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SN74LS166D from TI,Texas Instruments

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SN74LS166D

Manufacturer: TI, MOT

8-BIT SHIFT REGISTERS
Partnumber Manufacturer Quantity Availability
SN74LS166D TI, MOT 5716 In Stock

Description and Introduction

8-BIT SHIFT REGISTERS The SN74LS166D is a parallel-load 8-bit shift register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Number of Bits:** 8-bit  
- **Function:** Parallel-in, serial-out shift register  
- **Supply Voltage (VCC):** 4.75V to 5.25V (nominal 5V)  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC (D)  
- **Mounting Type:** Surface Mount  
- **Input Type:** TTL-compatible  
- **Output Type:** Standard  

### **Descriptions:**  
- The SN74LS166D allows parallel data loading and serial shifting.  
- It features synchronous operation with a clock input (CP) and a shift/load control (SH/LD).  
- Data can be loaded in parallel when SH/LD is low and shifted serially when SH/LD is high.  
- It includes a serial data input (SER) and an asynchronous clear (CLR) function.  

### **Features:**  
- **Parallel-to-serial conversion**  
- **Synchronous operation**  
- **Asynchronous master reset (CLR)**  
- **Low-power consumption (LS technology)**  
- **Wide operating voltage range (4.75V–5.25V)**  
- **TTL-compatible inputs and outputs**  
- **High noise immunity**  

This information is based solely on the manufacturer's specifications.

Application Scenarios & Design Considerations

8-BIT SHIFT REGISTERS

Alternative Part Number

  • CD74HC166M --: Same 16-pin SOIC parallel-in/serial-out shift register function, CMOS HC family with similar pinout and logic, direct functional replacement.
  • MC74HC166ADG --: 8-bit parallel-load shift register in SOIC-16, HC logic family, pin-compatible with the LS166 function and widely available.
  • 74HC166D --: Standard 74HC166 shift register in SOIC-16 package, same logic function and pinout, suitable drop-in alternative with lower power consumption.
  • DM74LS166N --: Same 8-bit parallel-load shift register function in the LS logic family, widely available from a different manufacturer and series prefix.
  • 74LS166N --: Direct functional equivalent 8-bit shift register in the 74LS family, commonly stocked and pin-compatible in DIP form.
  • MC74LS166N --: Equivalent LS-series 8-bit parallel-in/serial-out shift register from Motorola with matching logic characteristics.

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