Overview
The SN74HC14N is a hex inverter integrated circuit produced by Texas Instruments. This device contains six independent inverters with Schmitt-trigger inputs, each performing the Boolean function Y = A in positive logic. The SN74HC14N is part of the 74HC series, known for its high-speed CMOS logic and wide operating voltage range, making it versatile for various digital circuit applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Package Types | PDIP (N), SOIC (D), SSOP (DB), TSSOP (PW) | |
| Number of Pins | 14 | |
| Propagation Delay (A to Y) | 11 ns to 155 ns (depending on VCC) | ns |
| Transition Time (Y) | 6 ns to 95 ns (depending on VCC) | ns |
| Fanout | Up to 10 LSTTL loads |
Key Features
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Voltage Range: 2 V to 6 V, making it compatible with various power supply systems.
- Wide Operating Temperature Range: -40°C to +85°C, suitable for use in harsh environments.
- Supports Fanout up to 10 LSTTL Loads: High drive capability for multiple load connections.
- Significant Power Reduction: Compared to LSTTL logic ICs, it offers lower power consumption.
- Balanced CMOS Push-Pull Outputs: Allows the device to sink and source similar currents, ensuring balanced output.
Applications
- Synchronize Inverted Clock Inputs: Useful in timing and clock signal management.
- Debounce a Switch: Helps in stabilizing switch inputs to prevent multiple triggers.
- Invert a Digital Signal: Essential in various digital logic circuits where signal inversion is required.
Q & A
- What is the primary function of the SN74HC14N?
The SN74HC14N contains six independent inverters with Schmitt-trigger inputs, each performing the Boolean function Y = A in positive logic.
- What is the operating voltage range of the SN74HC14N?
The operating voltage range is 2 V to 6 V.
- What are the available package types for the SN74HC14N?
The available package types include PDIP (N), SOIC (D), SSOP (DB), and TSSOP (PW).
- What is the propagation delay of the SN74HC14N?
The propagation delay ranges from 11 ns to 155 ns, depending on the VCC voltage.
- What is the fanout capability of the SN74HC14N?
The device can support fanout up to 10 LSTTL loads.
- What are the key features of the SN74HC14N?
Key features include buffered inputs, wide operating voltage and temperature ranges, significant power reduction, and balanced CMOS push-pull outputs.
- How does the SN74HC14N help in switch debouncing?
The Schmitt-trigger inputs help in stabilizing switch inputs to prevent multiple triggers, thus debouncing the switch.
- What are some common applications of the SN74HC14N?
Common applications include synchronizing inverted clock inputs, debouncing switches, and inverting digital signals.
- What is the thermal resistance of the SN74HC14N?
The thermal resistance varies by package type, but typical values range from 40.6°C/W to 94.7°C/W for junction-to-board thermal resistance.
- Is the SN74HC14N RoHS compliant?
