The Toshiba 74VHC138FT(BE) is a high-speed CMOS 3-to-8 line decoder/demultiplexer fabricated with silicon gate CMOS technology. It achieves high-speed operation while maintaining the low power consumption characteristics of CMOS integrated circuits. The device selects one of eight output lines based on a 3-bit binary input address, making it suitable for memory addressing, data routing, and control logic applications.

Applications

• Memory address decoding
• Data routing
• Control logic
• Peripheral selection
• Address decoding for microprocessors

Features

• High-speed operation: Provides fast decoding and demultiplexing functions.
• Low power consumption: Operates with low power dissipation, making it suitable for battery-powered devices.
• Wide operating voltage range: Functions reliably over a range of supply voltages.
• Three enable inputs: Offers flexible control options for cascading or individual device enable/disable.
• Output enable: Allows for output control, enabling the device to be easily interfaced with other logic circuits.

Benefits

• Improved system performance: High-speed operation enhances overall system performance.
• Energy efficiency: Low power consumption extends battery life in portable applications.
• Design flexibility: Three enable inputs and output enable provide versatile control options.
• Reduced component count: Integrated decoder/demultiplexer functionality reduces the need for discrete components.
• Simplified board layout: Surface mount package (TSSOP) simplifies board layout and reduces board space.

Additional Details

The 74VHC138FT(BE) operates with a supply voltage range of 2.0V to 5.5V. It features CMOS inputs for compatibility with other CMOS logic devices. The device is available in a TSSOP (Thin Shrink Small Outline Package). The 'BE' suffix typically indicates specific packaging or tape and reel options. Further technical specifications and timing diagrams can be found in the Toshiba 74VHC series datasheet.