Overview
The 74HCT541D,652, produced by Nexperia USA Inc., is an octal non-inverting buffer/line driver with 3-state outputs. This device is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) levels. The 74HCT541D is designed to provide high noise immunity and low power dissipation, making it suitable for a wide range of applications, including automotive, industrial, and consumer electronics.
Key Specifications
| Parameter | Value |
|---|---|
| Type Number | 74HCT541D |
| Supply Voltage (VCC) | 4.5 - 5.5 V |
| Logic Switching Levels | TTL |
| Output Drive Capability | ± 6 mA |
| Maximum Frequency (fmax) | 36 MHz |
| Number of Bits | 8 |
| Power Dissipation Considerations | Low |
| Operating Temperature Range (Tamb) | -40°C to 125°C |
| Package | SO20 (SOT163-1) |
| RoHS Status | ROHS3 Compliant |
Key Features
- Octal Non-Inverting Buffer/Line Driver: The device features eight non-inverting buffers with 3-state outputs, making it ideal for driving long lines or multiple loads.
- Dual Output Enables (OE1 and OE2): A HIGH on either OE1 or OE2 causes the outputs to assume a high-impedance OFF-state, allowing for flexible control over output states.
- Input Clamp Diodes: Inputs include clamp diodes that enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- High Noise Immunity: The device offers high noise immunity, ensuring reliable operation in noisy environments.
- Low Power Dissipation: CMOS technology ensures low power consumption, making it suitable for power-sensitive applications.
- Latch-Up Performance: Exceeds 100 mA per JESD 78 Class II Level B, providing robust protection against latch-up conditions.
Applications
- Automotive Systems: The 74HCT541D is AEC-Q100 qualified, making it suitable for use in automotive applications where reliability and robustness are critical.
- Industrial Control Systems: Its high noise immunity and low power dissipation make it ideal for industrial control systems and automation.
- Consumer Electronics: Used in various consumer electronic devices where reliable and efficient signal buffering is required.
- Computing and Networking: Can be used in computing and networking equipment for signal buffering and line driving.
Q & A
- What is the primary function of the 74HCT541D?
The primary function of the 74HCT541D is to act as an octal non-inverting buffer/line driver with 3-state outputs.
- What is the supply voltage range for the 74HCT541D?
The supply voltage range for the 74HCT541D is 4.5 to 5.5 volts.
- What type of logic switching levels does the 74HCT541D support?
The 74HCT541D supports TTL (Transistor-Transistor Logic) levels.
- What is the maximum frequency of operation for the 74HCT541D?
The maximum frequency of operation for the 74HCT541D is 36 MHz.
- What is the operating temperature range for the 74HCT541D?
The operating temperature range for the 74HCT541D is -40°C to 125°C.
- What package types are available for the 74HCT541D?
The 74HCT541D is available in SO20 (SOT163-1) and TSSOP20 (SOT360-1) packages.
- Is the 74HCT541D RoHS compliant?
Yes, the 74HCT541D is ROHS3 compliant.
- What are the key features of the output enables (OE1 and OE2) on the 74HCT541D?
A HIGH on either OE1 or OE2 causes the outputs to assume a high-impedance OFF-state, allowing for flexible control over output states.
- What is the significance of input clamp diodes in the 74HCT541D?
The input clamp diodes enable the use of current limiting resistors to interface inputs to voltages in excess of VCC.
- What are some common applications of the 74HCT541D?
The 74HCT541D is used in automotive systems, industrial control systems, consumer electronics, and computing and networking equipment.
