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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.

Application Scenarios & Design Considerations

Dual 4-input positive-AND gates
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.

Application Scenarios & Design Considerations

Dual 4-input positive-AND gates

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