Overview
The SN74HC00DBR, produced by Texas Instruments, is a quadruple 2-input NAND gate integrated circuit. This device is part of the 74HC series, known for its high-speed CMOS logic. It contains four independent NAND gates, each performing the Boolean function Y = A × B in positive logic. The SN74HC00DBR is available in a 14-pin SSOP (Shrink Small Outline Package) and is widely used in various electronic applications due to its robust features and versatility.
Key Specifications
| Parameter | Min | Max | Unit | |
|---|---|---|---|---|
| Operating Voltage Range (VCC) | 2 | - | 6 | V |
| Operating Temperature Range | -40 | - | 85 | °C |
| Propagation Delay (tpd) at VCC = 2 V | 45 | 90 | 135 | ns |
| Propagation Delay (tpd) at VCC = 4.5 V | 9 | 18 | 27 | ns |
| Propagation Delay (tpd) at VCC = 6 V | 8 | 15 | 23 | ns |
| Output High Current (IOH) at VCC = 5 V | - | - | 4 | mA |
| Input Transition Time (tt) at VCC = 2 V | 38 | 75 | 110 | ns |
| Input Transition Time (tt) at VCC = 4.5 V | 8 | 15 | 22 | ns |
| Input Transition Time (tt) at VCC = 6 V | 6 | 13 | 19 | ns |
| Junction-to-ambient thermal resistance (RθJA) | 108.3 | - | - | °C/W |
Key Features
- Buffered Inputs: The SN74HC00DBR has buffered inputs, which help in reducing the load on the input signals.
- Wide Operating Voltage Range: The device operates over a wide voltage range from 2 V to 6 V, making it versatile for various applications.
- Wide Operating Temperature Range: It can operate in temperatures ranging from -40°C to 85°C.
- High-Speed Operation: The device has low propagation delays, making it suitable for high-speed applications.
- Low Power Consumption: Compared to LSTTL logic ICs, the SN74HC00DBR offers significant power reduction.
- Multiple Package Options: Although the SN74HC00DBR is specifically in SSOP, the SN74HC00 series is available in various packages such as SOIC, PDIP, SOP, and TSSOP.
- Balanced CMOS Push-Pull Outputs: This feature ensures stable output levels and reduces the risk of output oscillations.
Applications
- AV Receivers and Home Theater Systems: Used in audio and video processing circuits.
- Portable Audio Docks and MP3 Players/Recorders: Utilized in digital audio circuits.
- Blu-ray Players and TVs (LCD, Digital, HDTV): Employed in video processing and display systems.
- Personal Digital Assistants (PDAs) and Tablets: Used in various digital logic circuits.
- Power Supplies (Telecom or Server AC/DC): Applied in power management and control circuits.
- Solid State Drives (SSDs): Used in data storage and retrieval systems.
- Video Analytics and Wireless Devices (Headsets, Keyboards, Mice): Utilized in various digital and communication systems.
- Basic Logic Circuits, Digital Circuits, Encoders, Decoders, Multiplexers, and De-multiplexers: Commonly used in educational and industrial projects.
- Oscillator Circuits and Networking Systems: Employed in signal generation and network communication.
Q & A
- What is the primary function of the SN74HC00DBR?
The SN74HC00DBR is a quadruple 2-input NAND gate integrated circuit, performing the Boolean function Y = A × B in positive logic.
- What is the operating voltage range of the SN74HC00DBR?
The device operates over a voltage range from 2 V to 6 V.
- What are the typical propagation delays for the SN74HC00DBR at different VCC levels?
The propagation delays are approximately 45-135 ns at 2 V, 9-27 ns at 4.5 V, and 8-23 ns at 6 V.
- What is the maximum output high current (IOH) at VCC = 5 V?
The maximum output high current is 4 mA.
- What are the common applications of the SN74HC00DBR?
It is used in AV receivers, home theater systems, portable audio docks, Blu-ray players, MP3 players/recorders, PDAs, tablets, power supplies, SSDs, video analytics, and wireless devices.
- What are the different package options available for the SN74HC00 series?
The SN74HC00 series is available in SOIC, SSOP, PDIP, SOP, and TSSOP packages.
- How does the SN74HC00DBR reduce power consumption compared to LSTTL logic ICs?
The SN74HC00DBR offers significant power reduction due to its CMOS technology.
- What is the operating temperature range of the SN74HC00DBR?
The device operates in temperatures ranging from -40°C to 85°C.
- Can the SN74HC00DBR be used as a NOT gate?
Yes, the NAND gates in the SN74HC00DBR can be reconfigured to function as NOT gates.
- What is the significance of the buffered inputs in the SN74HC00DBR?
The buffered inputs help in reducing the load on the input signals, ensuring stable operation.
