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The TC74HC165AFN is a high-speed CMOS 8-bit parallel-in/serial-out shift register manufactured by Toshiba. Below are its specifications, descriptions, and features based on the Manufactor Datasheet:

Specifications:

• Logic Family: HC (High-Speed CMOS)
• Supply Voltage Range: 2V to 6V
• Operating Temperature Range: -40°C to +85°C
• Input Current (Max): ±1μA
• Output Current (Max): ±5.2mA
• Propagation Delay (Typical): 13ns (at 5V)
• Package Type: 16-pin plastic DIP (FN)

Descriptions:

• The TC74HC165AFN is an 8-bit parallel-load shift register with serial output.
• It allows parallel data input and serial data output, making it useful for data expansion applications.
• Features asynchronous parallel load and synchronous serial shifting.
• Compatible with TTL levels due to its CMOS technology.

Features:

• 8-bit parallel-in/serial-out operation
• Low power consumption (typical ICC = 4μA at 5V)
• High noise immunity (CMOS technology)
• Wide operating voltage range (2V to 6V)
• Asynchronous parallel load
• Schmitt-trigger action on clock input for noise reduction
• Direct override (clear) input

This information is strictly based on the manufacturer's datasheet. For detailed electrical characteristics and application notes, refer to Toshiba's official documentation.