The TC74VHC595F is an 8-bit shift register with 3-state outputs manufactured by Toshiba Semiconductor and Storage. This device is commonly used to expand the number of available I/O pins on a microcontroller or other digital logic system. It is part of the VHC (Very High-Speed CMOS) logic family, offering high-speed operation with low power consumption.
Applications
- LED display control
- Keypad scanning
- Memory addressing
- Data bus expansion
- General-purpose digital logic
Features
- 8-bit serial-in, parallel-out shift register
- 3-state outputs for bus interfacing
- High-speed operation: tpd = 4.1 ns (typical) at VCC = 5V
- Low power consumption: ICC = 4 µA (maximum) at VCC = 5V
- Wide operating voltage range: 2V to 5.5V
- Output drive capability: 8 LSTTL loads
- Package: SOP16 (Small Outline Package)
Benefits
- Increased I/O pin availability for microcontrollers
- Fast data transfer rates
- Low power consumption for energy-efficient applications
- Flexible operation with a wide voltage range
- Easy integration with standard logic families
Additional Details
The TC74VHC595F shift register features separate clock and reset inputs, allowing for precise control of data shifting and output enabling. The 3-state outputs enable the device to be connected directly to a data bus without interfering with other devices. The high-speed operation of the VHC family ensures that data can be transferred quickly and efficiently. The device's low power consumption makes it suitable for battery-powered applications. The TC74VHC595F is a reliable and versatile component for expanding the I/O capabilities of digital logic systems. The serial input allows data to be transmitted using a minimal number of pins, while the parallel outputs provide a convenient way to control multiple devices simultaneously. The small outline package (SOP) allows for easy placement on printed circuit boards. The output drive capability ensures that the device can drive a significant number of loads without signal degradation.