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SN74HC21D from TI,Texas Instruments

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SN74HC21D

Manufacturer: TI

Dual 4-Input Positive-AND Gates

Partnumber Manufacturer Quantity Availability
SN74HC21D TI 89 In Stock

Description and Introduction

Dual 4-Input Positive-AND Gates The SN74HC21D 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:** 2V to 6V  
- **High-Level Output Current:** -5.2mA  
- **Low-Level Output Current:** 5.2mA  
- **Propagation Delay Time:** 13ns at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package / Case:** SOIC-14  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
The SN74HC21D is a high-speed CMOS logic device that performs the AND function. It is designed for 2V to 6V operation and provides high noise immunity while consuming low power.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **Low Power Consumption:** 2µA (max) at 5V  
- **High Noise Immunity:** CMOS levels  
- **Balanced Propagation Delays**  
- **Schmitt-Trigger Inputs (for improved noise rejection)**  
- **Compatible with TTL Inputs**  

This device is commonly used in digital logic applications requiring multiple-input AND operations.

Application Scenarios & Design Considerations

Dual 4-Input Positive-AND Gates

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