CD4043BEG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gate
• Characteristics: Quad R/S Latch with 3-State Outputs
• Package: SOIC-16
• Essence: The CD4043BEG4 is a quad R/S latch with 3-state outputs, designed for general-purpose logic applications.
• Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

• Supply Voltage Range: 3V to 18V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Voltage: 15V
• Low-Level Output Voltage: 0.1V
• Maximum Quiescent Current: 10µA
• Maximum Operating Temperature: 125°C

Detailed Pin Configuration

The CD4043BEG4 has a total of 16 pins, which are assigned as follows:

1. S1 - Set input for latch 1
2. R1 - Reset input for latch 1
3. Q1 - Output for latch 1
4. Q̅1 - Complementary output for latch 1
5. S2 - Set input for latch 2
6. R2 - Reset input for latch 2
7. Q2 - Output for latch 2
8. Q̅2 - Complementary output for latch 2
9. GND - Ground
10. Q̅3 - Complementary output for latch 3
11. Q3 - Output for latch 3
12. R3 - Reset input for latch 3
13. S3 - Set input for latch 3
14. Q̅4 - Complementary output for latch 4
15. Q4 - Output for latch 4
16. VDD - Supply voltage

Functional Features

• Quad R/S Latch: The CD4043BEG4 consists of four independent R/S (Reset/Set) latches, allowing for multiple latch operations in a single IC.
• 3-State Outputs: The latch outputs can be put into a high-impedance state, enabling the sharing of output lines with other devices without interference.
• Schmitt Trigger Inputs: The inputs are equipped with Schmitt trigger circuitry, providing hysteresis and improving noise immunity.

Advantages and Disadvantages

Advantages: - Versatile Logic Functionality: The CD4043BEG4 offers flexible logic operations with its quad R/S latch design. - 3-State Outputs: The ability to put the outputs in a high-impedance state allows for efficient sharing of output lines. - Schmitt Trigger Inputs: The Schmitt trigger circuitry enhances noise immunity and signal integrity.

Disadvantages: - Limited Voltage Range: The supply voltage range is limited to 3V to 18V, which may not be suitable for all applications. - Package Size: The SOIC-16 package may require additional space compared to smaller package options.

Working Principles

The CD4043BEG4 operates based on the principles of digital logic. Each R/S latch within the IC can be set or reset using the respective inputs. The latch outputs reflect the current state of the latch inputs. The 3-state outputs allow the outputs to be disconnected from the external circuit when necessary.

Detailed Application Field Plans

The CD4043BEG4 finds applications in various fields, including:

1. Data Storage Systems: Used for latch-based data storage and retrieval in memory systems.
2. Communication Systems: Employed in signal routing and multiplexing circuits.
3. Control Systems: Utilized for latch-based control and sequencing operations.
4. Test and Measurement Equipment: Integrated into test circuits for signal manipulation and analysis.

Detailed and Complete Alternative Models

1. CD4042BEG4: Quad D-Type Latch with 3-State Outputs
2. CD4044BEG4: Quad Cross-Coupled R/S Flip-Flop
3. CD4045BEG4: Quad Exclusive-OR/NOR Gate
4. CD4046BEG4: Phase-Locked Loop (PLL) with VCO

These alternative models offer similar functionality to the CD4043BEG4, catering to different application requirements.

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