Overview
The SN74LV14APWRG4 is a hex Schmitt-trigger inverter produced by Texas Instruments. This device is designed for operation over a wide voltage range of 2 V to 5.5 V, making it versatile for various digital logic applications. It contains six independent inverters, each performing the Boolean function Y = Ā, where Y is the output and A is the input. The SN74LV14APWRG4 uses CMOS technology and features balanced output drive, which helps in maintaining stable output levels. However, it is important to note that this device is currently obsolete, as indicated by Texas Instruments.
Key Specifications
| Parameter | Min | Max | Unit |
|---|---|---|---|
| VCC Supply Voltage Range | -0.5 | 7 | V |
| VI Input Voltage Range | -0.5 | 7 | V |
| VO Output Voltage Range | -0.5 | VCC + 0.5 | V |
| IOH High-Level Output Current (VCC = 4.5 V to 5.5 V) | -12 | mA | |
| IOL Low-Level Output Current (VCC = 4.5 V to 5.5 V) | 12 | mA | |
| TA Operating Free-Air Temperature | -40 | 125 | °C |
| tpd Propagation Delay (VCC = 5 V) | 6.5 | ns |
Key Features
- Operates over a wide voltage range of 2 V to 5.5 V, supporting mixed-mode voltage operation.
- Contains six independent Schmitt-trigger inverters, each performing the Boolean function Y = Ā.
- CMOS technology with balanced output drive, ensuring stable output levels.
- High drive capability, creating fast edges into light loads.
- Overvoltage tolerant inputs and outputs, allowing them to go as high as 5.5 V at any valid VCC.
- Latch-up performance exceeds 250 mA per JESD 17.
Applications
- Power sub-station controls
- Ethernet switches
- Flow meters
- Digital PLC/DCS inputs
- Servers and data centers
- Test and measurement equipment
Q & A
- What is the voltage range for the SN74LV14APWRG4? The device operates over a voltage range of 2 V to 5.5 V.
- How many independent inverters does the SN74LV14APWRG4 contain? It contains six independent inverters.
- What is the maximum propagation delay at VCC = 5 V? The maximum propagation delay is 6.5 ns.
- What is the recommended operating temperature range for the SN74LV14APWRG4? The operating free-air temperature range is -40°C to 125°C.
- Is the SN74LV14APWRG4 still in production? No, the SN74LV14APWRG4 is currently obsolete as indicated by Texas Instruments.
- What type of technology does the SN74LV14APWRG4 use? It uses CMOS technology).
- What are the high-level and low-level output currents at VCC = 4.5 V to 5.5 V? The high-level output current is -12 mA, and the low-level output current is 12 mA).
- Why is it important to connect unused inputs to VCC or GND? Connecting unused inputs to VCC or GND prevents them from floating and ensures proper device operation).
- What are some common applications for the SN74LV14APWRG4? Common applications include power sub-station controls, Ethernet switches, flow meters, digital PLC/DCS inputs, and servers).
- What is the significance of Schmitt-trigger inputs in the SN74LV14APWRG4? Schmitt-trigger inputs provide hysteresis, which helps in noise immunity and stable operation).
