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SN74HC574NSR from TI,Texas Instruments

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SN74HC574NSR

Manufacturer: TI

Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs

Partnumber Manufacturer Quantity Availability
SN74HC574NSR TI 30000 In Stock

Description and Introduction

Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs The SN74HC574NSR is a high-speed octal D-type flip-flop manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Bits:** 8  
- **Input Type:** Single-Ended  
- **Output Type:** Tri-State, Non-Inverted  
- **Supply Voltage Range:** 2V to 6V  
- **High-Level Output Current:** -7.8mA  
- **Low-Level Output Current:** 7.8mA  
- **Propagation Delay Time:** 14ns at 5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package Type:** SOIC (20-pin)  
- **Mounting Type:** Surface Mount  

### **Descriptions:**  
- The SN74HC574NSR is an octal edge-triggered flip-flop with 3-state outputs.  
- It features a common clock (CP) and output enable (OE) input for synchronous operation.  
- Data is transferred to the outputs on the positive edge of the clock pulse.  
- The outputs are in a high-impedance state when OE is high.  

### **Features:**  
- **Wide Operating Voltage Range:** 2V to 6V  
- **High-Current Outputs:** Drive up to 15 LSTTL Loads  
- **Low Power Consumption:** 80µA (Max) ICC  
- **Balanced Propagation Delays**  
- **3-State Outputs for Bus-Oriented Applications**  
- **ESD Protection Exceeds 2000V per JESD 22**  

This device is commonly used in bus interface, register, and data storage applications.

Application Scenarios & Design Considerations

Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs

Alternative Part Number

  • MC74HC574ADTR2G --: Octal D flip-flop with 3-state outputs in the same HC logic family, SOIC-20 package, direct functional and pin-compatible replacement.
  • CD74HC574E --: Same HC574 function from the same manufacturer, DIP-20 package, suitable when through-hole mounting is acceptable.
  • 74HC574D,653 --: Widely available HC574 octal D-type flip-flop with 3-state outputs in SOIC-20, electrically equivalent to the original.

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