal processing and conditioning
- Noise reduction and filtering in digital circuits
- High-speed logic gates and inverters
- Automotive and industrial control systems
- Consumer electronics requiring robust logic operations
Q & A
- What is the operating temperature range of the CD74HCT14MT?
The operating temperature range is -55°C to +125°C.
- What is the supply voltage range for the CD74HCT14MT?
The supply voltage range is 4.5 V to 5.5 V.
- Is the CD74HCT14MT compatible with LSTTL input logic?
- What type of inputs does the CD74HCT14MT have?
The CD74HCT14MT has Schmitt-trigger inputs.
- How many independent inverters does the CD74HCT14MT contain?
- What is the package type of the CD74HCT14MT?
The package type is SOIC (D) with 14 pins.
- What is the quiescent device current for the CD74HCT14MT?
The quiescent device current is up to 20 µA at VCC = 5.5V.
- Is the CD74HCT14MT sensitive to electrostatic discharge?
- What are some common applications of the CD74HCT14MT?
- Does the CD74HCT14MT support fanout to other logic loads?
