Overview
The SN74HCT02DBLE, produced by Texas Instruments, is a quadruple 2-input positive-NOR gate integrated circuit. This device is part of the 74HCT series, which is compatible with TTL (Transistor-Transistor Logic) voltage levels. It contains four independent NOR gates, each performing the Boolean function Y = A + B or Y = A • B in positive logic. This makes it a versatile component for various digital logic applications.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage Range | 4.5 to 5.5 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Propagation Delay (tpd) | 10 to 20 | ns |
| Output Drive Current | ±4 | mA |
| Input Current (max) | 1 | µA |
| Quiescent Current (ICC) (max) | 20 | µA |
| High-Level Input Voltage | 2 | V |
| Low-Level Input Voltage | 0.8 | V |
| Package Type | SOIC-14 | |
| Body Size (nom) | 8.65 mm × 3.90 mm |
Key Features
- Operating voltage range of 4.5V to 5.5V, compatible with TTL voltage levels.
- Outputs can drive up to 10 LSTTL (Low-power Schottky Transistor-Transistor Logic) loads.
- Low power consumption with a maximum quiescent current (ICC) of 20 µA.
- Typical propagation delay of 10 ns.
- ±4 mA output drive at 5 V.
- Low input current of 1 µA maximum.
- Inputs are TTL-voltage compatible.
Applications
- Education and training equipment.
- Toys and consumer electronics.
- Musical instruments.
- Medical healthcare and fitness devices.
- Grid infrastructure and power management systems.
- Electronic point of sale (POS) systems.
- Test and measurement equipment.
- Factory automation and control systems.
- Building automation systems.
- RS Latch and falling edge detector circuits.
Q & A
- What is the function of the SN74HCT02DBLE?
The SN74HCT02DBLE contains four independent 2-input NOR gates, performing the Boolean function Y = A + B or Y = A • B in positive logic.
- What is the operating voltage range of the SN74HCT02DBLE?
The operating voltage range is 4.5V to 5.5V.
- What is the typical propagation delay of the SN74HCT02DBLE?
The typical propagation delay is 10 ns.
- How much current can the outputs drive?
The outputs can drive up to ±4 mA at 5 V.
- What is the maximum quiescent current (ICC) of the SN74HCT02DBLE?
The maximum quiescent current is 20 µA.
- What is the input current maximum for the SN74HCT02DBLE?
The maximum input current is 1 µA.
- What are the high and low-level input voltage thresholds?
The high-level input voltage threshold is 2 V, and the low-level input voltage threshold is 0.8 V.
- What type of package does the SN74HCT02DBLE come in?
The SN74HCT02DBLE comes in a 14-pin SOIC (Small Outline Integrated Circuit) package.
- What are some common applications of the SN74HCT02DBLE?
Common applications include education, toys, musical instruments, medical devices, grid infrastructure, electronic POS systems, test and measurement equipment, factory automation, building automation, and RS Latch circuits.
- Is the SN74HCT02DBLE RoHS compliant?
