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SN74LS165ADR from TI,Texas Instruments

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SN74LS165ADR

Manufacturer: TI

Serial-out shift registers

Partnumber Manufacturer Quantity Availability
SN74LS165ADR TI 64513 In Stock

Description and Introduction

Serial-out shift registers ### **Manufacturer:** Texas Instruments (TI)  

### **Part Number:** SN74LS165ADR  

### **Specifications:**  
- **Logic Family:** LS (Low-Power Schottky)  
- **Logic Type:** 8-Bit Parallel-In/Serial-Out Shift Register  
- **Supply Voltage Range:** 4.75V to 5.25V  
- **Operating Temperature Range:** 0°C to 70°C  
- **Package Type:** SOIC-16  
- **Mounting Type:** Surface Mount  
- **Number of Bits:** 8  
- **Clock Frequency:** Up to 35 MHz  
- **Input Type:** Parallel Load, Serial Shift  
- **Output Type:** Serial Output (QH and Q̅H)  
- **Propagation Delay:** Typically 20 ns  
- **High-Level Output Current:** -0.4 mA  
- **Low-Level Output Current:** 8 mA  

### **Descriptions:**  
The SN74LS165ADR is an 8-bit parallel-in/serial-out shift register from Texas Instruments. It is designed for applications requiring serial data transfer, such as data acquisition, serial-to-parallel conversion, and digital signal processing. The device features a parallel load input for loading data and a clock input for serial shifting.  

### **Features:**  
- **8-Bit Parallel-to-Serial Conversion**  
- **Synchronous Serial Data Output**  
- **Asynchronous Parallel Load**  
- **Complementary Outputs (QH and Q̅H)**  
- **Low Power Consumption (LS Technology)**  
- **Wide Operating Voltage Range (4.75V to 5.25V)**  
- **High-Speed Operation (35 MHz max clock frequency)**  
- **Schottky-Clamped for Improved Performance**  
- **16-Pin SOIC Package for Surface Mount Applications**  

This device is commonly used in digital systems for serial data expansion, keyboard scanning, and shift register applications.

Application Scenarios & Design Considerations

Serial-out shift registers

Alternative Part Number

  • CD74HC165M --: 8-bit parallel-load shift register in the same function family, CMOS HC version with wide supply range and direct logic compatibility.
  • MC74HC165ADG --: Pin-compatible 8-bit parallel-in/serial-out shift register from a different series, widely available and functionally equivalent.
  • 74HC165D --: Standard 74HC165 shift register in SOIC package, offering equivalent parallel-load serial-out operation with lower power consumption.

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