The TC74VHCT32AF is a high-speed CMOS quad 2-input OR gate 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 well-suited for use in a wide range of digital logic applications.

Applications

• High-speed logic circuits
• Data processing
• Instrumentation
• Telecommunications
• Consumer electronics

Features

• High-speed operation: tpd = 4.1 ns (typ.) at VCC = 5V
• Low power dissipation: ICC = 2 μA (max.) at Ta = 25°C
• High noise immunity: VNIH = VNIL = 28 % VCC (min.)
• Output drive capability: 10 LSTTL loads
• Symmetrical output impedance: |IOH| = IOL = 8 mA (min.)
• Balanced propagation delays: tPLH ≈ tPHL
• Wide operating voltage range: VCC = 4.5 V to 5.5 V
• Pin and function compatible with 74HCT32

Benefits

• Reduced power consumption compared to TTL logic, extending battery life in portable devices.
• High-speed performance enables use in demanding applications requiring fast signal processing.
• Improved noise immunity reduces the risk of spurious switching, enhancing system reliability.
• Direct interface with TTL logic levels simplifies system design and reduces component count.
• Wide operating voltage range provides flexibility in power supply selection.

Additional Details

The TC74VHCT32AF is supplied in a SOIC14 package. It is part of the VHCT family of logic gates from Toshiba, offering a combination of high speed and low power. The device is designed to operate over a temperature range of -40°C to +85°C.