Overview
The SN74HCT08DR is a versatile integrated circuit (IC) manufactured by Texas Instruments, belonging to the logic gates and inverters category. This device features four independent 2-input AND gates, making it a compact and efficient solution for various digital logic applications. It is part of the 74HCT series, known for its compatibility with 5V CMOS and TTL logic levels. The SN74HCT08DR is designed with RoHS compliance, ensuring it is lead-free and environmentally friendly. It is packaged in a 14-SOIC (Small Outline Integrated Circuit) package, suitable for surface mount technology (SMT) assembly on printed circuit boards (PCBs).
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Category | Integrated Circuits (ICs) - Logic - Gates and Inverters |
| Package | 14-SOIC (0.154", 3.90mm Width) |
| Logic Type | AND Gate |
| Number of Circuits | 4 |
| Number of Inputs | 2 |
| Voltage - Supply | 4.5 V ~ 5.5 V |
| Current - Quiescent (Max) | 2µA |
| Current - Output High, Low | 4mA, 4mA |
| Logic Level - Low | 0.8V |
| Logic Level - High | 2V |
| Max Propagation Delay @ V, Max CL | 22ns @ 5.5V, 50pF |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Key Features
- Compact Design: The SN74HCT08DR integrates four independent AND gates in a single chip, making it ideal for space-constrained applications.
- Low Power Consumption: The device features a maximum quiescent current of 2µA and low output currents of 4mA, ensuring power conservation.
- High-Speed Operation: With a maximum propagation delay of 22ns at 5.5V and a load capacitance of 50pF, this IC ensures swift response in critical applications.
- Environmental Compliance: The SN74HCT08DR is RoHS compliant and lead-free, adhering to environmental standards regarding hazardous substances.
- Wide Operating Temperature Range: The device operates reliably in temperatures ranging from -40°C to 85°C, making it suitable for various operating environments.
- Compatibility with 5V Systems: The IC is compatible with 5V CMOS and TTL logic levels, ensuring easy integration with a wide range of digital systems.
Applications
The SN74HCT08DR is ideal for implementing logic functions across various electronics, including:
- Computers
- Consumer electronics
- Automation systems
- Arithmetic and control circuits where fast and efficient signal processing is required.
Q & A
- What is the primary function of the SN74HCT08DR?
The SN74HCT08DR contains four independent 2-input AND gates, performing the Boolean function Y = A • B in positive logic.
- What is the operating voltage range of the SN74HCT08DR?
The operating voltage range is 4.5V to 5.5V.
- What is the maximum propagation delay of the SN74HCT08DR?
The maximum propagation delay is 22ns at 5.5V with a 50pF load capacitance.
- Is the SN74HCT08DR RoHS compliant?
Yes, the SN74HCT08DR is RoHS compliant and lead-free.
- What is the operating temperature range of the SN74HCT08DR?
The operating temperature range is -40°C to 85°C.
- What type of package does the SN74HCT08DR come in?
The SN74HCT08DR comes in a 14-SOIC (Small Outline Integrated Circuit) package.
- Is the SN74HCT08DR suitable for surface mount technology (SMT) assembly?
Yes, it is suitable for SMT assembly on printed circuit boards (PCBs).
- What are some equivalent or alternative models to the SN74HCT08DR?
Equivalent models include the SN74LS08D, SN74AHC08D, and SN74LVC08D from Texas Instruments.
- What are the key advantages of using the SN74HCT08DR?
The key advantages include its compact design, low power consumption, and high-speed operation.
- Can the SN74HCT08DR drive multiple LSTTL loads?
Yes, the outputs can drive up to 10 LSTTL loads.
