The TC74VHC574FS is an advanced high-speed CMOS octal D-type flip-flop with three-state outputs fabricated with silicon gate CMOS technology. It achieves high-speed operation similar to equivalent Bipolar Schottky TTL while maintaining CMOS low power dissipation. This device is ideal for temporary storage of data and is commonly used in applications where data needs to be latched and subsequently outputted.

Applications:

  
• Data buffering
  
• Address latching
  
• Memory address drivers
  
• Microprocessor systems
  
• Interface circuits

Features:

  
• High-speed operation: tpd = 4.8 ns (typ.) at VCC = 5 V
  
• Low power dissipation: ICC = 4 μA (max.) at Ta = 25 °C
  
• High noise immunity: VNIH = VNIL = 28 % VCC (min.)
  
• Output drive capability: 15 LSTTL loads
  
• Symmetrical output impedance: |IOH| = IOL = 6 mA (min.)
  
• Balanced propagation delays: tPLH ≈ tPHL
  
• Wide operating voltage range: VCC = 2 V to 5.5 V
  
• Pin and function compatible with 74HC574

Benefits:

  
• Fast data transfer ensures optimal system performance.
  
• Low power consumption extends battery life and reduces energy costs.
  
• Robust noise immunity provides reliable operation in noisy environments.
  
• Easy integration with TTL and CMOS devices simplifies design.
  
• Predictable timing characteristics streamline circuit design and analysis.
  
• Versatile voltage range accommodates various system requirements.

The TC74VHC574FS contains eight D-type flip-flops with a common clock (CK) and output enable (OE) input. When OE is low, the data is outputted. When OE is high, the outputs are in a high-impedance state.  Data at the D inputs is transferred to the outputs on the positive-going edge of the clock pulse.  It is supplied in an SOP package and operates across a wide temperature range.