Overview
The SN74HC03PWR, produced by Texas Instruments, is a quad 2-input NAND gate with open-drain outputs. This device is part of the HC (High-Speed CMOS) logic family and is designed for a wide range of digital logic applications. It operates within a voltage range of 2 V to 6 V, making it versatile for various system designs.
Each gate in the SN74HC03PWR performs the Boolean function Y = A ● B in positive logic, providing four independent NAND gates in a single package. The open-drain output configuration allows for flexible use in applications such as up-translation and down-translation, and it enables wired-AND configurations by directly connecting outputs together.
Key Specifications
| Parameter | Min | 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 | ||
| ICC (Supply Current) | 2 | 20 | 40 | µA |
| tplh (Propagation Delay, Low-to-High) | 50 (2V), 10 (4.5V), 8 (6V) | 100 (2V), 20 (4.5V), 17 (6V) | 125 (2V), 25 (4.5V), 21 (6V) | ns |
| tphl (Propagation Delay, High-to-Low) | 60 (2V), 13 (4.5V), 10 (6V) | 105 (2V), 25 (4.5V), 23 (6V) | 131 (2V), 31 (4.5V), 27 (6V) | ns |
| IOH (Output High Current) | -0.01 | -0.5 | -5 | µA |
| VOL (Output Low Voltage) | ±1 | µA | ||
| TA (Operating Free-Air Temperature) | -40 | 85 | °C | |
| Package Type | TSSOP | |||
| Package Size | 5.00 mm × 4.40 mm |
Key Features
- Wide Operating Voltage Range: 2 V to 6 V, making it suitable for a variety of applications.
- Low Power Consumption: Maximum ICC of 20 µA, reducing power consumption in digital circuits.
- Fast Propagation Delays: Typical propagation delays of 8 ns to 27 ns depending on the voltage, ensuring high-speed operation.
- Open-Drain Outputs: Allows for wired-AND configurations and flexibility in output voltage determination using external pull-up resistors.
- Low Input Current: Input current of 1 µA, minimizing the load on the input signals.
- High Output Drive Capability: ±4-mA output drive at 5 V, enabling the device to drive larger loads.
Applications
- Digital Logic Circuits: Ideal for implementing NAND logic in digital circuits.
- Wired-AND Configurations: Suitable for applications where multiple open-drain outputs need to be connected to form a wired-AND logic.
- Level Translation: Can be used for up-translation and down-translation due to its open-drain output configuration.
- Embedded Systems: Useful in embedded systems requiring low power consumption and high-speed logic operations.
Q & A
- What is the operating voltage range of the SN74HC03PWR?
The operating voltage range is from 2 V to 6 V.
- How many NAND gates are included in the SN74HC03PWR?
The device contains four independent 2-input NAND gates.
- What is the typical propagation delay of the SN74HC03PWR at 5 V?
The typical propagation delay is around 8 ns to 17 ns depending on the transition.
- Can the outputs of the SN74HC03PWR be connected together?
- What is the maximum supply current (ICC) of the SN74HC03PWR?
The maximum supply current is 20 µA.
- What is the package type of the SN74HC03PWR?
The package type is TSSOP (Thin Shrink Small Outline Package).
- What are the dimensions of the SN74HC03PWR package?
The package dimensions are 5.00 mm × 4.40 mm.
- How should unused inputs be terminated on the SN74HC03PWR?
Unused inputs should be terminated to either VCC or ground using pull-up or pull-down resistors.
- What is the recommended input edge rate for the SN74HC03PWR?
The recommended input edge rate is defined in the Recommended Operating Conditions to avoid oscillations and damaging shoot-through current.
- Can the SN74HC03PWR drive larger currents without damage?
No, the device's output current should be limited to prevent thermal runaway and damage due to over-current.
