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SN74HC21 from TEXAS

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SN74HC21

Manufacturer: TEXAS

Dual 4-Input Positive-AND Gates

Partnumber Manufacturer Quantity Availability
SN74HC21 TEXAS 28 In Stock

Description and Introduction

Dual 4-Input Positive-AND Gates The SN74HC21 is a dual 4-input positive-AND gate manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:

### **Specifications:**
- **Logic Type:** AND Gate  
- **Number of Circuits:** 2  
- **Number of Inputs per Gate:** 4  
- **Supply Voltage Range (VCC):** 2V to 6V  
- **High-Level Output Current (IOH):** -5.2 mA  
- **Low-Level Output Current (IOL):** 5.2 mA  
- **Propagation Delay (tpd):** 13 ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** PDIP, SOIC, TSSOP  

### **Description:**
The SN74HC21 is a high-speed CMOS logic device containing two independent 4-input AND gates. It operates over a wide voltage range (2V to 6V) and provides high noise immunity while consuming low power. The device is compatible with standard CMOS and TTL logic levels.

### **Features:**
- **Wide Operating Voltage Range:** 2V to 6V  
- **Low Power Consumption:** Typically 2 µA (static)  
- **High Noise Immunity:** CMOS technology  
- **Balanced Propagation Delays**  
- **Compatible with TTL Inputs**  
- **Schmitt-Trigger Inputs (Not Applicable for SN74HC21)**  

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

Application Scenarios & Design Considerations

Dual 4-Input Positive-AND Gates
Partnumber Manufacturer Quantity Availability
SN74HC21 TI 556 In Stock

Description and Introduction

Dual 4-Input Positive-AND Gates The SN74HC21 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 (VCC):** 2V to 6V  
- **High-Level Output Current (IOH):** -5.2 mA  
- **Low-Level Output Current (IOL):** 5.2 mA  
- **Propagation Delay (tpd):** 13 ns (typical) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** PDIP, SOIC, TSSOP  

### **Descriptions:**  
The SN74HC21 is a high-speed CMOS logic device that performs the AND function. It features two independent 4-input AND gates with standard push-pull outputs. It is designed for reliable operation in industrial and commercial applications.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **Low Power Consumption:** 2 µA (max) ICC at 5V  
- **High Noise Immunity:** CMOS technology  
- **Balanced Propagation Delays**  
- **Direct LSTTL Input Compatibility**  
- **Schmitt-Trigger Inputs for Improved Noise Rejection** (if applicable)  

For detailed electrical characteristics and mechanical dimensions, refer to the official TI datasheet.

Application Scenarios & Design Considerations

Dual 4-Input Positive-AND Gates

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