NXP 74HC4094 - 8-stage Shift-and-Store Bus Register
The NXP 74HC4094 device is a high-speed Si-gate CMOS component that belongs to a high-performance family of shift-and-store bus registers. This integrated circuit is designed to offer a flexible and efficient solution for digital signal processing, specifically in applications requiring the serial-to-parallel conversion of data with storage and capability to drive a bus line.
Key Features:
- Shift Register: The 74HC4094 features an 8-bit serial-in/parallel-out shift register, which allows for the serial input of data and then the parallel output after a specific number of clock cycles.
- Storage Register: Following the shift register, an 8-bit storage register holds the data before it is output on the bus, ensuring controlled data management and timing.
- Tri-State Outputs: The outputs of the storage register are tri-state, which means they can be in one of three states: high, low, or high-impedance. This allows for the direct driving of data lines within bus-oriented systems.
- Output Capability: The device has a high current output capability, suitable for driving LEDs or other display elements, as well as standard TTL loads.
- Clock Input: The clock input is tolerant to slower clock rise and fall times, which provides flexibility in interfacing with different types of microprocessors or microcontrollers.
- Multiple Package Options: The 74HC4094 is available in several package types, including DIP, SO, and TSSOP, to fit various assembly and space requirements.
Applications:
The versatility of the NXP 74HC4094 makes it suitable for a wide range of applications. It is commonly used in:
- Serial-to-parallel data conversion
- Interface circuits
- LED displays and indicator panels
- Data storage and transfer systems
- Microprocessor/microcontroller expansion
With its robust design and ability to interface with various logic families, the NXP 74HC4094 is a reliable choice for designers looking to implement efficient data handling and bus management in their digital systems.