Overview
The 74HCT541DB,112, produced by Nexperia USA Inc., is an octal non-inverting buffer/line driver with 3-state outputs. This device is part of the 74HCT family, which is compatible with TTL (Transistor-Transistor Logic) levels. It features two output enables (OE1 and OE2), allowing the outputs to assume a high-impedance OFF-state when either enable is set to HIGH. The inputs include clamp diodes, enabling the use of current limiting resistors to interface inputs to voltages in excess of VCC. This component is widely used in various electronic systems requiring high-speed data transmission and buffering capabilities.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Type Number | 74HCT541DB | - |
| Package | SSOP20 (SOT339-1) | - |
| Supply Voltage (VCC) | 4.5 - 5.5 | V |
| Logic Switching Levels | TTL | - |
| Output Drive Capability | ± 6 | mA |
| Maximum Frequency (f max) | 36 | MHz |
| Number of Bits | 8 | - |
| Temperature Range | -40 to +125 | °C |
| Propagation Delay (tpd) | 15 - 42 | ns |
| Enable Time (ten) | 21 - 53 | ns |
| Disable Time (tdis) | 21 - 53 | ns |
| Transition Time (tt) | 5 - 18 | ns |
Key Features
- Non-Inverting Outputs: The device provides non-inverting buffer outputs, maintaining the logic level of the input signals.
- 3-State Outputs: The outputs can be set to a high-impedance OFF-state using the output enables (OE1 and OE2).
- TTL Compatibility: The 74HCT541DB is compatible with TTL input levels, making it suitable for systems using TTL logic.
- Low Power Consumption: The device operates with low power dissipation, which is beneficial for energy-efficient designs.
- High Noise Immunity: It features high noise immunity due to its CMOS technology, ensuring reliable operation in noisy environments.
- ESD Protection: The device includes ESD protection, exceeding 2000 V for HBM (Human Body Model) and 200 V for MM (Machine Model).
- Multiple Package Options: Available in various packages such as SSOP20, SO20, and TSSOP20, offering flexibility in design.
- JEDec Standard Compliance: Complies with JEDec standards JESD8C and JESD7A, ensuring compatibility with a wide range of systems.
Applications
The 74HCT541DB is versatile and can be used in a variety of applications, including:
- Telecommunication Systems: For buffering and driving signals in telecommunication equipment.
- Computing Systems: In computer peripherals and interfaces where high-speed data transmission is required.
- Industrial Controls: For reliable signal buffering and driving in industrial control systems.
- Automotive Electronics: In automotive systems that require robust and reliable signal handling.
Q & A
- What is the primary function of the 74HCT541DB?
The primary function of the 74HCT541DB is to act as an octal non-inverting buffer/line driver with 3-state outputs.
- What are the input and output logic levels for the 74HCT541DB?
The inputs are compatible with TTL levels, and the outputs are also TTL-compatible.
- What is the supply voltage range for the 74HCT541DB?
The supply voltage range is from 4.5 V to 5.5 V.
- What is the maximum frequency of operation for the 74HCT541DB?
The maximum frequency of operation is 36 MHz.
- What are the package options available for the 74HCT541DB?
The device is available in SSOP20 (SOT339-1) among other packages.
- Does the 74HCT541DB have ESD protection?
Yes, it includes ESD protection exceeding 2000 V for HBM and 200 V for MM.
- What is the temperature range for the 74HCT541DB?
The device operates from -40°C to +125°C.
- How many bits does the 74HCT541DB handle?
The device handles 8 bits.
- What is the purpose of the output enables (OE1 and OE2)?
The output enables allow the outputs to assume a high-impedance OFF-state when set to HIGH.
- Is the 74HCT541DB compliant with any industry standards?
Yes, it complies with JEDec standards JESD8C and JESD7A.
