CD4063BMT

Product Overview

Category

CD4063BMT belongs to the category of integrated circuits (ICs).

Use

The CD4063BMT is commonly used as a 4-bit magnitude comparator in various electronic devices and systems.

Characteristics

• The CD4063BMT is a CMOS-based IC, which ensures low power consumption and high noise immunity.
• It operates over a wide voltage range, typically from 3V to 18V.
• This IC has a compact package size, making it suitable for space-constrained applications.
• It offers excellent performance in terms of speed and accuracy.

Package

The CD4063BMT is available in a standard 14-pin small outline integrated circuit (SOIC) package.

Essence

The essence of CD4063BMT lies in its ability to compare two 4-bit binary numbers and determine their relative magnitudes.

Packaging/Quantity

The CD4063BMT 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 Range: 0V to VDD
• Operating Temperature Range: -55°C to +125°C
• Output Current: ±10mA
• Propagation Delay: 60ns (max)
• Power Dissipation: 10mW (max)

Detailed Pin Configuration

The CD4063BMT has a total of 14 pins, each serving a specific function:

1. A0: Input pin for the least significant bit (LSB) of the first 4-bit binary number.
2. A1: Input pin for the second bit of the first 4-bit binary number.
3. A2: Input pin for the third bit of the first 4-bit binary number.
4. A3: Input pin for the most significant bit (MSB) of the first 4-bit binary number.
5. B0: Input pin for the LSB of the second 4-bit binary number.
6. B1: Input pin for the second bit of the second 4-bit binary number.
7. B2: Input pin for the third bit of the second 4-bit binary number.
8. B3: Input pin for the MSB of the second 4-bit binary number.
9. CIN: Carry-in input pin for cascading multiple comparators.
10. EQ: Output pin indicating equality between the two input numbers.
11. A<B: Output pin indicating that the first number is less than the second number.
12. A=B: Output pin indicating that the first number is equal to the second number.
13. A>B: Output pin indicating that the first number is greater than the second number.
14. VDD: Positive power supply pin.
15. GND: Ground pin.

Functional Features

• The CD4063BMT performs a 4-bit magnitude comparison between two binary numbers.
• It provides three output pins (A<B, A=B, A>B) to indicate the relative magnitudes.
• The EQ pin indicates whether the two input numbers are equal.
• The CIN pin allows cascading multiple comparators for larger bit comparisons.
• The IC operates with low power consumption and high noise immunity due to its CMOS technology.

Advantages and Disadvantages

Advantages

• Low power consumption
• High noise immunity
• Wide operating voltage range
• Compact package size
• Fast propagation delay

Disadvantages

• Limited to 4-bit magnitude comparison
• Requires external circuitry for larger bit comparisons

Working Principles

The CD4063BMT compares the two 4-bit binary numbers applied to its input pins (A0-A3 and B0-B3). It internally performs a bit-by-bit comparison and generates the appropriate output signals (A<B, A=B, A>B) based on the relative magnitudes of the input numbers. The EQ pin indicates whether the two numbers are equal.

Detailed Application Field Plans

The CD4063BMT finds applications in various electronic systems where magnitude comparison is required. Some potential application fields include:

1. Digital arithmetic circuits
2. Microcontrollers and microprocessors
3. Data processing units
4. Communication systems
5. Control systems
6. Industrial automation

Detailed and Complete Alternative Models

• CD4063BE: DIP package version of CD4063BMT
• CD74HC85E: 4-bit magnitude comparator with similar functionality
• SN74LS85N: TTL-based 4-bit magnitude comparator

These alternative models offer similar features and can be used as substitutes for the CD4063BMT depending on specific requirements.

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