MC14518BDW

Overview

Category: Integrated Circuit (IC)

Use: Digital Logic Circuit

Characteristics: - High-speed operation - Low power consumption - Wide operating voltage range - Compact package size

Package: SOIC (Small Outline Integrated Circuit)

Essence: MC14518BDW is a dual 4-bit binary counter IC.

Packaging/Quantity: The MC14518BDW is available in a tube packaging with a quantity of 50 units per tube.

Specifications

• Supply Voltage Range: 3V to 18V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: CMOS
• Number of Pins: 16
• Maximum Clock Frequency: 10 MHz
• Output Current: ±6 mA

Pin Configuration

The MC14518BDW has a total of 16 pins, which are assigned specific functions. The pin configuration is as follows:

Pin 1: Clock Input A Pin 2: Clock Input B Pin 3: Reset Input Pin 4: Enable Input Pin 5: Output Q0 Pin 6: Output Q1 Pin 7: Output Q2 Pin 8: Output Q3 Pin 9: Ground (GND) Pin 10: Output Q3 Complement Pin 11: Output Q2 Complement Pin 12: Output Q1 Complement Pin 13: Output Q0 Complement Pin 14: Enable Output Pin 15: Carry Output Pin 16: VCC (Supply Voltage)

Functional Features

• Dual 4-bit binary counter with separate clock inputs
• Asynchronous reset and enable inputs for control
• Outputs provide both normal and complemented signals
• Carry output for cascading multiple counters

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient processing - Low power consumption helps in reducing energy usage - Wide operating voltage range provides flexibility in different applications - Compact package size saves space on circuit boards

Disadvantages: - Limited number of bits (4-bit) may not be suitable for complex applications requiring larger counters - CMOS logic family may have higher susceptibility to noise compared to other families

Working Principles

The MC14518BDW operates as a dual 4-bit binary counter. It counts up or down depending on the clock inputs and control signals. The outputs provide both normal and complemented signals, allowing for versatile use in various digital logic circuits. The asynchronous reset and enable inputs provide control over the counting process.

Detailed Application Field Plans

The MC14518BDW is commonly used in applications that require counting or sequencing operations. Some specific application fields include:

1. Digital frequency dividers
2. Event counters
3. Time delay generators
4. Sequence generators
5. Frequency synthesizers

Detailed and Complete Alternative Models

1. CD4018BE: Similar 4-bit binary counter IC with similar specifications and pin configuration.
2. SN74LS193: 4-bit synchronous up/down binary counter with additional features.
3. CD4518BE: Dual 4-bit decade counter with similar characteristics and pin configuration.

These alternative models can be considered based on specific requirements and compatibility with the overall system design.

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