The TC74VHC165FK(EL,K) is an 8-bit parallel-load shift register manufactured by Toshiba Semiconductor and Storage. It belongs to the VHC (Very High-Speed CMOS) family, offering high-speed operation with low power consumption. This device is designed for applications requiring parallel-to-serial data conversion or data storage and manipulation.

Applications:

• Parallel-to-serial data conversion
• Data acquisition systems
• Keyboard scanning
• Microprocessor interface
• Digital multiplexing

Features:

• 8-Bit Parallel-Load Shift Register
• High-Speed Operation: tpd = 4.1 ns (typ.) at VCC = 5V
• Low Power Consumption: ICC = 4 µA (max) at VCC = 5V
• Wide Operating Voltage Range: VCC = 2V to 5.5V
• Parallel Input Enable
• Serial Output
• Clock Enable Input
• Asynchronous Reset Input
• Output Drive Capability: 10 LSTTL Loads
• Package: SOP16 (Small Outline Package)

Benefits:

• Enables high-speed data processing in digital systems.
• Reduces power consumption, extending battery life in portable devices.
• Offers flexible operation with a wide voltage range.
• Simplifies interfacing with microprocessors and other digital components.
• Provides reliable data storage and manipulation capabilities.

Additional Details:

The TC74VHC165FK(EL,K) features parallel inputs for loading data simultaneously, which can then be shifted out serially using a clock signal. The device includes a clock enable input to control the shifting operation and an asynchronous reset input to clear the register. Its high output drive capability allows it to drive multiple LSTTL loads, making it suitable for a wide range of digital circuits. The SOP16 package provides a compact footprint for space-constrained applications. The device is fully specified for operation over the industrial temperature range. When designing with the TC74VHC165FK(EL,K), it is crucial to adhere to the recommended operating conditions and input signal specifications outlined in the Toshiba datasheet to ensure optimal performance and prevent damage to the device. Proper decoupling capacitors should be used near the power supply pins to minimize noise and maintain signal integrity.