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M74HC165B1R from ST,ST,ST Microelectronics

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M74HC165B1R

Manufacturer: ST,ST, STM

8 BIT PISO SHIFT REGISTER

Partnumber Manufacturer Quantity Availability
M74HC165B1R ST,ST, STM 26000 In Stock

Description and Introduction

8 BIT PISO SHIFT REGISTER The M74HC165B1R is a high-speed CMOS 8-bit parallel-in/serial-out shift register manufactured by STMicroelectronics (STM).  

### **Specifications:**  
- **Logic Family:** HC (High-Speed CMOS)  
- **Number of Bits:** 8  
- **Input Type:** Parallel-in/Serial-out  
- **Supply Voltage Range:** 2V to 6V  
- **Operating Temperature Range:** -40°C to +125°C  
- **High Noise Immunity:** CMOS technology  
- **Low Power Consumption:** Suitable for battery-operated devices  
- **Package Type:** SO-16 (Small Outline 16-pin)  
- **Clock Frequency:** Up to 25 MHz (typical)  
- **Output Drive Capability:** 10 LSTTL loads  

### **Descriptions:**  
The M74HC165B1R is designed for parallel-to-serial data conversion. It features asynchronous parallel data loading and synchronous serial shifting. It is commonly used in applications requiring data expansion, such as digital interfaces and microcontroller-based systems.  

### **Features:**  
- **Parallel Data Loading:** Asynchronous load capability  
- **Serial Data Output:** Synchronous shifting with clock input  
- **Complementary Outputs:** Q and Q̅ (inverted) available  
- **Wide Operating Voltage:** Compatible with 2V to 6V systems  
- **High-Speed Operation:** Suitable for fast data transfer  
- **Latch-Up Performance:** Exceeds 250 mA per JESD 78  

This information is based on the manufacturer's datasheet. For detailed electrical characteristics and timing diagrams, refer to the official STMicroelectronics documentation.

Application Scenarios & Design Considerations

8 BIT PISO SHIFT REGISTER

Alternative Part Number

  • SN74HC165N --: Pin-compatible 8-bit parallel-in/serial-out shift register in the same HC logic family with equivalent function and DIP-16 package.
  • CD74HC165E --: Direct functional equivalent 8-bit PISO shift register with matching HC speed and pinout, widely available as a drop-in replacement.
  • MC74HC165AN --: Same 8-bit parallel-load shift register function in HC family with compatible pinout and electrical characteristics.

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