Overview
The SN74HCT14N is a hex inverting Schmitt-Trigger device produced by Texas Instruments. This component contains six independent inverters that perform the Boolean function Y = A in positive logic. The device is designed to handle noisy or slow inputs, providing a minimum separation between positive and negative switching thresholds to prevent issues such as oscillation or excessive current draw. It operates within a voltage range of 4.5 V to 5.5 V, making it versatile for various system applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 4.5 V to 5.5 V | V |
| Output Drive Capability | Up to 10 LSTTL Loads | - |
| Maximum Supply Current (ICC) | 20 µA | µA |
| Propagation Delay Time (tpd) | 18 ns (typical at VCC = 5 V) | ns |
| Output Drive at 5 V | ±4 mA | mA |
| Maximum Low Input Current | 1 µA | µA |
| Input Compatibility | TTL-Voltage Compatible | - |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | PDIP (N) with 14 pins | - |
Key Features
- Operating Voltage Range of 4.5 V to 5.5 V
- Outputs Can Drive Up to 10 LSTTL Loads
- Low Power Consumption: 20-µA Maximum ICC
- Typical Propagation Delay Time of 18 ns at VCC = 5 V
- ±4-mA Output Drive at 5 V
- Maximum Low Input Current of 1 µA
- Inputs Are TTL-Voltage Compatible
- Schmitt-Trigger inputs to handle noisy or slow inputs
Applications
- UPS (Uninterruptible Power Supplies)
- White Goods
- Computer Peripherals
- Printers
- AC Servo Drives
- Desktop Computers
Q & A
- What is the operating voltage range of the SN74HCT14N?
The operating voltage range is 4.5 V to 5.5 V.
- How many independent inverters does the SN74HCT14N contain?
The device contains six independent inverters.
- What is the typical propagation delay time of the SN74HCT14N at VCC = 5 V?
The typical propagation delay time is 18 ns.
- What is the output drive capability of the SN74HCT14N?
The outputs can drive up to 10 LSTTL loads.
- Is the SN74HCT14N input TTL-voltage compatible?
- What is the maximum low input current of the SN74HCT14N?
The maximum low input current is 1 µA.
- What is the operating temperature range of the SN74HCT14N?
The operating temperature range is -40°C to 85°C.
- In what package type is the SN74HCT14N available?
The SN74HCT14N is available in a PDIP (N) package with 14 pins.
- What are some common applications of the SN74HCT14N?
Common applications include UPS, white goods, computer peripherals, printers, AC servo drives, and desktop computers.
- What is the purpose of the Schmitt-Trigger inputs in the SN74HCT14N?
The Schmitt-Trigger inputs are designed to handle noisy or slow inputs, preventing issues such as oscillation or excessive current draw.
