Texas Instruments SN74LVC541APWR Octal Buffer Driver, 20-Pin TSSOP

The Texas Instruments SN74LVC541APWR is a high-performance octal buffer and line driver designed for operation at voltages from 1.65V to 3.6V. Housed in a compact TSSOP-20 package, this integrated circuit features 3-state outputs, providing a high-impedance state for efficient bus management. Its design facilitates straightforward printed circuit board (PCB) layout, making it an excellent choice for complex electronic systems.

A key feature is the 3-state control gate, configured as a 2-input AND gate with active-low inputs. This ensures that if either output enable (OE1 or OE2) input is high, all eight outputs enter the high-impedance state. The device supports mixed-mode signal operation, allowing its inputs to be safely driven from either 3.3V or 5V devices. This capability makes it an ideal voltage level translator in mixed-voltage system environments, such as those found in modern industrial and communication equipment.

The device is fully specified for partial-power-down applications using its I_OFF circuitry. This feature disables the outputs when the device is powered down, preventing damaging current backflow. To maintain a high-impedance state during power-up or power-down sequences, the OE pin should be tied to V_CC via a pull-up resistor. The device also boasts robust latch-up performance, exceeding 250 mA per JESD 17 standards, and its inputs can accept voltages up to 5.5V, enhancing its durability and compatibility.

With a fast propagation delay of 5.1 ns at 3.3V, it ensures rapid signal transmission. It meets strict specifications for output ground bounce (V_OLP) and V_OH undershoot (V_OHV), guaranteeing signal integrity. Furthermore, it is a green product, manufactured without antimony or bromine (Sb/Br).

Key Specifications

• Logic Device Type: Non-Inverting Buffer/Driver
• Supply Voltage Range: 1.65V to 3.6V