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SN74LS164DR from TI,Texas Instruments

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SN74LS164DR

Manufacturer: TI

Serial-in shift registers

Partnumber Manufacturer Quantity Availability
SN74LS164DR TI 70000 In Stock

Description and Introduction

Serial-in shift registers The SN74LS164DR is a 8-bit serial-in, parallel-out shift register manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Logic Type:** Shift Register  
- **Number of Bits:** 8  
- **Output Type:** Standard  
- **Voltage Supply:** 4.75V to 5.25V  
- **Operating Temperature:** 0°C to 70°C  
- **Package / Case:** SOIC-14  
- **Mounting Type:** Surface Mount  
- **Logic Family:** LS  
- **Propagation Delay Time:** 35 ns (max)  
- **High-Level Output Current:** -0.4 mA  
- **Low-Level Output Current:** 8 mA  

### **Descriptions:**  
The SN74LS164DR is a high-speed 8-bit serial-in, parallel-out shift register with asynchronous reset. It is designed for applications requiring serial-to-parallel data conversion, such as LED displays, data storage, and digital signal processing.  

### **Features:**  
- **Serial Data Inputs (A & B):** Can be controlled independently or tied together  
- **Asynchronous Master Reset (MR):** Clears all flip-flops when low  
- **Wide Operating Voltage Range:** Compatible with TTL levels  
- **High-Speed Operation:** Suitable for fast data transfer  
- **Low Power Consumption:** Typical power dissipation of 45 mW  
- **Standard Outputs:** Compatible with most TTL and CMOS logic  

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

Application Scenarios & Design Considerations

Serial-in shift registers

Alternative Part Number

  • MC74HC164ADR2G --: 8-bit serial-in/parallel-out shift register in the same function class, widely available and pin-compatible in many designs; check logic family voltage compatibility.
  • CD74HC164E --: Same manufacturer's 8-bit serial-in/parallel-out shift register with equivalent function, useful when LS-family speed is not critical.
  • 74HC164D --: Standard 8-bit serial-in/parallel-out shift register in SOIC package, a common cross-reference for 74LS164 logic functions.
  • MC74LS164DR2G --: Direct functional equivalent 8-bit serial-in/parallel-out shift register in the same LS logic family, widely available and pin-compatible.
  • 74LS164N --: Standard 74LS164 shift register in DIP package from a different manufacturer, electrically equivalent for most designs.

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