The 74LV4094PW,118 is an 8-stage shift/store bus register manufactured by Nexperia. This device features both serial-to-parallel and serial-to-serial outputs, making it highly versatile for various digital logic applications. It operates within the 1.0 V to 5.5 V voltage range, and it is designed for low-voltage operation.

Applications:

• Driving LEDs and displays.
• Serial-to-parallel data conversion.
• Remote control systems.
• Industrial control systems.
• Microcontroller interface.
• Digital logic circuits requiring parallel data output from serial input.

Features:

• 8-bit serial-in, parallel-out shift register.
• Storage register with 3-state outputs.
• Separate shift and store clocks.
• Direct clear input.
• Low power consumption.
• Wide operating voltage range: 1.0 V to 5.5 V.
• High-speed operation: tpd = 4.0 ns (typical) at 5 V.
• Complies with JEDEC standard no. 7A.

Benefits:

• Simplifies data transfer between serial and parallel interfaces.
• Enables efficient control of multiple outputs with minimal I/O pins.
• Reduces system power consumption due to low-voltage operation.
• Offers flexibility with separate shift and store clocks.
• Provides easy reset capability with direct clear input.
• Suited for battery-powered applications due to low power requirements.
• Facilitates high-speed data processing with fast propagation delay.

Additional Details:

The 74LV4094PW is available in a TSSOP16 (thin shrink small outline package) which allows for high-density mounting on printed circuit boards. The device's CMOS technology ensures minimal power dissipation while providing robust noise immunity. The output enable (OE) pin provides control over the output state, allowing the outputs to be either active-high or high-impedance. This feature is particularly useful when the register outputs need to be disconnected from the bus.

The shift register section of the 74LV4094PW shifts data serially on the positive-going transitions of the shift clock (SCK). The serial output (Q<sub>S) allows for cascading multiple devices to create longer shift registers. The store register transfers the data from the shift register to the parallel outputs (Q<sub>0 to Q<sub>7) when the store clock (STCK) goes high. This architecture allows for independent control of the shift and store operations.