Overview
The 74HCT245D is an octal bus transceiver with 3-state outputs, manufactured by Nexperia (formerly part of NXP Semiconductors). This integrated circuit is designed for use in a variety of digital systems where data needs to be transmitted between two buses. It is part of the 74HCT series, which is compatible with TTL (Transistor-Transistor Logic) levels, making it versatile for different application environments.
Key Specifications
| Specification | Value |
|---|---|
| Manufacturer | Nexperia |
| Package / Case | 20-SOIC (Small Outline Integrated Circuit) |
| Voltage - Supply | 4.5V ~ 5.5V |
| Operating Temperature | -40°C ~ 125°C |
| Mounting Type | Surface Mount |
| Number of Bits | 8 |
| Logic Type | Non-Inverting Transceiver |
| Current - Output High, Low | 4mA, 4mA |
| RoHS Status | ROHS3 Compliant |
Key Features
Compatibility with TTL Logic Levels: The 74HCT245D is designed to interface directly with TTL logic levels, making it suitable for a wide range of digital systems.
3-State Outputs: Each output can be set to a high, low, or high-impedance state, allowing for bus management and data transmission control.
High Speed: The device has a relatively low propagation delay, ensuring fast data transfer.
Low Power Consumption: The quiescent current is minimal, making it energy-efficient.
Wide Operating Temperature Range: The device operates reliably over a temperature range of -40°C to 125°C, making it suitable for various environmental conditions.
Applications
Data Transmission Systems: Used in systems where data needs to be transmitted between two buses.
Digital Signal Processing: Suitable for applications requiring high-speed data transfer and bus management.
Embedded Systems: Often used in embedded systems where TTL compatibility and low power consumption are crucial.
Industrial Automation: Used in industrial automation systems for reliable and efficient data transmission.
Q & A
- What is the primary function of the 74HCT245D?
The primary function of the 74HCT245D is to act as an octal bus transceiver with 3-state outputs, facilitating data transmission between two buses.
- What is the voltage supply range for the 74HCT245D?
The voltage supply range for the 74HCT245D is 4.5V to 5.5V.
- What type of logic levels is the 74HCT245D compatible with?
The 74HCT245D is compatible with TTL (Transistor-Transistor Logic) levels.
- What is the operating temperature range of the 74HCT245D?
The operating temperature range of the 74HCT245D is -40°C to 125°C.
- What is the package type of the 74HCT245D?
The package type of the 74HCT245D is 20-SOIC (Small Outline Integrated Circuit).
- What are the current output capabilities of the 74HCT245D?
The 74HCT245D can output up to 4mA in both high and low states.
- Is the 74HCT245D RoHS compliant?
Yes, the 74HCT245D is ROHS3 compliant.
- What are some common applications of the 74HCT245D?
Common applications include data transmission systems, digital signal processing, embedded systems, and industrial automation.
- How many bits does the 74HCT245D handle?
The 74HCT245D handles 8 bits.
- What is the mounting type of the 74HCT245D?
The mounting type of the 74HCT245D is surface mount.
