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M74HC21B1 from ST,ST Microelectronics

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M74HC21B1

Manufacturer: ST

DUAL 4-INPUT AND GATE

Partnumber Manufacturer Quantity Availability
M74HC21B1 ST 2300 In Stock

Description and Introduction

DUAL 4-INPUT AND GATE The M74HC21B1 is a dual 4-input AND gate integrated circuit manufactured by STMicroelectronics.  

### **Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Suitable for battery-operated devices  
- **Output Drive Capability:** 10 LSTTL loads  
- **Propagation Delay:** Typically 12 ns at 5V  
- **Input Current:** ±1 µA (max)  
- **Package Type:** DIP-14 (Dual In-line Package)  

### **Descriptions:**  
- The M74HC21B1 contains two independent 4-input AND gates.  
- It is compatible with TTL levels, making it suitable for interfacing with TTL circuits.  
- The device is designed for general-purpose logic applications.  

### **Features:**  
- **Wide Operating Voltage:** 2V to 6V  
- **High-Speed Operation:** Optimized for fast switching  
- **Balanced Propagation Delays:** Ensures stable performance  
- **Pin-to-Pin Compatibility:** With standard 74HC series  
- **ESD Protection:** Improved reliability  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

DUAL 4-INPUT AND GATE
Partnumber Manufacturer Quantity Availability
M74HC21B1 STM 25 In Stock

Description and Introduction

DUAL 4-INPUT AND GATE The M74HC21B1 is a dual 4-input AND gate integrated circuit manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Logic Family:** HC (High-speed CMOS)  
- **Number of Gates:** 2 (Dual)  
- **Inputs per Gate:** 4  
- **Supply Voltage Range:** 2V to 6V  
- **High-Level Input Voltage (Min):** 2V  
- **Low-Level Input Voltage (Max):** 0.8V  
- **High-Level Output Current:** -5.2 mA  
- **Low-Level Output Current:** 5.2 mA  
- **Propagation Delay:** 15 ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +125°C  
- **Package:** DIP-14 (Dual In-line Package)  

### **Descriptions:**  
- The M74HC21B1 integrates two independent 4-input AND gates.  
- It is compatible with TTL levels due to its HC logic family.  
- Suitable for high-speed logic applications.  

### **Features:**  
- High noise immunity  
- Low power consumption  
- Balanced propagation delays  
- Wide operating voltage range  
- Direct interface with CMOS, NMOS, and TTL devices  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

DUAL 4-INPUT AND GATE

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