CD4518BPWG4

Product Overview

Category

CD4518BPWG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in digital electronics applications for various purposes, including counting, timing, and control.

Characteristics

• CD4518BPWG4 is a 16-pin dual BCD up-counter.
• It operates on a wide voltage range, typically between 3V and 18V.
• The package type is PDIP (Plastic Dual In-Line Package).
• It is designed to be compatible with TTL (Transistor-Transistor Logic) inputs.

Package and Quantity

CD4518BPWG4 is available in a PDIP package. Each package contains one unit of the IC.

Specifications

• Supply Voltage Range: 3V to 18V
• Logic Family: CMOS (Complementary Metal-Oxide-Semiconductor)
• Number of Pins: 16
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 5MHz

Pin Configuration

The detailed pin configuration of CD4518BPWG4 is as follows:

| Pin No. | Name | Description | |---------|------|-------------| | 1 | A | Input A | | 2 | B | Input B | | 3 | C | Input C | | 4 | D | Input D | | 5 | GND | Ground | | 6 | Q0 | Output Q0 | | 7 | Q1 | Output Q1 | | 8 | Q2 | Output Q2 | | 9 | Q3 | Output Q3 | | 10 | MR | Master Reset| | 11 | CLK | Clock Input | | 12 | ENP | Enable P | | 13 | ENT | Enable T | | 14 | VDD | Supply Voltage | | 15 | NC | No Connection | | 16 | VSS | Ground |

Functional Features

CD4518BPWG4 offers the following functional features:

• Dual BCD up-counter with four outputs (Q0, Q1, Q2, Q3).
• Master Reset (MR) input for resetting the counter.
• Enable P (ENP) and Enable T (ENT) inputs for controlling the counting operation.
• Clock (CLK) input for triggering the counting process.
• Wide operating voltage range allows flexibility in various applications.

Advantages and Disadvantages

Advantages

• Versatile functionality suitable for a wide range of digital electronics applications.
• Compatible with TTL logic inputs, ensuring compatibility with existing systems.
• Wide supply voltage range provides flexibility in power supply options.
• Compact PDIP package allows for easy integration into circuit designs.

Disadvantages

• Limited maximum clock frequency (5MHz) may restrict its use in high-speed applications.
• Lack of internal oscillator requires an external clock source for operation.

Working Principles

CD4518BPWG4 operates as a dual BCD up-counter. It counts up from zero to nine in binary-coded decimal (BCD) format. The counting process is triggered by the clock input (CLK). The counter can be reset to zero using the master reset (MR) input. The enable P (ENP) and enable T (ENT) inputs control the counting operation.

Detailed Application Field Plans

CD4518BPWG4 finds applications in various fields, including but not limited to:

1. Digital clocks and timers: The IC can be used to implement timekeeping and timing functions in digital clock circuits.
2. Industrial control systems: It can be utilized for counting and control purposes in industrial automation systems.
3. Sequential logic circuits: CD4518BPWG4 can be employed to design sequential logic circuits, such as shift registers and counters.
4. Educational projects: The IC is commonly used in educational settings to teach digital electronics principles and circuit design.

Detailed Alternative Models

Some alternative models that offer similar functionality to CD4518BPWG4 include:

1. CD4518BE: This is a DIP package variant of the same IC.
2. CD4029B: A 16-pin up/down counter with presettable outputs.
3. CD74HC191E: A high-speed CMOS 4-bit synchronous up/down counter.

These alternative models can be considered based on specific requirements and availability.

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