CD4043BDT

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Gates
• Characteristics: Quad 3-State NOR R/S Latch
• Package: DIP (Dual In-Line Package)
• Essence: The CD4043BDT is a quad 3-state NOR R/S latch IC that provides four independent latches with 3-state outputs. It is commonly used in digital electronics for various applications.
• Packaging/Quantity: The CD4043BDT is available in a 14-pin DIP package and is typically sold in quantities of one or more.

Specifications

The CD4043BDT has the following specifications:

• Supply Voltage Range: 3V to 18V
• High-Level Input Voltage: 2V to VDD
• Low-Level Input Voltage: 0V to 0.8V
• High-Level Output Voltage: VDD - 0.5V
• Low-Level Output Voltage: 0.1V
• Maximum Quiescent Supply Current: 10µA
• Maximum Operating Temperature: 70°C

Pin Configuration

The CD4043BDT has a 14-pin DIP package with the following pin configuration:

1. S1 (Set Input 1)
2. R1 (Reset Input 1)
3. Q1 (Output 1)
4. Q̅1 (Complementary Output 1)
5. S2 (Set Input 2)
6. R2 (Reset Input 2)
7. Q2 (Output 2)
8. Q̅2 (Complementary Output 2)
9. GND (Ground)
10. Q̅3 (Complementary Output 3)
11. Q3 (Output 3)
12. R3 (Reset Input 3)
13. S3 (Set Input 3)
14. VDD (Supply Voltage)

Functional Features

The CD4043BDT offers the following functional features:

• Quad 3-state NOR R/S latch
• Independent control of each latch
• 3-state outputs for each latch
• High noise immunity
• Wide supply voltage range
• Low power consumption

Advantages and Disadvantages

Advantages of using the CD4043BDT include:

• Versatile quad latch functionality
• Independent control of each latch allows for flexible circuit design
• 3-state outputs enable bus sharing and reduce conflicts
• High noise immunity ensures reliable operation in noisy environments
• Wide supply voltage range provides compatibility with various systems
• Low power consumption helps conserve energy

Disadvantages of the CD4043BDT include:

• Limited number of latches (four in total)
• DIP package may not be suitable for space-constrained applications
• Not suitable for high-speed applications due to propagation delay

Working Principles

The CD4043BDT operates based on the principles of NOR logic gates and latch circuits. It uses internal flip-flops to store and control data. The set (S) and reset (R) inputs allow users to manipulate the state of each latch. The 3-state outputs provide a high impedance state when disabled, allowing multiple devices to share a common bus without conflicts.

Detailed Application Field Plans

The CD4043BDT can be used in various digital electronic applications, including:

1. Data storage and transfer systems
2. Address decoding circuits
3. Bus interface units
4. Control and timing circuits
5. Multiplexers and demultiplexers
6. Logic level conversion circuits
7. General-purpose digital logic circuits

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the CD4043BDT include:

1. CD4042B: Quad 3-State NAND R/S Latch
2. CD4044B: Quad 3-State NOR R/S Latch with Set-Reset Capability
3. CD4045B: Quad 3-State NOR R/S Latch with Enable

These alternative models can be considered based on specific requirements and compatibility with the overall system design.

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