The HD14521BP is a 24-stage frequency divider manufactured by Hitachi. It is part of the 4000 series CMOS logic family. This device is designed to divide an input frequency by a selectable factor, making it suitable for timing circuits, frequency synthesis, and other frequency-related applications.

Applications

• Timing Circuits: Used in digital clocks and timers to generate accurate time intervals.
• Frequency Synthesis: Employed in frequency synthesizers to generate precise frequencies from a reference signal.
• Digital Instrumentation: Integrated into digital instruments for frequency measurement and control.
• Clock Generators: Used in clock generator circuits for microprocessors and microcontrollers.
• Industrial Control Systems: Found in industrial control systems requiring precise timing and frequency division.

Features

• 24-Stage Divider: Provides a large frequency division range.
• Selectable Division Factor: Offers a selectable division factor through external pins.
• CMOS Logic: Utilizes CMOS technology for low power consumption.
• Wide Operating Voltage: Operates over a wide voltage range, typically from 3V to 15V.
• High Noise Immunity: Features high noise immunity for reliable operation in noisy environments.
• Standard DIP Package: Available in a standard DIP (Dual In-line Package) for easy prototyping and integration.

Benefits

• Versatile Frequency Division: Wide division range allows for flexible frequency control.
• Precise Timing: Enables accurate timing and frequency synthesis.
• Low Power Consumption: CMOS technology minimizes power consumption, extending battery life.
• Reliable Operation: High noise immunity ensures stable operation in industrial environments.
• Easy Integration: Standard DIP package simplifies prototyping and integration into existing circuits.

Additional Details

The HD14521BP comes in a 16-pin DIP package. The specific division factor is determined by the logic levels applied to the input select pins. The operating temperature range is typically from -40°C to +85°C, making it suitable for a wide range of environmental conditions. Detailed electrical characteristics, including input and output voltage levels, can be found in the Hitachi datasheet for this part.