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SN74LS21NSR from TI,Texas Instruments

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SN74LS21NSR

Manufacturer: TI

Dual 4-input positive-AND gates

Partnumber Manufacturer Quantity Availability
SN74LS21NSR TI 999 In Stock

Description and Introduction

Dual 4-input positive-AND gates The SN74LS21NSR is a dual 4-input positive-AND gate manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** AND Gate  
- **Number of Circuits:** 2  
- **Number of Inputs per Gate:** 4  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package / Case:** SOIC-14  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 15ns (typical)  
- **Output Current:** 8mA (High), 16mA (Low)  
- **Technology:** LS (Low-Power Schottky)  

### **Descriptions and Features:**  
- Dual 4-input AND gate in a single package  
- High-speed operation with low power consumption  
- Compatible with TTL (Transistor-Transistor Logic) inputs  
- Standard pin configuration for easy integration  
- Reliable performance for digital logic applications  

This device is commonly used in digital systems for logic signal processing.

Partnumber Manufacturer Quantity Availability
SN74LS21NSR TEXAS 430 In Stock

Description and Introduction

Dual 4-input positive-AND gates The SN74LS21NSR is a dual 4-input positive-AND gate manufactured by Texas Instruments. Below are its specifications, descriptions, and features:

### **Specifications:**
- **Logic Type:** AND Gate  
- **Number of Circuits:** 2  
- **Number of Inputs:** 4 per gate  
- **Supply Voltage (VCC):** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package / Case:** SOIC-14  
- **Mounting Type:** Surface Mount  
- **Propagation Delay Time:** 15ns (typical)  
- **Output Current:** 8mA (High), 16mA (Low)  
- **Power Dissipation:** 20mW per gate (typical)  

### **Descriptions:**
- The SN74LS21NSR is a dual 4-input AND gate IC that performs logical AND operations.  
- It is part of Texas Instruments' LS (Low-Power Schottky) family, offering a balance of speed and power efficiency.  
- Designed for use in digital logic applications, including computing, industrial control, and signal processing.  

### **Features:**
- **Low Power Consumption:** Optimized for reduced power usage.  
- **High Noise Immunity:** Improved resistance to electrical noise.  
- **Schottky Clamped:** Ensures fast switching speeds.  
- **Wide Operating Voltage Range:** Supports standard TTL levels.  
- **Surface-Mount Package (SOIC-14):** Suitable for compact PCB designs.  

For detailed electrical characteristics and application notes, refer to the official Texas Instruments datasheet.

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