Overview
The SN74HC541PWR is an octal buffer and line driver produced by Texas Instruments. This device is part of the 74HC series and is known for its wide operating voltage range and high-current 3-state outputs. It features a data flow-through pinout, where all inputs are on one side of the package and all outputs are on the opposite side, facilitating easier printed circuit board layout. The device is controlled by two output-enable inputs (OE1 and OE2), which, when either is high, place all eight outputs in a high-impedance state.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 2 V to 6 V | V |
| Operating Temperature Range | -40°C to 85°C | °C |
| Package Type | TSSOP (20 pins) | |
| Maximum Input Current | 1 µA | µA |
| Maximum Quiescent Current (ICC) | 80 µA | µA |
| Output Drive Current at 5 V | ±6 mA | mA |
| Propagation Delay Time (tpd) | Typically 10 ns | ns |
| Number of Channels | 8 | |
| Number of Inputs/Outputs | 8/8 |
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 80 µA
- 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
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 SN74HC541PWR?
The operating voltage range is 2 V to 6 V. - What is the typical propagation delay time of the SN74HC541PWR?
The typical propagation delay time is 10 ns. - How many channels does the SN74HC541PWR have?
The device has 8 channels. - What is the maximum output drive current at 5 V?
The maximum output drive current at 5 V is ±6 mA. - What is the package type of the SN74HC541PWR?
The package type is TSSOP with 20 pins. - What is the operating temperature range of the SN74HC541PWR?
The operating temperature range is -40°C to 85°C. - How do the output-enable inputs (OE1 and OE2) control the outputs?
If either OE1 or OE2 is high, all eight outputs are in the high-impedance state. - What is the maximum quiescent current (ICC) of the SN74HC541PWR?
The maximum quiescent current is 80 µA. - What is the benefit of the data flow-through pinout?
The data flow-through pinout facilitates easier printed circuit board layout by placing inputs and outputs on opposite sides of the package. - Is the SN74HC541PWR RoHS compliant?
Yes, the SN74HC541PWR is RoHS compliant.
