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SN7440N from TI,Texas Instruments

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SN7440N

Manufacturer: TI

DUAL 4-INPUT POSITIVE-NAND BUFFERS

Partnumber Manufacturer Quantity Availability
SN7440N TI 1024 In Stock

Description and Introduction

DUAL 4-INPUT POSITIVE-NAND BUFFERS The SN7440N is a dual 4-input positive-NAND buffer manufactured by Texas Instruments.  

### **Specifications:**  
- **Logic Type:** NAND Gate  
- **Number of Circuits:** 2  
- **Number of Inputs per Gate:** 4  
- **Output Type:** Standard  
- **Supply Voltage (VCC):** 4.75V to 5.25V (nominal 5V)  
- **Propagation Delay:** Typically 15ns at 5V  
- **Operating Temperature Range:** 0°C to +70°C  
- **Package Type:** PDIP (Plastic Dual In-Line Package)  
- **Pin Count:** 14  

### **Descriptions and Features:**  
- Contains two independent 4-input NAND gates.  
- TTL-compatible inputs and outputs.  
- Standard speed operation.  
- Designed for use in digital logic applications.  
- High noise immunity.  
- Standard power consumption for TTL logic.  

For exact electrical characteristics and timing diagrams, refer to the official Texas Instruments datasheet.

Application Scenarios & Design Considerations

DUAL 4-INPUT POSITIVE-NAND BUFFERS

Alternative Part Number

  • MC7440P --: Pin-compatible 7440 dual 4-input NAND gate in DIP-14, direct functional equivalent with different naming.
  • DM7440N --: Standard 7440 quad 2-input NAND in DIP-14, same logic function and pinout, widely available second source.
  • N7440N --: Equivalent 7440 series NAND gate in DIP-14 package, suitable replacement with different prefix.

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