Overview
The SN74HCT541NS is an octal buffer and line driver integrated circuit produced by Texas Instruments. This device is designed to offer high-performance buffering and line driving capabilities, making it suitable for a variety of digital logic applications. The SN74HCT541NS features a pinout with inputs and outputs on opposite sides of the package, which greatly facilitates printed circuit board layout. This arrangement is particularly beneficial for reducing complexity in PCB design and improving signal integrity.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 4.5 | 5 | 5.5 | V |
| High-Level Input Voltage (VIH) | 2 | - | - | V |
| Low-Level Input Voltage (VIL) | 0.8 | - | - | V |
| Input Voltage (VI) | 0 | - | VCC | V |
| Output Voltage (VO) | 0 | - | VCC | V |
| Input Transition Rise and Fall Time (∆t/∆v) | 500 | - | - | ns |
| Operating Free-Air Temperature (TA) | -55 | - | 125 | °C |
| Typical Propagation Delay Time (tpd) | - | 12 | - | ns |
| Output Drive Current | - | ±6 | - | mA |
| Low Power Consumption (ICC) | - | - | 80 | µA |
| Input Current | - | - | 1 | µA |
Key Features
- Operating voltage range of 4.5 V to 5.5 V
- High-current 3-state outputs that can interface directly with system bus or drive up to 15 LSTTL loads
- Low power consumption, with a maximum ICC of 80 µA
- Typical propagation delay time of 12 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA maximum
- Inputs are TTL-voltage compatible
- Data flow-through pinout with all inputs on the opposite side from outputs, facilitating 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 SN74HCT541NS?
The operating voltage range is from 4.5 V to 5.5 V.
- What is the maximum number of LSTTL loads that the SN74HCT541NS can drive?
The device can drive up to 15 LSTTL loads.
- What is the typical propagation delay time of the SN74HCT541NS?
The typical propagation delay time is 12 ns.
- How much current does the SN74HCT541NS consume?
The maximum ICC (power consumption) is 80 µA.
- What is the output drive current of the SN74HCT541NS at 5 V?
The output drive current is ±6 mA at 5 V.
- Are the inputs of the SN74HCT541NS TTL-voltage compatible?
- What is the benefit of the data flow-through pinout in the SN74HCT541NS?
The data flow-through pinout, with inputs on one side and outputs on the other, greatly facilitates printed circuit board layout.
- What are some common applications of the SN74HCT541NS?
- What are the available package types for the SN74HCT541NS?
- How does the 3-state control gate function in the SN74HCT541NS?
