Overview
The SN74HC14PWG4 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 SN74HC14PWG4 is packaged in a 14-pin TSSOP (Thin Shrink Small Outline Package) and is known for its wide operating voltage range and temperature tolerance, making it versatile for various electronic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package Type | TSSOP (PW) | - |
| Pins | 14 | - |
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | -40°C to +85°C | °C |
| Maximum Load Capacitance | 50 pF (typical) | pF |
| Propagation Delay Time (tpd) | 11 ns (typical at 5 V) | ns |
| Output Drive Current | ±4 mA at 5 V | mA |
| Input Current | 1 μA (max) | μA |
| Power Consumption (ICC) | 20 μA (max) | μA |
| Junction-to-Ambient Thermal Resistance (RθJA) | 113 °C/W | °C/W |
Key Features
- Buffered Inputs: The device has buffered inputs which help in stabilizing the input signals.
- Wide Operating Voltage Range: Operates over a voltage range of 2 V to 6 V.
- Wide Operating Temperature Range: Functional from -40°C to +85°C.
- High Fanout Capability: Supports fanout up to 10 LSTTL loads.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- Schmitt-Trigger Inputs: Allows for slow input signals and provides hysteresis to improve noise immunity.
Applications
- Synchronize Inverted Clock Inputs: Useful in synchronizing clock signals in digital circuits.
- Debounce a Switch: Can be used to debounce switch inputs to eliminate noise.
- Invert Digital Signals: General-purpose inverting of digital signals.
- AC Inverter Drives: Used in AC inverter drives and other motor drive applications.
- UPS and AC Servo Drives: Suitable for use in uninterruptible power supplies and AC servo drives.
- Microwave Ovens, Mice, and Printers: Can be applied in various consumer electronics and industrial control systems.
Q & A
- What is the SN74HC14PWG4 used for?
The SN74HC14PWG4 is used as a hex inverter with Schmitt-trigger inputs, suitable for various digital logic applications including signal inversion, switch debouncing, and clock synchronization.
- What is the operating voltage range of the SN74HC14PWG4?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC14PWG4?
The device operates from -40°C to +85°C.
- How many inverters does the SN74HC14PWG4 contain?
The device contains six independent inverters.
- What type of inputs does the SN74HC14PWG4 have?
The device has Schmitt-trigger inputs.
- What is the typical propagation delay time of the SN74HC14PWG4?
The typical propagation delay time is 11 ns at 5 V.
- What is the maximum output drive current of the SN74HC14PWG4?
The maximum output drive current is ±4 mA at 5 V.
- Is the SN74HC14PWG4 RoHS compliant?
- What is the package type of the SN74HC14PWG4?
The package type is TSSOP (Thin Shrink Small Outline Package) with 14 pins.
- What are some common applications of the SN74HC14PWG4?
- How many LSTTL loads can the SN74HC14PWG4 drive?
