Overview
The SN74AHC541PWR, produced by Texas Instruments, is an octal buffer and driver integrated circuit. This device is designed to drive bus lines or buffer memory address registers, featuring inputs and outputs on opposite sides of the package to facilitate printed circuit board layout. It operates within a wide voltage range of 2 V to 5.5 V, making it versatile for various applications. The SN74AHC541PWR is particularly useful in scenarios where output ringing is a concern, thanks to its low drive and slow edge rates that minimize overshoot and undershoot on the outputs.
Key Specifications
| Parameter | Unit | Min | Max |
|---|---|---|---|
| Operating Voltage (VCC) | V | 2 | 5.5 |
| Operating Temperature (TA) | °C | -40 | 125 |
| Input Voltage (VI) | V | 0 | 5.5 |
| Output Voltage (VO) | V | 0 | VCC |
| High-Level Output Current (IOH) | mA | -8 (at VCC = 5 V) | -4 (at VCC = 3.3 V) |
| Low-Level Output Current (IOL) | mA | 8 (at VCC = 5 V) | 4 (at VCC = 3.3 V) |
| Input Transition Rise or Fall Rate | ns/V | 20 (at VCC = 5 V) | 100 (at VCC = 3.3 V) |
| Junction-to-Ambient Thermal Resistance (RθJA) | °C/W | 77.6 |
Key Features
- Operating range of 2 V to 5.5 V VCC, allowing for down voltage translations while accepting input voltages up to 5.5 V.
- Latch-up performance exceeds 250 mA per JESD 17.
- 3-state control gate with active-low inputs, enabling high-impedance state during power up or power down.
- Low drive and slow edge rates to minimize output ringing and overshoot.
- Inputs and outputs on opposite sides of the package for easy PCB layout.
- Compliance with MIL-PRF-38535 for certain parameters.
Applications
- Servers
- PCs and Notebooks
- Network Switches
- Wearable Health and Fitness Devices
- Telecom Infrastructures
- Electronic Points-of-Sale
Q & A
- What is the operating voltage range of the SN74AHC541PWR? The operating voltage range is from 2 V to 5.5 V.
- What is the operating temperature range of the SN74AHC541PWR? The operating temperature range is from -40°C to 125°C.
- What type of outputs does the SN74AHC541PWR have? The SN74AHC541PWR has 3-state outputs.
- How many bits per element does the SN74AHC541PWR have? It has 8 bits per element.
- What is the package type of the SN74AHC541PWR? It is available in a 20-pin TSSOP (PW) package.
- What are the typical applications of the SN74AHC541PWR? Typical applications include driving bus lines, buffering memory address registers, and use in servers, PCs, network switches, and telecom infrastructures.
- How does the SN74AHC541PWR minimize output ringing? It minimizes output ringing through its low drive and slow edge rates.
- What is the maximum high-level output current of the SN74AHC541PWR? The maximum high-level output current is -8 mA at VCC = 5 V.
- What is the junction-to-ambient thermal resistance of the SN74AHC541PWR in a TSSOP package? The junction-to-ambient thermal resistance is 77.6 °C/W.
- Is the SN74AHC541PWR compliant with any military standards? Yes, it is compliant with MIL-PRF-38535 for certain parameters.
