Overview
The 74HCT125D/S400118, manufactured by NXP USA Inc., is a quad buffer/line driver with 3-state outputs. This integrated circuit is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) voltage levels. The device is designed to provide high noise immunity and low power consumption, making it suitable for a variety of digital logic applications.
Key Specifications
| Parameter | Description | Value |
|---|---|---|
| Supply Voltage (VCC) | Range | 4.5V to 5.5V |
| Logic Switching Levels | TTL levels | |
| Output Drive Capability | Current | ± 6 mA |
| Maximum Frequency | 36 MHz | |
| Number of Bits | 4 | |
| Power Dissipation | Considerations | Low power |
| Operating Temperature | Range | -40°C to +125°C |
| Package Type | SO14 (SOT108-1) |
Key Features
- Wide Supply Voltage Range: Operates from 4.5V to 5.5V, making it versatile for various applications.
- TTL Compatibility: Inputs are TTL voltage level compatible, ensuring seamless integration with TTL-based systems.
- 3-State Outputs: Outputs can be set to a high impedance state, controlled by the output enable inputs (nOE).
- Low Power Consumption: CMOS technology ensures low power dissipation, reducing energy consumption.
- High Noise Immunity: The device features high noise immunity, enhancing its reliability in noisy environments.
- ESD Protection: Exceeds JESD standards for Human Body Model (HBM) and Charged Device Model (CDM) ESD protection.
Applications
- Digital Logic Circuits: Suitable for use in digital logic circuits where buffering and line driving are required.
- Interface Circuits: Can be used in interface circuits to match signal levels between different logic families.
- Embedded Systems: Often used in embedded systems to drive bus lines and ensure signal integrity.
- Industrial Control Systems: Used in industrial control systems for reliable signal transmission and buffering.
Q & A
- What is the supply voltage range of the 74HCT125D/S400118?
The supply voltage range is from 4.5V to 5.5V.
- What are the logic switching levels of this device?
The device uses TTL (Transistor-Transistor Logic) voltage levels).
- How many bits does the 74HCT125D/S400118 handle?
The device handles 4 bits).
- What is the maximum frequency of operation for this IC?
The maximum frequency is 36 MHz).
- What type of package does the 74HCT125D/S400118 come in?
The device comes in an SO14 (SOT108-1) package).
- What is the operating temperature range of the 74HCT125D/S400118?
The operating temperature range is from -40°C to +125°C).
- Does the 74HCT125D/S400118 have ESD protection?
Yes, it exceeds JESD standards for HBM and CDM ESD protection).
- How does the 3-state output feature work?
The outputs can be set to a high impedance state using the output enable inputs (nOE)).
- What are some common applications of the 74HCT125D/S400118?
Common applications include digital logic circuits, interface circuits, embedded systems, and industrial control systems.
- Is the 74HCT125D/S400118 RoHS compliant?
Yes, the device is RoHS compliant).
