Overview
The SN74HC00NSR, produced by Texas Instruments, is a quadruple 2-input NAND gate integrated circuit. This device contains four independent NAND gates, each performing the Boolean function Y = A × B in positive logic. It is part of the HC (High-Speed CMOS) logic family, known for its low power consumption and wide operating voltage range.
The SN74HC00NSR is available in a 14-pin SOP (Small Outline Package) and is suitable for a variety of applications requiring digital logic operations.
Key Specifications
| Parameter | Min | |||
|---|---|---|---|---|
| VCC Supply Voltage | 2 | 6 | V | |
| Operating Temperature Range | –40 | 85 | °C | |
| Input Clamp Current (VI < –0.5 V or VI > VCC + 0.5 V) | ±20 | mA | ||
| Output Clamp Current (VO < –0.5 V or VO > VCC + 0.5 V) | ±20 | mA | ||
| Continuous Output Current (VO = 0 to VCC) | ±25 | mA | ||
| Propagation Delay (A or B to Y) | 8 | 15 | 23 | ns (at VCC = 6 V) |
| Junction-to-Ambient Thermal Resistance (RθJA) | 91 | °C/W (SOP package) |
Key Features
- Wide Operating Voltage Range: The device operates from 2 V to 6 V, making it versatile for various applications.
- Low Power Consumption: Maximum ICC of 20 µA, contributing to energy-efficient designs.
- High Output Drive Capability: Can drive up to 10 LSTTL loads and provide ±4 mA output drive at 5 V.
- Low Input Current: Maximum input current of 1 µA.
- Buffered Inputs: Ensures stable input signals.
- Wide Operating Temperature Range: From –40°C to +85°C, suitable for a broad range of environmental conditions.
- CMOS Inputs and Outputs: Compatible with CMOS logic levels and provides balanced CMOS push-pull outputs.
Applications
- Alarm and Tamper Detect Circuits: Used in security systems to detect tampering.
- S-R Latches: Can be configured to create active-low SR latches.
- AV Receivers and Home Theater Systems: Suitable for audio and video processing.
- Portable Audio Docks and MP3 Players/Recorders: Used in consumer electronics for digital logic operations.
- Personal Digital Assistants (PDAs) and Tablets: Employed in handheld devices for logic functions.
- Telecom and Server Power Supplies: Used in power management and control circuits.
- Solid State Drives (SSDs): Utilized in storage devices for logic operations.
- Wireless Headsets, Keyboards, and Mice: Used in peripheral devices for digital logic.
Q & A
- What is the operating voltage range of the SN74HC00NSR?
The operating voltage range is from 2 V to 6 V.
- How many NAND gates are included in the SN74HC00NSR?
The device contains four independent 2-input NAND gates.
- What is the maximum propagation delay for the SN74HC00NSR at 6 V VCC?
The maximum propagation delay is 23 ns.
- Can the SN74HC00NSR drive LSTTL loads?
Yes, it can drive up to 10 LSTTL loads.
- What is the typical output drive current at 5 V VCC?
The typical output drive current is ±4 mA.
- What is the recommended operating temperature range for the SN74HC00NSR?
The recommended operating temperature range is from –40°C to +85°C.
- How should unused inputs be terminated?
Unused inputs should be terminated to either VCC or ground, using pull-up or pull-down resistors if necessary.
- What is the maximum junction temperature for the SN74HC00NSR?
The maximum junction temperature is 150°C.
- Can the SN74HC00NSR be used in safety-critical applications?
No, it is not recommended for use in safety-critical applications without proper evaluation and validation.
- What is the typical power consumption of the SN74HC00NSR?
The typical power consumption is very low, with a maximum ICC of 20 µA.
