CD4518 Dual BCD Up Counter IC (DIP-16 Package)

CD4518 Dual BCD Up Counter IC is a versatile and reliable CMOS integrated circuit designed for precise digital counting applications. Widely used in digital electronics, instrumentation, and embedded systems, the CD4518 contains two independent BCD (Binary Coded Decimal) up counters within a single package. Each counter is capable of counting from 0 to 9 and is ideal for building multi-digit counters, frequency meters, digital clocks, event counters, and display systems.

Manufactured using CMOS technology, the CD4518 IC offers low power consumption, high noise immunity, and wide operating voltage compatibility. Its dual counter configuration allows engineers and students to reduce component count, PCB space, and overall system cost while achieving accurate decimal counting. The IC is fully compatible with standard logic families and can easily interface with 7-segment display drivers, microcontrollers, and other digital circuits.

Key Features of CD4518 Dual BCD Up Counter IC

• Dual Independent BCD Up Counters
  Contains two separate 4-bit BCD counters, enabling two decimal digits of counting within a single IC.

• CMOS Low-Power Technology
  Ensures minimal power consumption, making it suitable for battery-powered and energy-efficient designs.

• Wide Operating Voltage Range
  Operates reliably from 3 V to 15 V, offering excellent flexibility across various digital systems.

• Synchronous Counting
  Provides accurate and glitch-free counting with well-defined clock transitions.

• Independent Clock Inputs
  Each counter has its own clock input, allowing independent or cascaded operation.

• Reset Capability
  Built-in reset pins allow counters to be cleared to zero at any time.

• High Noise Immunity
  CMOS architecture ensures stable performance even in electrically noisy environments.

• Cascadable Design
  Easily expandable for multi-digit decimal counters by cascading multiple ICs.

Specifications of CD4518 Dual BCD Up Counter IC

• IC Type: Dual BCD Up Counter

• Technology: CMOS

• Number of Counters: 2

• Count Range: 0 to 9 (per counter)

• Output Type: 4-bit BCD output (QA, QB, QC, QD)

• Operating Voltage (VDD): 3 V to 15 V

• Input Logic Levels: CMOS compatible

• Clock Type: Positive edge-triggered

• Reset Type: Asynchronous reset

• Maximum Clock Frequency: Up to 2 MHz (typical at 10 V)

• Operating Temperature Range: –40°C to +85°C

• Package Type: DIP-16 / SOIC-16 (varies by manufacturer)

• Power Consumption: Very low (CMOS standard)

Applications of CD4518 Dual BCD Up Counter IC

The CD4518 IC is widely used in both educational and commercial electronic applications due to its simplicity and reliability. Common applications include:

• Digital Clocks and Timers
  Used to count seconds, minutes, and hours when combined with display drivers.

• Event and Object Counters
  Ideal for counting pulses, objects on conveyors, or mechanical events.

• Frequency Counters
  Converts input pulses into readable decimal values.

• 7-Segment Display Systems
  Works seamlessly with BCD-to-7-segment decoder ICs such as CD4511.

• Industrial Control Systems
  Used in monitoring and automation systems requiring accurate counting.

• Embedded and Microcontroller Projects
  Acts as an external counter to offload counting tasks from the MCU.

• Educational and Training Kits
  Popular in electronics labs for teaching digital logic and counter concepts.

Why Choose the CD4518 Dual BCD Up Counter IC?

The CD4518 Dual BCD Up Counter IC stands out as a dependable choice for engineers, hobbyists, and students due to its dual-counter functionality, low power operation, and ease of integration. Its wide voltage range and robust CMOS design make it suitable for both modern and legacy systems. Whether you are designing a digital display, learning counter fundamentals, or building a reliable counting system, the CD4518 provides an efficient and cost-effective solution.

With proven performance and industry-standard compatibility, the CD4518 remains a preferred IC for decimal counting applications across diverse electronic projects.

Package Includes:

1 x CD4518 Dual BCD Up Counter IC (DIP-16 Package)

FAQ

1. Where can we buy this CD4518 Dual BCD Up Counter IC?

This product is available online https://aiiottech.in/product/cd4518-dual-bcd-up-counter-ic/ and also available at our store in Pudupakkam/Kelambakkam, Chennai-603103

2. When can I get this CD4518 Dual BCD Up Counter IC after placing the order?

RGRJ AIIoT TECHNOLOGIES will immediately ship and deliver the product within 1-3 working days.

Video Link: CD4518BE CMOS Dual Up-Counters