The TC4094BF is an 8-stage shift and store bus register fabricated with silicon gate C2MOS technology. It features serial inputs and outputs for cascading, along with 3-state parallel outputs for bus interfacing. This device is commonly used to expand the output capabilities of microcontrollers and other digital systems, providing a convenient way to control multiple loads with a minimum number of I/O pins.

Applications

• LED display drivers
• Relay drivers
• Stepper motor control
• Digital logic circuits
• Remote control systems
• Industrial control systems
• General-purpose digital output expansion

Features

• 8-stage shift register
• 3-state parallel outputs
• Serial input and output for cascading
• Storage register for data retention
• High output current capability
• Wide operating voltage range
• Low power consumption

Benefits

• Simplifies interface between microcontrollers and external loads
• Reduces the number of I/O pins required for control
• Enables control of multiple loads with a single chip
• Provides data retention capability even when the shift register is not actively shifting
• Suitable for driving high-current loads directly
• Operates over a wide voltage range, providing flexibility in system design
• Minimizes power consumption, making it suitable for battery-powered applications

Technical Specifications

The TC4094BF operates with a wide supply voltage range, typically from 3V to 18V. It features a high output current capability, allowing it to directly drive LEDs, relays, and other loads. The device includes a storage register that allows data to be retained even when the shift register is not actively shifting. The 3-state outputs enable the device to be connected to a common bus without causing contention. The serial input and output pins allow multiple TC4094BF devices to be cascaded, further expanding the number of outputs that can be controlled. The device is available in a variety of packages, including DIP and SOIC.

The TC4094BF is a versatile and widely used shift register that provides a convenient way to expand the output capabilities of digital systems. Its high output current capability, wide operating voltage range, and low power consumption make it a popular choice for a variety of applications.