Overview
The SN74HCS08DR is a quadruple 2-input AND gate integrated circuit produced by Texas Instruments. This device is part of the SN74HCS series, which features Schmitt-trigger inputs designed to handle slow or noisy input signals. The SN74HCS08DR is packaged in a 14-pin SOIC (Small Outline Integrated Circuit) package, making it suitable for a variety of applications where compact size and reliable logic operations are required.
Key Specifications
| Parameter | Min | Typ | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VCC) | 2 | 5 | 6 | V |
| High-Level Input Voltage (VIH) | 1.5 (VCC=2V) | 3.15 (VCC=4.5V) | 4.2 (VCC=6V) | V |
| Low-Level Input Voltage (VIL) | 0.5 (VCC=2V) | 1.35 (VCC=4.5V) | 1.8 (VCC=6V) | V |
| Output High Voltage (VOH) | 4.4 (VCC=4.5V, IOH=-20µA) | 5.9 (VCC=6V, IOH=-20µA) | - | V |
| Output Low Voltage (VOL) | 0.1 (VCC=4.5V, IOL=20µA) | 0.1 (VCC=6V, IOL=20µA) | - | V |
| Input Leakage Current | ±100 | - | ±1000 | nA |
| Operating Temperature Range | -40 | - | 125 | °C |
Key Features
- Wide Operating Voltage Range: 2 V to 6 V, making it versatile for various applications.
- Schmitt-Trigger Inputs: Allows for handling slow or noisy input signals effectively.
- Low Power Consumption: Typical ICC of 100 nA and low input leakage current of ±100 nA.
- High Output Drive Capability: ±7.8-mA output drive at 6 V.
- Extended Ambient Temperature Range: -40°C to +125°C, ensuring reliability in harsh environments.
- Compact Packaging: Available in 14-pin SOIC, TSSOP, WQFN, and SOT-23-THIN packages.
Applications
- Combining Power Good Signals: Useful in power management systems where multiple signals need to be logically combined.
- Combining Enable Signals: Suitable for controlling multiple enable signals in digital circuits.
- General Logic Circuits: Can be used in any application requiring quadruple 2-input AND gates with Schmitt-trigger inputs.
- Noisy Environment Applications: The Schmitt-trigger inputs make it ideal for use in environments with noisy or slow input signals.
Q & A
- What is the operating voltage range of the SN74HCS08DR?
The operating voltage range is from 2 V to 6 V.
- What type of inputs does the SN74HCS08DR have?
The device has Schmitt-trigger inputs.
- How many AND gates are included in the SN74HCS08DR?
The device contains four independent 2-input AND gates.
- What is the typical power consumption of the SN74HCS08DR?
The typical ICC (input current) is 100 nA.
- What is the output drive capability of the SN74HCS08DR?
The device can drive up to ±7.8 mA at 6 V.
- What is the operating temperature range of the SN74HCS08DR?
The operating temperature range is from -40°C to +125°C.
- In what packages is the SN74HCS08DR available?
The device is available in SOIC, TSSOP, WQFN, and SOT-23-THIN packages.
- What are some common applications of the SN74HCS08DR?
Common applications include combining power good signals, combining enable signals, and general logic circuits.
- How does the Schmitt-trigger input help in noisy environments?
The Schmitt-trigger input helps by providing hysteresis, which allows the device to handle slow or noisy input signals effectively.
- Is the SN74HCS08DR RoHS compliant?
Yes, the SN74HCS08DR is RoHS compliant.
