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SN74HC574DW from TI,Texas Instruments

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SN74HC574DW

Manufacturer: TI

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

Partnumber Manufacturer Quantity Availability
SN74HC574DW TI 1252 In Stock

Description and Introduction

Octal Edge-Triggered D-Type Flip-Flops With 3-State Outputs The SN74HC574DW is a high-speed octal D-type flip-flop manufactured by Texas Instruments (TI). Below are its specifications, descriptions, and features based on Ic-phoenix technical data files:  

### **Specifications:**  
- **Logic Type:** D-Type Flip-Flop  
- **Number of Bits:** 8  
- **Technology Family:** HC (High-Speed CMOS)  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Output Type:** Tri-State  
- **Clock Frequency:** Up to 70 MHz (typical at 5V)  
- **Propagation Delay:** 14 ns (typical at 5V)  
- **Package Type:** SOIC (DW)  
- **Pin Count:** 20  

### **Descriptions:**  
- The SN74HC574DW is an octal edge-triggered D-type flip-flop with 3-state outputs.  
- It features a common clock (CP) and output enable (OE) control for all eight flip-flops.  
- Data is transferred to the outputs on the positive edge of the clock pulse.  
- The outputs enter a high-impedance state when OE is high.  

### **Features:**  
- **High-Speed Operation:** Optimized for 5V operation with typical propagation delay of 14 ns.  
- **3-State Outputs:** Allows bus-oriented applications.  
- **Wide Operating Voltage:** Supports 2V to 6V supply range.  
- **Low Power Consumption:** CMOS technology ensures low power dissipation.  
- **Balanced Propagation Delays:** Ensures reliable performance in synchronous systems.  
- **ESD Protection:** Exceeds 2000V per JESD 22-A114.  

This information is strictly factual and derived from the manufacturer's datasheet.

Application Scenarios & Design Considerations

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

Alternative Part Number

  • MC74HC574ADWG --: Same 74HC574 octal D flip-flop function in a 20-pin SOIC wide-body package, pin-compatible and widely available as a direct second source.
  • CD74HC574E --: TI's own 74HC574 equivalent with identical logic function and pinout; the PDIP package is a drop-in option when through-hole mounting is acceptable.
  • 74HC574D,653 --: Standard 74HC574 octal D-type flip-flop in SO20 package, functionally and pin-compatible with the SN74HC574DW for most designs.

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