Overview
The SN74HC541NSR is an octal buffer and line driver produced by Texas Instruments. This device is part of the SNx4HC541 family and is known for its wide operating voltage range and high-current 3-state outputs. It is designed to facilitate easy integration into various electronic systems, particularly those requiring robust signal buffering and driving capabilities.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | -0.5 | 7 | V | |
| Operating Free-Air Temperature (SN74HC541) | -40 | 85 | °C | |
| Input Clamp Current | ±20 | mA | ||
| Output Clamp Current | ±20 | mA | ||
| Continuous Output Current | ±35 | mA | ||
| Propagation Delay Time (tpd) at VCC = 4.5 V, CL = 50 pF | 29 | 34 | ns | |
| Output Drive at VCC = 5 V | ±6 | mA | ||
| Input Current | 1 | µA | ||
| Power Consumption (ICC) at VCC = 6 V | 8 | µA |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs capable of driving bus lines directly or up to 15 LSTTL loads
- Low power consumption with a maximum ICC of 8 µA at VCC = 6 V
- Typical propagation delay time of 10 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA maximum
- Data flow-through pinout with inputs and outputs on opposite sides of the package, facilitating easy PCB layout
Applications
- LED drivers
- Servers and data centers
- PCs and notebooks
- Wearable health and wellness devices
- Electronic points of sale (POS) systems
Q & A
- What is the operating voltage range of the SN74HC541NSR? The operating voltage range is from 2 V to 6 V.
- What is the maximum output current of the SN74HC541NSR? The maximum continuous output current is ±35 mA.
- How many inputs and outputs does the SN74HC541NSR have? It has 8 inputs and 8 outputs.
- What is the typical propagation delay time of the SN74HC541NSR? The typical propagation delay time is around 10 ns.
- What is the purpose of the output enable (OE) pins? The OE pins control the 3-state outputs, placing them in a high-impedance state if either OE pin is high.
- What types of loads can the SN74HC541NSR drive? It can drive bus lines directly or up to 15 LSTTL loads.
- What is the power consumption of the SN74HC541NSR? The maximum power consumption (ICC) is 8 µA at VCC = 6 V.
- What is the input current of the SN74HC541NSR? The maximum input current is 1 µA.
- How does the pinout of the SN74HC541NSR facilitate PCB layout? The data flow-through pinout with inputs and outputs on opposite sides of the package simplifies PCB layout.
- What are some common applications of the SN74HC541NSR? Common applications include LED drivers, servers, PCs, wearable health devices, and electronic POS systems.
