CD4518BPWE4

Product Overview

Category

CD4518BPWE4 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

• CD4518BPWE4 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.
• CD4518BPWE4 is designed to be compatible with TTL inputs.

Package

The CD4518BPWE4 is available in a standard 16-pin TSSOP (Thin Shrink Small Outline Package) package.

Essence

The essence of CD4518BPWE4 lies in its ability to count binary-coded decimal (BCD) signals and provide accurate timing and counting functions in digital circuits.

Packaging/Quantity

CD4518BPWE4 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage: 3V to 18V
• Input Voltage: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 5MHz
• Maximum Counting Range: 0 to 99 (BCD)

Detailed Pin Configuration

1. Pin 1: Clock Input A
2. Pin 2: Clock Input B
3. Pin 3: Enable Input
4. Pin 4: Reset Input
5. Pin 5: Carry Output
6. Pin 6: BCD Output 1
7. Pin 7: BCD Output 2
8. Pin 8: BCD Output 3
9. Pin 9: BCD Output 4
10. Pin 10: Ground (GND)
11. Pin 11: BCD Output 5
12. Pin 12: BCD Output 6
13. Pin 13: BCD Output 7
14. Pin 14: BCD Output 8
15. Pin 15: VDD (Positive Power Supply)
16. Pin 16: Clock Input Carry

Functional Features

• CD4518BPWE4 can count up or down based on the clock inputs.
• It has a synchronous operation, ensuring accurate counting.
• The device offers an enable input for controlling the counting function.
• A reset input allows resetting the counter to zero.
• The carry output provides a signal when the maximum count is reached.

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 simplifies integration into existing systems.
• High-speed operation enables efficient counting and timing functions.

Disadvantages

• Limited counting range (0 to 99) restricts its use in certain applications requiring larger counts.
• The TSSOP package may require careful handling during soldering due to its small size.

Working Principles

CD4518BPWE4 operates based on the principle of binary-coded decimal counting. The clock inputs receive pulses that increment or decrement the counter depending on the selected mode. The enable input controls the counting function, while the reset input resets the counter to zero. The carry output indicates when the maximum count is reached.

Detailed Application Field Plans

CD4518BPWE4 finds applications in various digital circuits where accurate counting and timing functions are required. Some specific application fields include:

1. Digital clocks and timers
2. Frequency dividers
3. Industrial automation systems
4. Electronic games and toys
5. Automotive electronics

Detailed and Complete Alternative Models

1. CD4518BE: DIP (Dual In-line Package) version of CD4518BPWE4.
2. CD4518BNSR: SOIC (Small Outline Integrated Circuit) version with a narrower package.
3. CD4518BM96: Micro package version suitable for space-constrained applications.

These alternative models offer similar functionality to CD4518BPWE4 but may differ in package type and pin configuration.

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