CD4518BPW

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Up/Down Counter
• Characteristics: High-speed, low-power consumption
• Package: PDIP (Plastic Dual In-line Package)
• Essence: CMOS Logic IC
• Packaging/Quantity: Tube packaging, 25 pieces per tube

Specifications

• Supply Voltage: 3V to 18V
• Logic Family: CMOS
• Number of Pins: 16
• Operating Temperature Range: -55°C to +125°C
• Maximum Clock Frequency: 6 MHz
• Counting Modes: Up, Down, Up/Down

Detailed Pin Configuration

1. VDD: Positive Power Supply
2. CLK: Clock Input
3. UP/DN: Up/Down Control Input
4. RCO: Ripple Carry Output
5. GND: Ground
6. Q0-Q3: Counter Outputs
7. MR: Master Reset Input
8. CE: Count Enable Input
9. TC: Terminal Count Output
10. RC: Reset Count Input
11. CARRY-IN: Carry-In Input
12. CARRY-OUT: Carry-Out Output
13. Q4-Q7: Counter Outputs
14. Q8-Q11: Counter Outputs
15. Q12-Q15: Counter Outputs
16. VSS: Negative Power Supply

Functional Features

• Binary up/down counter with synchronous clock input
• Can count up or down based on the control input
• Ripple carry output for cascading multiple counters
• Terminal count output indicates when maximum count is reached
• Master reset input for resetting the counter
• Count enable input for enabling or disabling counting

Advantages and Disadvantages

Advantages

• High-speed operation
• Low power consumption
• Wide operating voltage range
• Versatile counting modes (up, down, up/down)
• Ripple carry output for cascading multiple counters

Disadvantages

• Limited maximum clock frequency (6 MHz)
• Limited number of counter outputs (16)

Working Principles

The CD4518BPW is a CMOS logic IC that functions as a binary up/down counter. It operates based on the clock input and the control input (UP/DN). When the control input is high, the counter counts up on each rising edge of the clock signal. Conversely, when the control input is low, the counter counts down. The counter has multiple outputs that represent the current count value.

Detailed Application Field Plans

The CD4518BPW can be used in various applications that require counting functionality. Some potential application fields include:

1. Digital frequency dividers
2. Industrial automation systems
3. Electronic voting machines
4. Traffic light controllers
5. Event timing circuits
6. Sequential logic circuits
7. Frequency synthesizers
8. Robotics and control systems

Detailed and Complete Alternative Models

1. CD4518BE: DIP (Dual In-line Package) version of CD4518BPW
2. CD4518BNSR: SOIC (Small Outline Integrated Circuit) version of CD4518BPW
3. CD74HC4518E: High-Speed CMOS Logic version of CD4518BPW
4. SN74LS192N: TTL (Transistor-Transistor Logic) version of CD4518BPW

These alternative models offer similar functionality but may have different package types or logic families.

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