The TC74VHC4020FT from Toshiba Semiconductor and Storage is a high-speed CMOS 14-stage binary counter. This device is fabricated using silicon gate CMOS technology, which provides high-speed operation similar to bipolar Schottky TTL while maintaining the low power consumption characteristic of CMOS. It's designed for a broad range of counting and frequency division applications.

Applications

• Frequency Dividers: Used to divide down a higher frequency signal to a lower frequency.
• Timers: Employed in timing circuits to generate precise time intervals.
• Counters: Utilized as a binary counter for various digital counting applications.
• Control Circuits: Integrated into control circuits for sequencing and timing control.
• Clock Generators: Used in clock generation circuits to provide clock signals for digital systems.

Features

• High-Speed Operation: Provides fast counting and frequency division due to advanced CMOS technology.
• Low Power Consumption: Operates with minimal power, suitable for battery-powered devices.
• 14-Stage Binary Counter: Offers 14 stages of binary counting, providing a wide range of division ratios.
• Reset Input: Allows for resetting the counter to its initial state.
• Wide Operating Voltage Range: Operates from 2V to 5.5V, accommodating various power supply voltages.
• Schmitt-Trigger Action on Clock Input: Provides improved noise immunity on the clock input.

Benefits

• Versatile Frequency Division: Wide range of division ratios makes it suitable for many frequency division tasks.
• Energy Efficiency: Low power consumption extends battery life in portable applications.
• Precise Timing Control: Enables accurate timing and sequencing in control circuits.
• Easy Resetting: Reset input simplifies the initialization and control of the counter.
• Noise Immunity: Schmitt-trigger input improves reliability in noisy environments.

Additional Details

The TC74VHC4020FT is available in a TSSOP package suitable for surface mount technology. It operates over a temperature range of -40°C to +85°C. The device is triggered on the negative-going transition of the clock input. The reset input, when high, sets all counter outputs to a low state.