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SN74HCT08 from TI,Texas Instruments

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SN74HCT08

Manufacturer: TI, TEXAS

Quadruple 2-Input Positive-AND Gates

Partnumber Manufacturer Quantity Availability
SN74HCT08 TI, TEXAS 1984 In Stock

Description and Introduction

Quadruple 2-Input Positive-AND Gates The SN74HCT08 is a quad 2-input AND gate manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**  
- **Logic Type:** AND Gate  
- **Number of Circuits:** 4  
- **Number of Inputs per Gate:** 2  
- **Supply Voltage Range:** 4.5V to 5.5V  
- **High-Level Input Voltage (Min):** 2V  
- **Low-Level Input Voltage (Max):** 0.8V  
- **High-Level Output Current (Max):** -4mA  
- **Low-Level Output Current (Max):** 4mA  
- **Propagation Delay Time (Max):** 18ns at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** PDIP, SOIC, TSSOP  

### **Descriptions:**  
- The SN74HCT08 is a high-speed CMOS logic gate with AND functionality.  
- It is compatible with TTL levels, making it suitable for interfacing between CMOS and TTL systems.  
- Each of the four gates performs the Boolean function Y = A • B in positive logic.  

### **Features:**  
- **Wide Operating Voltage Range:** 4.5V to 5.5V  
- **Low Power Consumption:** Typical ICC of 1μA  
- **High Noise Immunity:** CMOS technology  
- **Balanced Propagation Delays**  
- **TTL-Compatible Inputs**  
- **Schmitt-Trigger Inputs (Noise-Resistant)**  

This information is based on Texas Instruments' official datasheet for the SN74HCT08.

Application Scenarios & Design Considerations

Quadruple 2-Input Positive-AND Gates

Alternative Part Number

  • CD74HCT08E --: Same HCT logic family quad 2-input AND gate with identical pinout and function, different series prefix so it is easily distinguishable.
  • MC74HCT08ADR2G --: Pin-compatible quad 2-input AND gate in HCT family with equivalent Vih/Voh levels, widely available second source.
  • 74HCT08D,653 --: Standard 74HCT quad 2-input AND gate in SO package, functionally and electrically equivalent drop-in alternative.
  • 74HCT08D --: Standard 74HCT quad 2-input AND gate with matching logic thresholds and SOIC package, generic series naming differs from source.

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