CD4518BPWR

Product Overview

Category

CD4518BPWR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics for various applications such as counters, timers, and frequency dividers.

Characteristics

• CD4518BPWR is a CMOS dual BCD up-counter.
• It operates at a wide voltage range of 3V to 18V.
• The device has a high-speed operation capability.
• It offers low power consumption.
• CD4518BPWR is designed to be compatible with TTL inputs.

Package

The CD4518BPWR is available in a small outline package (SOIC) with a width of 3.9mm.

Essence

The essence of CD4518BPWR lies in its ability to count binary-coded decimal (BCD) numbers and perform arithmetic operations.

Packaging/Quantity

This product is typically packaged in reels containing 2500 units.

Specifications

• Supply Voltage Range: 3V to 18V
• Logic Family: CMOS
• Number of Counters: 2
• Maximum Clock Frequency: 5MHz
• Operating Temperature Range: -55°C to +125°C

Detailed Pin Configuration

1. Clock Input A (Pin 14)
2. Clock Input B (Pin 13)
3. Reset Input (Pin 12)
4. Enable Input (Pin 11)
5. Carry Output (Pin 10)
6. BCD Outputs (Pins 9, 7, 6, 5)

Functional Features

• CD4518BPWR can count up or down depending on the input configuration.
• It has a synchronous operation mode, ensuring accurate counting.
• The device provides a carry output for cascading multiple counters.
• CD4518BPWR includes a reset input for clearing the counter to a specific value.
• It offers an enable input for controlling the counting operation.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows flexibility in various applications.
• Low power consumption makes it suitable for battery-powered devices.
• Compatibility with TTL inputs enables easy integration into existing systems.
• High-speed operation ensures efficient counting and timing functions.

Disadvantages

• Limited maximum clock frequency may restrict its use in high-frequency applications.
• The small outline package (SOIC) may require additional precautions during soldering.

Working Principles

CD4518BPWR operates based on the principles of binary-coded decimal (BCD) counting. It utilizes flip-flops and logic gates to perform the counting and arithmetic operations. The clock inputs control the counting direction, while the reset input clears the counter to a specific value. The enable input enables or disables the counting operation.

Detailed Application Field Plans

CD4518BPWR finds applications in various fields such as: 1. Digital clocks and timers 2. Frequency dividers 3. Industrial automation 4. Electronic games and toys 5. Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to CD4518BPWR are: 1. CD4510B: CMOS presettable up/down counter 2. CD4029B: CMOS presettable up/down counter 3. CD74HC191: High-speed CMOS synchronous up/down counter

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

In conclusion, CD4518BPWR is a versatile CMOS dual BCD up-counter used in digital electronics. Its wide voltage range, low power consumption, and high-speed operation make it suitable for various applications. However, limitations in maximum clock frequency and package size should be taken into account.