Overview
The SN74AHCT541PWRG4 is an octal buffer/driver produced by Texas Instruments. This device is designed to drive bus lines or buffer memory address registers, making it highly versatile in digital circuit applications. It features inputs and outputs on opposite sides of the package, which facilitates easier printed circuit board (PCB) layout and design. The SN74AHCT541PWRG4 operates within a supply voltage range of 4.5V to 5.5V, making it compatible with a variety of digital systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Package | TSSOP (PW) | - |
| Pins | 20 | - |
| Operating Temperature Range | -40 to 125 | °C |
| Supply Voltage Range | 4.5 to 5.5 | V |
| Input Voltage Range | -0.5 to 7 | V |
| Output Voltage Range | -0.5 to VCC + 0.5 | V |
| ESD Protection (Human Body Model) | ±2000 | V |
| ESD Protection (Charged-Device Model) | ±1000 | V |
| Continuous Current through VCC or GND | ±75 | mA |
Key Features
- Inputs are TTL-voltage compatible, allowing for seamless integration with TTL-based systems.
- Latch-up performance exceeds 250mA per JESD 17, ensuring robust operation against latch-up conditions.
- ESD protection exceeds JESD 22 standards, with human-body model protection up to ±2000V and charged-device model protection up to ±1000V.
- The device features 3-state outputs, controlled by active-low output-enable inputs, which allow the outputs to be in a high-impedance state when not in use.
Applications
The SN74AHCT541PWRG4 is ideal for various digital circuit applications, including:
- Driving bus lines to ensure signal integrity and stability.
- Buffering memory address registers to enhance system performance.
- General-purpose buffering and driving in digital systems.
Q & A
- What is the operating temperature range of the SN74AHCT541PWRG4? The operating temperature range is -40°C to 125°C.
- What is the supply voltage range for this device? The supply voltage range is 4.5V to 5.5V.
- What type of package does the SN74AHCT541PWRG4 come in? It comes in a TSSOP (PW) package with 20 pins.
- What is the ESD protection level for this device? The device has ESD protection exceeding ±2000V for the human-body model and ±1000V for the charged-device model.
- What are the key features of the SN74AHCT541PWRG4? Key features include TTL-voltage compatible inputs, robust latch-up performance, and 3-state outputs.
- How do the 3-state outputs work in this device? The 3-state outputs are controlled by active-low output-enable inputs, allowing the outputs to be in a high-impedance state when not in use.
- What are some common applications for the SN74AHCT541PWRG4? Common applications include driving bus lines, buffering memory address registers, and general-purpose buffering and driving in digital systems.
- How should unused inputs be handled in the SN74AHCT541PWRG4? Unused inputs should be connected to a high or low bias to prevent them from floating.
- What are the recommendations for power supply and bypass capacitors? Each VCC terminal should have a good bypass capacitor, typically 0.1 μF, to prevent power disturbances.
- Is the SN74AHCT541PWRG4 RoHS compliant? Yes, the device is RoHS compliant, suitable for use in specified lead-free processes.
