Overview
The SN74AHCT14DGVRE4 is a hex Schmitt-Trigger inverter produced by Texas Instruments. This device contains six independent inverters, each performing the Boolean function Y = A. The SN74AHCT14 series is designed to operate within a voltage range of 4.5 to 5.5 volts, making it compatible with TTL (Transistor-Transistor Logic) voltage levels. The Schmitt-Trigger inputs allow the device to accept very slow or noisy inputs, enhancing its robustness in various applications.
Key Specifications
| Parameter | Unit | Min | Typ | Max |
|---|---|---|---|---|
| VCC Supply Voltage | V | 4.5 | 5.5 | |
| VI Input Voltage | V | 0 | 5.5 | |
| VO Output Voltage | V | 0 | VCC | |
| IOH High-Level Output Current | mA | -8 | ||
| IOL Low-Level Output Current | mA | 8 | ||
| TA Operating Free-Air Temperature | °C | -40 | 125 | |
| VT+ Positive-Going Input Threshold Voltage | V | 0.9 | 1.9 | 2.1 |
| VT– Negative-Going Input Threshold Voltage | V | 0.5 | 1.5 | 1.7 |
| ΔVT Hysteresis (VT+ – VT–) | V | 0.4 | 1.4 | 1.5 |
| tPLH Propagation Delay Time (A to Y) | ns | 4 | 7 | 8 |
| tPHL Propagation Delay Time (A to Y) | ns | 4 | 7 | 8 |
Key Features
- TTL-Voltage Compatible Inputs: The device accepts TTL voltage levels, making it compatible with a wide range of digital circuits.
- Schmitt-Trigger Inputs: Allows the device to handle very slow or noisy inputs by providing hysteresis, which helps in stabilizing the output.
- ESD Protection: Exceeds JESD 22 standards for Human-Body Model (2000 V), Machine Model (200 V), and Charged-Device Model (1000 V) ESD protection.
- Latch-Up Performance: Exceeds 250 mA per JESD 17, ensuring robust operation against latch-up conditions.
- CMOS Technology: Uses CMOS technology for balanced output drive and low power consumption.
- Multiple Package Options: Available in various packages such as SOIC, SSOP, TVSOP, PDIP, SOP, TSSOP, VQFN, and WQFN.
Applications
- Servers: Used in server systems for reliable signal inversion and noise immunity.
- Network Switches: Employed in network switches to handle digital signals with high reliability.
- Telecom Infrastructures: Utilized in telecommunications equipment for stable and robust signal processing.
- Test and Measurement Equipment: Used in various test and measurement devices to ensure accurate and reliable signal inversion.
Q & A
- What is the operating voltage range of the SN74AHCT14DGVRE4?
The operating voltage range is 4.5 to 5.5 volts.
- What type of inputs does the SN74AHCT14DGVRE4 have?
The device has TTL-voltage compatible inputs with Schmitt-Trigger action.
- What is the significance of Schmitt-Trigger inputs in the SN74AHCT14DGVRE4?
Schmitt-Trigger inputs allow the device to handle very slow or noisy inputs by providing hysteresis, which helps in stabilizing the output.
- What are the ESD protection levels for the SN74AHCT14DGVRE4?
The device exceeds JESD 22 standards for Human-Body Model (2000 V), Machine Model (200 V), and Charged-Device Model (1000 V) ESD protection.
- What is the latch-up performance of the SN74AHCT14DGVRE4?
The latch-up performance exceeds 250 mA per JESD 17.
- In what types of applications is the SN74AHCT14DGVRE4 commonly used?
It is commonly used in servers, network switches, telecom infrastructures, and test and measurement equipment.
- What are the available package options for the SN74AHCT14DGVRE4?
The device is available in various packages such as SOIC, SSOP, TVSOP, PDIP, SOP, TSSOP, VQFN, and WQFN.
- What is the operating temperature range for the SN74AHCT14DGVRE4?
The operating free-air temperature range is -40°C to 125°C.
- How many independent inverters does the SN74AHCT14DGVRE4 contain?
The device contains six independent inverters.
- What is the propagation delay time for the SN74AHCT14DGVRE4?
The propagation delay time (tPLH and tPHL) is typically 7 ns with a load capacitance of 15 pF.
