CD4029BE

Product Overview

• Category: Integrated Circuit (IC)
• Use: Binary Counter/Divider
• Characteristics: 4-bit synchronous binary up/down counter with parallel load
• Package: DIP-16 (Dual In-line Package, 16 pins)
• Essence: A versatile and widely used counter/divider IC
• Packaging/Quantity: Available in tubes or reels, typically sold in quantities of 25 or more

Specifications

• Supply Voltage Range: 3V to 18V
• Logic Family: CMOS (Complementary Metal-Oxide-Semiconductor)
• Maximum Clock Frequency: 12 MHz
• Operating Temperature Range: -55°C to +125°C
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS levels

Detailed Pin Configuration

The CD4029BE IC has a total of 16 pins. The pin configuration is as follows:

1. VCC: Positive power supply voltage
2. Q0: Least significant bit output
3. Q1: Second least significant bit output
4. Q2: Third least significant bit output
5. Q3: Most significant bit output
6. MR: Master Reset input (active low)
7. CP0: Clock Pulse input for the least significant bit
8. CP1: Clock Pulse input for the second least significant bit
9. CP2: Clock Pulse input for the third least significant bit
10. CP3: Clock Pulse input for the most significant bit
11. PL: Parallel Load input (active high)
12. UD: Up/Down control input
13. NC: No Connection
14. GND: Ground
15. TC: Terminal Count output (active high)
16. RC: Ripple Carry output

Functional Features

• Synchronous operation: All flip-flops within the IC are clocked simultaneously, ensuring accurate counting/dividing.
• Parallel load capability: Allows the user to preset the counter value using the parallel load input.
• Up/Down control: The direction of counting/dividing can be controlled using the up/down control input.
• Terminal Count output: Indicates when the counter reaches its maximum count value.
• Ripple Carry output: Provides a carry signal for cascading multiple CD4029BE ICs.

Advantages and Disadvantages

Advantages: - Versatile and widely used in various digital applications - Low power consumption due to CMOS technology - Easy to use with straightforward pin configuration - Can be easily cascaded for higher bit-count counters

Disadvantages: - Limited maximum clock frequency compared to some other counter ICs - Not suitable for high-speed applications requiring very fast counting rates

Working Principles

The CD4029BE is a synchronous counter/divider that operates based on the clock pulses received at the CP0-CP3 inputs. The counter advances or decreases by one count on each rising edge of the clock pulse, depending on the state of the Up/Down control input (UD). The parallel load input (PL) allows the user to preset the counter value by applying the desired binary code to the Q0-Q3 outputs. The terminal count output (TC) goes high when the counter reaches its maximum count value, while the ripple carry output (RC) provides a carry signal for cascading multiple CD4029BE ICs.

Detailed Application Field Plans

The CD4029BE IC finds applications in various digital systems, including:

1. Frequency division: Used as a frequency divider to generate lower frequency signals from high-frequency sources.
2. Event counting: Used to count events or pulses in applications such as traffic monitoring, industrial automation, and electronic gaming.
3. Digital displays: Utilized in digital clocks, timers, scoreboards, and other devices requiring numerical display functionality.
4. Sequential control: Employed in sequential logic circuits for controlling the sequence of operations in machines or systems.

Detailed and Complete Alternative Models

Some alternative models to the CD4029BE IC include:

1. CD4029B: Similar functionality but with different package options (e.g., SOIC, TSSOP)
2. 74HC4029: Equivalent IC from the 74HC series, compatible with TTL logic levels
3. CD4516: 4-bit synchronous binary up/down counter with parallel load and additional features like asynchronous reset

These alternative models offer similar functionalities and can be used as replacements for the CD4029BE in various applications.

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