Overview
The SN74HCT14DGVR, produced by Texas Instruments, is a hex inverter with Schmitt-trigger inputs. This device is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) voltage levels. It contains six independent inverters, each performing the Boolean function Y = A in positive logic. The SN74HCT14DGVR is designed to operate over a wide range of voltages and temperatures, making it versatile for various applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Package | TVSOP (14-pin) | 3.60 mm × 4.40 mm |
| Operating Voltage Range | 4.5 V to 5.5 V | |
| Operating Temperature Range | -40°C to +85°C | |
| Propagation Delay Time (tpd) | Typical 18 ns | |
| Output Drive | ±4 mA at 5 V | |
| Input Current | Maximum 1 μA | |
| Supply Current (ICC) | Maximum 20 μA | |
| Load Drive Capability | Up to 10 LSTTL loads | |
| Input Type | Schmitt-Trigger | |
| Output Type | Push-Pull |
Key Features
- Wide Operating Voltage Range: The device operates within a voltage range of 4.5 V to 5.5 V, making it compatible with various system logic levels.
- TTL-Voltage Compatible Inputs: The inputs are designed to be compatible with TTL voltage levels, ensuring seamless integration with TTL-based systems.
- Low Power Consumption: The device has a maximum supply current (ICC) of 20 μA, which is beneficial for power-sensitive applications.
- High-Speed Operation: The typical propagation delay time (tpd) is 18 ns, allowing for fast signal processing.
- High Output Drive Capability: The outputs can source or sink up to 4 mA at 5 V, enabling the device to drive up to 10 LSTTL loads.
- Schmitt-Trigger Inputs: These inputs provide a minimum separation between positive and negative switching thresholds, helping to mitigate issues with noisy or slow inputs.
Applications
- UPS Systems: Used in uninterruptible power supply systems for reliable signal inversion and buffering.
- White Goods and Consumer Electronics: Applied in various household appliances and consumer electronics for signal processing and logic functions.
- Computer Peripherals and Printers: Utilized in computer peripherals and printers for inverting and buffering digital signals.
- AC Servo Drives and Desktop Computers: Employed in servo drive systems and desktop computers for high-speed and reliable signal inversion.
- Debouncing Switches: Used to debounce switches and other noisy inputs to ensure stable and reliable digital signals.
- Synchronizing Inverted Clock Inputs: Applied to synchronize inverted clock signals in digital circuits.
Q & A
- What is the operating voltage range of the SN74HCT14DGVR?
The operating voltage range is 4.5 V to 5.5 V.
- What is the typical propagation delay time (tpd) of the SN74HCT14DGVR?
The typical propagation delay time is 18 ns.
- How many LSTTL loads can the outputs of the SN74HCT14DGVR drive?
The outputs can drive up to 10 LSTTL loads each.
- What is the maximum supply current (ICC) of the SN74HCT14DGVR?
The maximum supply current is 20 μA.
- What type of inputs does the SN74HCT14DGVR have?
The device has Schmitt-trigger inputs.
- What is the output drive capability of the SN74HCT14DGVR?
The outputs can source or sink up to 4 mA at 5 V.
- Is the SN74HCT14DGVR compatible with TTL voltage levels?
- What is the operating temperature range of the SN74HCT14DGVR?
- What are some common applications of the SN74HCT14DGVR?
- What package type does the SN74HCT14DGVR come in?
