Overview
The SN74HC541NS is an octal buffer and line driver produced by Texas Instruments. This device is part of the HC541 series, 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 easy printed circuit board layout. The device is suitable for various applications requiring reliable and efficient signal buffering and driving.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage | -0.5 | 7 | V | |
| Input Clamp Current (IIK) | ±20 | mA | ||
| Output Clamp Current (IOK) | ±20 | mA | ||
| Continuous Output Current (IO) | ±35 | mA | ||
| Storage Temperature (Tstg) | -65 | 150 | °C | |
| Low Input Current (II) | ±1 | µA | ||
| Propagation Delay Time (tpd) at VCC=5V | 8 | 10 | 12 | ns |
| Output Drive at VCC=5V | ±6 | mA | ||
| Power Consumption (ICC) at VCC=6V | 160 | µA |
Key Features
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs drive bus lines directly or up to 15 LSTTL loads
- Low power consumption, 80-µA maximum ICC
- Typical propagation delay time (tpd) of 10 ns
- ±6-mA output drive at 5 V
- Low input current of 1 µA maximum
- Data flow-through pinout (all inputs on opposite side from outputs)
Applications
- LEDs
- Servers
- PCs and Notebooks
- Wearable Health and Wellness Devices
- Electronic Points of Sale
Q & A
- What is the operating voltage range of the SN74HC541NS? The operating voltage range is from 2 V to 6 V.
- How many inputs and outputs does the SN74HC541NS have? It has 8 inputs and 8 outputs.
- What is the typical propagation delay time (tpd) of the SN74HC541NS? The typical propagation delay time is 10 ns.
- How are the 3-state outputs controlled in the SN74HC541NS? The 3-state outputs are controlled by a two-input NOR gate. If either output-enable (OE1 or OE2) input is high, all eight outputs are in the high-impedance state.
- What is the maximum continuous output current of the SN74HC541NS? The maximum continuous output current is ±35 mA.
- What is the storage temperature range for the SN74HC541NS? The storage temperature range is from -65°C to 150°C.
- What is the power consumption of the SN74HC541NS at VCC=6V? The power consumption is a maximum of 160 µA.
- What is the output drive capability of the SN74HC541NS at VCC=5V? The output drive capability is ±6 mA at VCC=5V.
- What is the input current of the SN74HC541NS? The input current is a maximum of 1 µA.
- How does the pinout of the SN74HC541NS facilitate PCB layout? The pinout has all inputs on one side and all outputs on the opposite side, which greatly facilitates printed circuit board layout.
