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SN74ALS174 from TI,Texas Instruments

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SN74ALS174

Manufacturer: TI

Hex D-Type Positive-Edge-Triggered Flip-Flops With Clear

Partnumber Manufacturer Quantity Availability
SN74ALS174 TI 1783 In Stock

Description and Introduction

Hex D-Type Positive-Edge-Triggered Flip-Flops With Clear The SN74ALS174 is a hex D-type flip-flop with clear, manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** D-Type Flip-flop  
- **Number of Bits:** 6  
- **Input Type:** Single-Ended  
- **Output Type:** Push-Pull  
- **Supply Voltage (Vcc):** 4.5V to 5.5V  
- **High-Level Output Current:** -2.6mA  
- **Low-Level Output Current:** 24mA  
- **Propagation Delay Time (tpd):** 14ns (typical)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Options:** PDIP, SOIC  

### **Descriptions:**  
- The SN74ALS174 features six edge-triggered D-type flip-flops with a common clock (CLK) and clear (CLR) input.  
- Each flip-flop stores one bit of data, and all outputs change synchronously on the low-to-high transition of the clock.  
- A low level on CLR asynchronously resets all flip-flops.  

### **Features:**  
- **Hex Flip-Flops:** Six independent D-type flip-flops in a single package.  
- **Common Clock and Clear:** Synchronous operation with a shared clock and asynchronous clear.  
- **Edge-Triggered:** Data is transferred on the rising edge of the clock.  
- **Wide Operating Voltage:** Compatible with standard 5V logic systems.  
- **High-Speed Operation:** Low propagation delay for efficient performance.  
- **Low Power Consumption:** ALS technology provides a balance of speed and power efficiency.  

This device is commonly used in digital systems for data storage, synchronization, and register applications.

Application Scenarios & Design Considerations

Hex D-Type Positive-Edge-Triggered Flip-Flops With Clear

Alternative Part Number

  • 74ALS174 --: Same 74ALS174 hex D flip-flop function from a different manufacturer, pin-compatible and widely available as a second source.
  • SN74LS174 --: Same TI hex D flip-flop family with LS logic; lower power than ALS and often used as a drop-in substitute when speed is not critical.
  • MC74ACT174 --: Hex D flip-flop with similar pinout and function; ACT logic offers comparable speed and can replace ALS174 in many designs.
  • CD74HCT174E --: Hex D-type flip-flop with clear, HCT family provides TTL-compatible inputs and comparable logic function; widely available alternative for legacy ALS designs.

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