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SN74F244DBR from TI,Texas Instruments

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SN74F244DBR

Manufacturer: TI, TEXAS

Octal Buffers/Drivers With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74F244DBR TI, TEXAS 120216 In Stock

Description and Introduction

Octal Buffers/Drivers With 3-State Outputs The SN74F244DBR is an octal buffer and line driver manufactured by Texas Instruments. Here are its specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments  
- **Type:** Octal Buffer/Line Driver  
- **Technology:** 74F (Fast TTL)  
- **Package:** SSOP-20 (DBR)  
- **Operating Voltage:** 4.5V to 5.5V  
- **Input Voltage (High):** 2.0V (min)  
- **Input Voltage (Low):** 0.8V (max)  
- **Output Current (High):** -15mA  
- **Output Current (Low):** 64mA  
- **Propagation Delay:** 5.5ns (max) at 5V  
- **Operating Temperature Range:** -40°C to +85°C  

### **Descriptions:**
- The SN74F244DBR is a non-inverting octal buffer and line driver designed for bus-oriented applications.  
- It features two groups of four buffers with separate output-enable (OE) inputs for each group.  
- The device is optimized for high-speed operation while maintaining low power consumption.  

### **Features:**
- **Octal Buffer/Line Driver with 3-State Outputs**  
- **Non-Inverting Logic**  
- **Separate Output Enable Controls for Each 4-Bit Group**  
- **High Output Drive: ±15mA**  
- **TTL-Compatible Inputs and Outputs**  
- **ESD Protection Exceeds 2000V (HBM)**  
- **Wide Operating Temperature Range**  

This device is commonly used in bus interface, memory address driving, and general-purpose buffering applications.

Application Scenarios & Design Considerations

Octal Buffers/Drivers With 3-State Outputs

Alternative Part Number

  • MC74F244DWR2 --: Octal buffer/line driver with 3-state outputs in the same F logic family and SOIC-20 wide package, functionally equivalent to the SN74F244DBR.
  • 74F244SC --: Pin-compatible octal buffer/line driver with 3-state outputs in SOIC-20, matching the F-series speed and drive characteristics.
  • N74F244D --: Octal buffer/line driver with 3-state outputs in SOIC-20, same F logic family and equivalent electrical performance.
  • MC74F244ADWR2 --: Octal buffer/line driver with 3-state outputs in the same F logic family and SOIC-20 wide package, directly pin-compatible and functionally equivalent.
  • 74F244SCX --: Same 74F244 octal buffer function in a SOIC-20 package with comparable speed and drive, a well-established second source.

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