Overview
The SN74LVC541APWT is an octal buffer/driver produced by Texas Instruments, designed for high-speed and high-drive applications. This device operates within a voltage range of 1.65 V to 3.6 V, making it versatile for various digital systems. It features 3-state outputs, which can be set to high, low, or high-impedance states, controlled by two output enable pins (OE1 and OE2). The SN74LVC541APWT is particularly useful in bus-interface applications where data retention and high-speed operation are critical.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| VCC Supply Voltage Range | 1.65 | - | 3.6 | V |
| Input Voltage Range | -0.5 | - | 6.5 | V |
| Output Voltage Range | -0.5 | - | VCC + 0.5 | V |
| High-Level Output Current (IOH) at VCC = 3.3 V | -24 | - | - | mA |
| Low-Level Output Current (IOL) at VCC = 3.3 V | 24 | - | - | mA |
| Propagation Delay Time (tpd) at VCC = 3.3 V | 5.1 | - | - | ns |
| Operating Free-Air Temperature Range | -40 | - | 125 | °C |
Key Features
- Operates from 1.65 V to 3.6 V, with inputs accepting voltages up to 5.5 V.
- 3-state outputs with high, low, or high-impedance states controlled by two output enable pins.
- High-drive capability, producing up to 24 mA of drive current at 3.3 V.
- Fast propagation delay times, with a typical tpd of 5.1 ns at 3.3 V.
- Support for mixed-mode signal operation and live insertion, partial-power-down operation, and back-drive protection.
- ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
- Latch-up performance exceeds 250 mA per JESD 17.
Applications
- Servers and data centers for high-speed bus interfaces.
- PCs and notebooks for peripheral interfaces.
- Network switches and routers for high-speed data transmission.
- Wearable health and wellness devices requiring low power and high speed.
- Telecom infrastructures for reliable and fast data communication.
- Electronic points of sale (POS) systems for secure and efficient transactions.
Q & A
- What is the operating voltage range of the SN74LVC541APWT?
The SN74LVC541APWT operates within a voltage range of 1.65 V to 3.6 V.
- What is the maximum output current per pin?
The maximum output current per pin is 24 mA at VCC = 3.3 V.
- What is the propagation delay time at 3.3 V?
The typical propagation delay time (tpd) at VCC = 3.3 V is 5.1 ns.
- Does the SN74LVC541APWT support mixed-mode signal operation?
- What is the ESD protection level of the SN74LVC541APWT?
The ESD protection exceeds JESD 22 standards (2000-V Human-Body Model, 200-V Machine Model, 1000-V Charged-Device Model).
- What are the typical applications of the SN74LVC541APWT?
Typical applications include servers, PCs, network switches, wearable health devices, telecom infrastructures, and electronic points of sale.
- How many output enable pins does the SN74LVC541APWT have?
The device has two output enable pins (OE1 and OE2).
- What is the maximum operating free-air temperature range?
The operating free-air temperature range is from -40°C to 125°C.
- Does the SN74LVC541APWT support live insertion and partial-power-down operation?
- What is the latch-up performance of the SN74LVC541APWT?
The latch-up performance exceeds 250 mA per JESD 17.
