Overview
The SN74HC11DR is a triple 3-input AND gate integrated circuit produced by Texas Instruments. This device is part of the 74HC series, known for its high-speed CMOS logic. It contains three independent AND gates, each performing the Boolean function Y = A ∧ B ∧ C in positive logic. The SN74HC11DR is widely used in various digital logic applications due to its robust specifications and versatile packaging options.
Key Specifications
| Parameter | Min | Nom | Max | Unit |
|---|---|---|---|---|
| VCC (Supply Voltage) | 2 | 5 | 6 | V |
| VIH (High-level Input Voltage) | 1.5 (VCC=2V) | 3.15 (VCC=4.5V) | 4.2 (VCC=6V) | V |
| VIL (Low-level Input Voltage) | 0.5 (VCC=2V) | 1.35 (VCC=4.5V) | 1.8 (VCC=6V) | V |
| TA (Operating Temperature) | -40 | 85 | °C | |
| Propagation Delay (tpd) | 35 (VCC=2V) | 10 (VCC=4.5V) | 8 (VCC=6V) | ns |
| Transition Time (tt) | 25 (VCC=2V) | 7 (VCC=4.5V) | 5 (VCC=6V) | ns |
| Package Type | 14-SOIC | |||
| Body Size | 8.70 mm × 3.90 mm |
Key Features
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Voltage Range: 2 V to 6 V, making it versatile for various applications.
- Wide Operating Temperature Range: -40°C to +85°C, suitable for a broad range of environmental conditions.
- High Fanout Capability: Supports up to 10 LSTTL loads.
- Low Power Consumption: Significant power reduction compared to LSTTL logic ICs.
- High-Speed Operation: Fast transition times and propagation delays.
Applications
- Combining Power Good Signals: Used in power management systems to combine multiple power good signals.
- Enabling Digital Signals: Utilized in digital circuits to enable or disable signals based on multiple input conditions.
- General Logic Circuits: Suitable for any application requiring 3-input AND logic functions.
Q & A
- What is the SN74HC11DR used for?
The SN74HC11DR is used as a triple 3-input AND gate in digital logic circuits.
- What is the operating voltage range of the SN74HC11DR?
The operating voltage range is from 2 V to 6 V.
- What is the operating temperature range of the SN74HC11DR?
The operating temperature range is from -40°C to +85°C.
- What type of package does the SN74HC11DR come in?
The SN74HC11DR comes in a 14-SOIC package.
- How many AND gates are included in the SN74HC11DR?
The device contains three independent 3-input AND gates.
- What is the propagation delay of the SN74HC11DR at 6 V?
The propagation delay at 6 V is approximately 8 ns.
- Is the SN74HC11DR RoHS compliant?
- What is the typical power dissipation capacitance per gate?
The typical power dissipation capacitance per gate is 25 pF.
- How many LSTTL loads can the SN74HC11DR support?
The device supports up to 10 LSTTL loads.
- What are some common applications of the SN74HC11DR?
Common applications include combining power good signals, enabling digital signals, and general logic circuits.
