Overview
The SN74HCT08D is a quad 2-input AND gate integrated circuit manufactured by Texas Instruments. This component is part of the 74HCT series, which is known for its compatibility with TTL (Transistor-Transistor Logic) levels. The SN74HCT08D is designed to operate within a supply voltage range of 4.5V to 5.5V, making it suitable for a variety of digital logic applications. The device features four independent AND gates, each with two inputs, and is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package.
Key Specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Part Number | SN74HCT08D |
| 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
- TTL Compatible Inputs: The SN74HCT08D has inputs that are compatible with TTL logic levels, making it easy to integrate into existing TTL-based systems.
- Low Power Dissipation: The device operates with low power dissipation, which is beneficial for power-sensitive applications.
- High Noise Immunity: It offers high noise immunity, ensuring reliable operation in noisy environments.
- ESD Protection: The component includes ESD protection, with HBM (Human Body Model) exceeding 2000 V and CDM (Charged Device Model) exceeding 1000 V.
- Wide Operating Temperature Range: The device can operate over a temperature range of -40°C to 85°C, making it suitable for various environmental conditions.
- Clamp Diodes: Inputs include clamp diodes, allowing the use of current limiting resistors to interface inputs to voltages in excess of VCC.
Applications
- Digital Logic Circuits: The SN74HCT08D is ideal for use in digital logic circuits where AND gate functionality is required.
- Embedded Systems: It can be used in embedded systems that require low power consumption and high reliability.
- Industrial Control Systems: The device's ability to operate over a wide temperature range and its high noise immunity make it suitable for industrial control systems.
- Consumer Electronics: It can be integrated into various consumer electronics products that require digital logic functions.
Q & A
- What is the supply voltage range for the SN74HCT08D?
The supply voltage range for the SN74HCT08D is 4.5V to 5.5V.
- How many AND gates are included in the SN74HCT08D?
The SN74HCT08D includes four independent 2-input AND gates.
- What is the maximum propagation delay for the SN74HCT08D?
The maximum propagation delay is 22ns at 5.5V with a load capacitance of 50pF.
- What is the operating temperature range for the SN74HCT08D?
The operating temperature range is -40°C to 85°C.
- Does the SN74HCT08D have ESD protection?
Yes, the SN74HCT08D includes ESD protection with HBM exceeding 2000 V and CDM exceeding 1000 V.
- What package type is the SN74HCT08D available in?
The SN74HCT08D is available in a 14-pin SOIC package.
- Is the SN74HCT08D compatible with TTL logic levels?
Yes, the SN74HCT08D has inputs that are compatible with TTL logic levels.
- What is the quiescent current of the SN74HCT08D?
The quiescent current is 2µA.
- Can the SN74HCT08D be used in high noise environments?
Yes, the device offers high noise immunity, making it suitable for noisy environments.
- What is the output drive capability of the SN74HCT08D?
The output drive capability is ±4mA.
- Does the SN74HCT08D include clamp diodes on its inputs?
Yes, the inputs include clamp diodes, enabling the use of current limiting resistors to interface inputs to voltages in excess of VCC.
