Overview
The SN74HCT08DBR, produced by Texas Instruments, is a quadruple 2-input positive-AND gate integrated circuit. This device is part of the 74HCT series, known for its compatibility with 5V CMOS and TTL logic levels. It features four independent AND gates, each performing the Boolean function Y = A • B in positive logic. The SN74HCT08DBR is designed for use in a variety of digital logic applications, including arithmetic and control circuits, where fast and efficient signal processing is essential.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage Range (VCC) | 4.5 | 5 | 5.5 | V |
| Input Clamp Current (IIK) | -20 | 20 | mA | |
| Output Clamp Current (IOK) | -20 | 20 | mA | |
| Continuous Output Current (IO) | -25 | 25 | mA | |
| Junction Temperature (TJ) | 150 | °C | ||
| Storage Temperature (Tstg) | -65 | 150 | °C | |
| Propagation Delay (tpd) at 5V | 13 | 22 | ns | |
| Transition Time (tt) at 5V | 8 | 14 | ns | |
| Output Drive at 5V | ±4 | mA | ||
| Input Current (II) at 5V | 1 | µA | ||
| Power Dissipation Capacitance per Gate (Cpd) | 20 | pF |
Key Features
- Operating voltage range of 4.5V to 5.5V, compatible with 5V CMOS and TTL logic levels.
- Four independent 2-input AND gates, each performing the Boolean function Y = A • B in positive logic.
- Low power consumption with a maximum quiescent current of 20µA.
- Fast propagation delay, with a typical value of 13ns at 5V.
- Outputs can drive up to 10 LSTTL loads.
- ±4mA output drive at 5V.
- Low input current of 1µA max.
- TTL-voltage compatible inputs.
- Available in various packages including SOIC, SSOP, PDIP, and TSSOP.
- RoHS compliant and lead-free, adhering to environmental standards.
- Operating temperature range of -40°C to 85°C.
Applications
The SN74HCT08DBR is ideal for various digital logic applications, including:
- Arithmetic and control circuits where fast and efficient signal processing is required.
- Computers and consumer electronics.
- Automation systems.
- Any system requiring multiple AND gate functions in a compact and efficient package.
Q & A
- What is the operating voltage range of the SN74HCT08DBR? The operating voltage range is 4.5V to 5.5V.
- How many AND gates are included in the SN74HCT08DBR? The device includes four independent 2-input AND gates.
- What is the typical propagation delay of the SN74HCT08DBR at 5V? The typical propagation delay is 13ns at 5V.
- What is the maximum output drive current at 5V? The maximum output drive current is ±4mA at 5V.
- Is the SN74HCT08DBR RoHS compliant? Yes, the device is RoHS compliant and lead-free.
- What are the compatible logic levels for the SN74HCT08DBR? The device is compatible with 5V CMOS and TTL logic levels.
- What is the operating temperature range of the SN74HCT08DBR? The operating temperature range is -40°C to 85°C.
- What are the available package types for the SN74HCT08DBR? The device is available in SOIC, SSOP, PDIP, and TSSOP packages.
- How many LSTTL loads can the outputs of the SN74HCT08DBR drive? The outputs can drive up to 10 LSTTL loads.
- What is the maximum quiescent current of the SN74HCT08DBR? The maximum quiescent current is 20µA.
