The TC74VHC595FK-ELK from Toshiba Semiconductor and Storage is a high-speed CMOS 8-bit shift register with output latches and 3-state outputs. This device is manufactured using silicon gate CMOS technology, providing high-speed operation similar to bipolar Schottky TTL while maintaining the low power consumption characteristics of CMOS circuits. This makes it highly suitable for applications requiring serial-to-parallel data conversion and output expansion in power-sensitive designs.
Applications
- Matrix LED Displays: Efficiently drives rows or columns in matrix LED displays.
- Remote Control Systems: Used for serial data transmission to control multiple devices remotely.
- Industrial Control: Employed in industrial automation systems for controlling multiple outputs from a single microcontroller.
- Instrumentation: Used in test and measurement equipment to expand output capabilities.
- Consumer Electronics: Used in various consumer electronic devices requiring serial-to-parallel data conversion.
Features
- High-Speed Operation: Provides fast data transfer rates due to the advanced CMOS process.
- Low Power Consumption: Minimizes power usage, making it ideal for battery-powered applications.
- 8-Bit Shift Register: Offers eight stages of serial-to-parallel data conversion.
- 3-State Outputs: Allows the outputs to be disabled, enabling multiple devices to share the same bus.
- Output Latches: Holds the output data even when the shift register is being updated.
- Serial Data Output: Allows cascading multiple devices to create longer shift registers.
- Wide Operating Voltage Range: Operates efficiently over a broad voltage range, typically from 2V to 5.5V.
Benefits
- Simplified Output Expansion: Streamlines the process of adding more outputs to a microcontroller-based system.
- Extended Battery Life: Low power consumption increases the operating time of battery-powered devices.
- Efficient Data Conversion: Simplifies the conversion of serial data to parallel format for driving multiple loads.
- Easy System Expansion: Cascadability enables the expansion of output channels without significant complexity.
- Versatile Application: Wide operating voltage range enables use in various applications with different voltage requirements.
Additional Details
The TC74VHC595FK-ELK is available in a SOP package, suitable for surface-mount technology. It operates over a temperature range of -40°C to +85°C. The device has separate clock inputs for the shift register (SRCLK) and the output latches (RCLK), providing flexible control over data shifting and output updating. The Output Enable (OE) pin is used to disable the outputs, placing them in a high-impedance state. The device also features a serial output (Q7S) for cascading purposes.