CD4521BMT

Product Overview

Category

CD4521BMT belongs to the category of integrated circuits (ICs).

Use

CD4521BMT is commonly used as a programmable 24-stage frequency divider and oscillator.

Characteristics

• CD4521BMT is a CMOS-based IC.
• It operates at a wide voltage range, typically from 3V to 18V.
• The IC has a high noise immunity and low power consumption.
• It is designed to be compatible with various logic systems.
• CD4521BMT is available in a small-sized package, making it suitable for compact electronic devices.

Package

CD4521BMT is packaged in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence

The essence of CD4521BMT lies in its ability to divide frequencies and generate oscillations with programmable stages.

Packaging/Quantity

CD4521BMT is typically sold in reels containing 2500 units per reel.

Specifications

• Supply Voltage: 3V to 18V
• Input Voltage: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±10mA
• Maximum Power Dissipation: 600mW

Detailed Pin Configuration

CD4521BMT has a total of 16 pins. The pin configuration is as follows:

1. Pin 1: Clock Input (CLK)
2. Pin 2: Enable Input (EN)
3. Pin 3: Data Input (D0)
4. Pin 4: Data Input (D1)
5. Pin 5: Data Input (D2)
6. Pin 6: Data Input (D3)
7. Pin 7: Data Input (D4)
8. Pin 8: Data Input (D5)
9. Pin 9: Data Input (D6)
10. Pin 10: Data Input (D7)
11. Pin 11: Reset Input (RST)
12. Pin 12: Output Enable Input (OE)
13. Pin 13: Output 1 (Q1)
14. Pin 14: Output 2 (Q2)
15. Pin 15: Output 3 (Q3)
16. Pin 16: Ground (GND)

Functional Features

• CD4521BMT can divide frequencies by 24 stages.
• It has a programmable counter that allows users to set the desired division ratio.
• The IC can generate oscillations with adjustable frequency outputs.
• CD4521BMT offers high noise immunity, making it suitable for reliable signal processing.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various systems.
• Low power consumption makes it energy-efficient.
• Small package size enables use in compact electronic devices.
• Programmable counter provides flexibility in frequency division.

Disadvantages

• Limited maximum output current may restrict certain applications.
• CMOS-based design may be susceptible to electrostatic discharge (ESD) damage if not handled properly.

Working Principles

CD4521BMT operates based on the principle of frequency division using a programmable counter. The CLK input provides the clock signal, which triggers the counter to increment its value. The division ratio is determined by the data inputs (D0-D7), allowing users to set the desired output frequency. The Q1-Q3 outputs provide the divided frequency signals.

Detailed Application Field Plans

CD4521BMT finds applications in various fields, including:

1. Communication Systems: Used for frequency division in signal processing circuits.
2. Timing Circuits: Provides precise timing control in electronic devices.
3. Instrumentation: Used for frequency measurement and generation in test equipment.
4. Automotive Electronics: Enables frequency division in automotive control systems.
5. Consumer Electronics: Used in audio/video devices, clocks, and timers.

Detailed and Complete Alternative Models

1. CD4520BMT: 14-stage binary counter/divider with similar characteristics.
2. CD4518BMT: Dual BCD up-counter with similar package and voltage range.
3. CD4020BMT: 14-stage ripple carry binary counter/divider with different pin configuration.

These alternative models offer similar functionality to CD4521BMT and can be considered as alternatives based on specific requirements.

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