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SN74HC244 from TI,Texas Instruments

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SN74HC244

Manufacturer: TI

Octal Buffers And Line Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HC244 TI 292 In Stock

Description and Introduction

Octal Buffers And Line Drivers With 3-State Outputs The SN74HC244 is an octal buffer and line driver integrated circuit manufactured by Texas Instruments.  

### **Specifications:**  
- **Logic Type:** Octal Buffer/Line Driver  
- **Technology:** High-Speed CMOS (HC)  
- **Number of Channels:** 8  
- **Supply Voltage Range:** 2V to 6V  
- **Output Current (High or Low):** ±6mA  
- **Propagation Delay:** 13 ns (typical at 5V)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Options:** SOIC, PDIP, TSSOP  

### **Descriptions:**  
The SN74HC244 is a non-inverting buffer and line driver designed for bus-oriented applications. It provides high-speed, low-power operation and is compatible with TTL inputs. The device features two independent 4-bit buffers with 3-state outputs, allowing for bidirectional data flow control.  

### **Features:**  
- **3-State Outputs:** Allows multiple devices to share a common bus.  
- **Wide Operating Voltage:** Supports 2V to 6V operation.  
- **High Noise Immunity:** CMOS technology ensures reliable performance.  
- **Low Power Consumption:** Optimized for battery-powered applications.  
- **Balanced Propagation Delays:** Ensures signal integrity in high-speed systems.  
- **ESD Protection:** Exceeds 2000V per JESD 22-A114.  

This information is sourced from the Texas Instruments datasheet for the SN74HC244.

Application Scenarios & Design Considerations

Octal Buffers And Line Drivers With 3-State Outputs

Alternative Part Number

  • MC74HC244ADWG --: Same 74HC244 octal buffer/line driver function with pin-compatible SOIC package and similar electrical characteristics.
  • CD74HC244E --: TI's CD74HC series equivalent octal buffer with identical logic function and compatible HC CMOS thresholds.
  • 74HC244D,653 --: Widely available 74HC244 octal buffer in SOIC package with equivalent drive and propagation specs.
  • 74HC244D --: Standard 74HC244 octal buffer in SOIC package, electrically equivalent and a common second-source option for the SN74HC244.

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