Overview
The SN74LVC541APWR is an octal buffer/driver produced by Texas Instruments. This device is designed to operate within a voltage range of 1.65 V to 3.6 V, making it versatile for various applications. It is particularly suited for driving bus lines or buffering memory address registers. The SN74LVC541APWR features inputs and outputs on opposite sides of the package, which facilitates easier printed circuit board layout. The device supports mixed-mode signal operation, allowing it to function in both 3.3-V and 5-V system environments, making it an ideal choice for mixed-voltage systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Operating Voltage Range | 1.65 V to 3.6 V | V |
| Input Voltage Range | 0 to 5.5 V | V |
| Maximum Propagation Delay (tpd) | 5.1 ns at 3.3 V | ns |
| Output Ground Bounce (VOLP) | < 0.8 V at VCC = 3.3 V, TA = 25°C | V |
| Output VOH Undershoot (VOHV) | > 2 V at VCC = 3.3 V, TA = 25°C | V |
| Operating Temperature Range | -40°C to 125°C | °C |
| Package Type | TSSOP (20 pins) | |
| ESD Protection | 2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model | V |
Key Features
- Operates from 1.65 V to 3.6 V, with inputs accepting voltages up to 5.5 V.
- Maximum propagation delay of 5.1 ns at 3.3 V.
- Typical output ground bounce (VOLP) less than 0.8 V and output VOH undershoot (VOHV) greater than 2 V at VCC = 3.3 V, TA = 25°C.
- Supports mixed-mode signal operation on all ports (5-V input/output voltage with 3.3-V VCC).
- Ioff supports partial-power-down mode operation and live insertion.
- Latch-up performance exceeds 250 mA per JESD 17.
- ESD protection exceeds JESD 22 standards.
- Inputs and outputs on opposite sides of the package for easy PCB layout.
Applications
- Driving bus lines in digital systems.
- Buffering memory address registers.
- Mixed 3.3-V/5-V system environments where voltage translation is necessary.
- Partial-power-down applications where Ioff circuitry is beneficial.
- Systems requiring high-speed data transfer with low propagation delay.
Q & A
- What is the operating voltage range of the SN74LVC541APWR?
The SN74LVC541APWR operates from 1.65 V to 3.6 V.
- What is the maximum propagation delay of the SN74LVC541APWR at 3.3 V?
The maximum propagation delay is 5.1 ns at 3.3 V.
- Can the SN74LVC541APWR handle mixed-mode signal operation?
Yes, it supports mixed-mode signal operation on all ports (5-V input/output voltage with 3.3-V VCC).
- What is the ESD protection level of the SN74LVC541APWR?
The device has ESD protection exceeding 2000-V Human-Body Model, 200-V Machine Model, and 1000-V Charged-Device Model.
- How does the Ioff feature benefit the SN74LVC541APWR?
The Ioff feature supports partial-power-down mode operation, preventing damaging current backflow through the device when it is powered down.
- What is the operating temperature range of the SN74LVC541APWR?
The operating temperature range is -40°C to 125°C.
- What package type is the SN74LVC541APWR available in?
The device is available in a 20-pin TSSOP package.
- Can the SN74LVC541APWR be used in mixed 3.3-V/5-V systems?
Yes, it can be used in mixed 3.3-V/5-V system environments for voltage translation.
- What is the typical output ground bounce (VOLP) of the SN74LVC541APWR?
The typical output ground bounce (VOLP) is less than 0.8 V at VCC = 3.3 V, TA = 25°C.
- How does the latch-up performance of the SN74LVC541APWR compare to industry standards?
The latch-up performance exceeds 250 mA per JESD 17.
