Overview
The SN74AHCT244QPWRQ1 is an automotive-grade octal buffer/driver with 3-state outputs, manufactured by Texas Instruments. This device is designed to enhance the performance and density of 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters. It features two 4-bit buffers/line drivers with separate output-enable (OE) inputs, allowing for precise control over data transmission. The SN74AHCT244QPWRQ1 is qualified for automotive applications and offers robust ESD protection, making it suitable for demanding environments.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| VCC Supply Voltage Range | −0.5 to 7 | V |
| Input Voltage Range | −0.5 to 7 | V |
| Output Voltage Range | −0.5 to VCC + 0.5 | V |
| Continuous Output Current | ±25 | mA |
| Continuous Current through VCC or GND | ±75 | mA |
| Storage Temperature Range | −65 to 150 | °C |
| Operating Temperature Range | −40 to 125 | °C |
| Package Type | TSSOP-20 | |
| Number of Channels | 2 (each 4-bit buffer/driver) | |
| Technology | CMOS, TTL |
Key Features
- Qualified for automotive applications.
- ESD protection exceeds 1000V per MIL-STD-883, method 3015.
- EPIC™ (enhanced-performance implanted CMOS) process.
- Inputs are TTL-voltage compatible.
- Two 4-bit buffers/line drivers with separate output-enable (OE) inputs.
- 3-state outputs for high-impedance state when OE is high.
Applications
- Enable or disable a digital signal.
- Eliminate slow or noisy input signals.
- Hold a signal during controller reset.
- Debounce a switch.
- Use in 3-state memory-address drivers, clock drivers, and bus-oriented receivers and transmitters.
Q & A
- What is the primary function of the SN74AHCT244QPWRQ1? The primary function is to act as an octal buffer/driver with 3-state outputs, enhancing signal transmission and control in digital systems.
- What are the operating temperature ranges for this device? The operating temperature range is −40°C to 125°C.
- What type of ESD protection does this device offer? The device offers ESD protection exceeding 1000V per MIL-STD-883, method 3015.
- What is the package type of the SN74AHCT244QPWRQ1? The package type is TSSOP-20.
- How many channels does the SN74AHCT244QPWRQ1 have? It has two 4-bit buffers/line drivers, making a total of 8 channels.
- What technology is used in this device? The device uses CMOS and TTL technologies.
- What is the purpose of the output-enable (OE) inputs? The OE inputs control the state of the outputs, allowing them to be in a high-impedance state when OE is high.
- How should unused inputs be handled? Unused inputs must be held at VCC or GND to ensure proper device operation.
- What are some common applications of this device? Common applications include enabling or disabling digital signals, eliminating slow or noisy input signals, holding signals during controller reset, and debouncing switches.
- Is the SN74AHCT244QPWRQ1 suitable for automotive applications? Yes, it is qualified for automotive applications.
