Overview
The SN74HC14D, produced by Texas Instruments, is a hex Schmitt-trigger inverter integrated circuit. This device contains six independent inverters, each performing the Boolean function Y = A in positive logic. The Schmitt-trigger inputs provide noise immunity, making the device suitable for applications where input signals may be noisy or slow.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Output Drive | ±8 mA at 5 V | mA |
| ESD Protection | 2000 V Human-Body Model, 200 V Machine Model, 1000 V Charged-Device Model | V |
| Power Consumption | 20 µA maximum ICC | µA |
| Package Type | SOIC (D), 14 pins | |
| Propagation Delay (CL = 15 pF) | 5.5 ns to 10 ns | ns |
Key Features
- Schmitt-trigger inputs for noise immunity and hysteresis
- Wide operating voltage range of 2 V to 6 V
- High output drive capability: ±8 mA at 5 V
- Low power consumption: 20 µA maximum ICC
- ESD protection exceeds JESD 22 standards (2000 V Human-Body Model, 200 V Machine Model, 1000 V Charged-Device Model)
- Latch-up performance exceeds 250 mA per JESD 17
Applications
- UPS (Uninterruptible Power Supplies)
- White goods
- Computer peripherals
- Printers
- AC servo drives
- Desktop computers
Q & A
- What is the SN74HC14D?
The SN74HC14D is a hex Schmitt-trigger inverter integrated circuit produced by Texas Instruments.
- What is the operating voltage range of the SN74HC14D?
The operating voltage range is from 2 V to 6 V.
- What is the significance of Schmitt-trigger inputs in the SN74HC14D?
Schmitt-trigger inputs provide noise immunity and hysteresis, making the device suitable for applications with noisy or slow input signals.
- What is the output drive capability of the SN74HC14D?
The output drive capability is ±8 mA at 5 V.
- What are the ESD protection levels of the SN74HC14D?
The ESD protection levels exceed JESD 22 standards: 2000 V Human-Body Model, 200 V Machine Model, and 1000 V Charged-Device Model.
- What is the power consumption of the SN74HC14D?
The maximum power consumption (ICC) is 20 µA.
- What are some common applications of the SN74HC14D?
Common applications include UPS, white goods, computer peripherals, printers, AC servo drives, and desktop computers.
- What is the package type of the SN74HC14D?
The package type is SOIC (D) with 14 pins.
- What is the propagation delay of the SN74HC14D?
The propagation delay ranges from 5.5 ns to 10 ns for a load capacitance of 15 pF.
- Does the SN74HC14D have latch-up protection?
Yes, the latch-up performance exceeds 250 mA per JESD 17.
