Overview
The SN74ALS541NSRE4 is an octal buffer and line driver produced by Texas Instruments. This component is part of the 74ALS series, known for its high-speed and low-power consumption characteristics. It is designed to provide true data at the outputs and features a 3-state output control, which allows the outputs to be set to a high-impedance state. The device is packaged in a 20-pin Small Outline Package (SOP) and is suitable for a wide range of digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | 4.5 to 5.5 | V |
| Operating Temperature Range | 0 to 70 | °C |
| High-Level Input Voltage (VIH) | 2 | V |
| Low-Level Input Voltage (VIL) | 0.7 to 0.8 | V |
| High-Level Output Current (IOH) | -12 to -15 | mA |
| Low-Level Output Current (IOL) | 12 to 24 (48 for -1 version) | mA |
| Package Type | SOP (NS) | |
| Number of Pins | 20 | |
| RoHS Compliance | Yes |
Key Features
- 3-State Outputs: Drive bus lines or buffer memory address registers.
- P-N-P Inputs: Reduce DC loading.
- Hysteresis at Inputs: Improves noise margins.
- Data Flow-thru Pinout: All inputs on the opposite side from outputs, enhancing printed circuit board layout.
- True Data Output: The SN74ALS541 provides true data at the outputs, unlike the SN74ALS540 which provides inverted data.
Applications
The SN74ALS541NSRE4 is suitable for various digital logic applications, including:
- Buffering and driving bus lines in digital systems.
- Buffering memory address registers.
- High-speed digital logic circuits where low power consumption is critical.
- Industrial control systems and automation.
- Communication and networking equipment.
Q & A
- What is the operating temperature range of the SN74ALS541NSRE4?
The operating temperature range is from 0°C to 70°C.
- What is the supply voltage range for the SN74ALS541NSRE4?
The supply voltage range is from 4.5 V to 5.5 V.
- What type of package does the SN74ALS541NSRE4 come in?
The component is packaged in a 20-pin Small Outline Package (SOP).
- Does the SN74ALS541NSRE4 provide true or inverted data at the outputs?
The SN74ALS541NSRE4 provides true data at the outputs.
- What is the purpose of the 3-state output control in the SN74ALS541NSRE4?
The 3-state output control allows the outputs to be set to a high-impedance state, which is useful for driving bus lines or buffering memory address registers.
- How does the P-N-P input structure benefit the SN74ALS541NSRE4?
The P-N-P input structure reduces DC loading, which helps in minimizing power consumption and improving overall circuit efficiency.
- What is the significance of hysteresis at the inputs of the SN74ALS541NSRE4?
Hysteresis at the inputs improves noise margins, making the device more robust against noise and signal degradation.
- How does the data flow-thru pinout enhance PCB layout?
The data flow-thru pinout, where all inputs are on one side and all outputs are on the opposite side, greatly enhances printed circuit board layout by simplifying wiring and reducing potential errors.
- Is the SN74ALS541NSRE4 RoHS compliant?
- What are some common applications of the SN74ALS541NSRE4?
