CD4042BDE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, CMOS Quad D-Type Latch
• Package: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Latching functionality for digital circuits
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 3V to 18V
• Logic Family: CMOS
• Number of Latches: 4
• Latch Type: D-Type
• Latch Output: Non-Inverting
• Propagation Delay: 15 ns (typical)
• Operating Temperature Range: -55°C to +125°C

Detailed Pin Configuration

The CD4042BDE4 IC has a total of 16 pins. The pin configuration is as follows:

1. Pin 1: Data Input (D1)
2. Pin 2: Clock Input (CLK1)
3. Pin 3: Enable Input (EN1)
4. Pin 4: Output (Q1)
5. Pin 5: Ground (GND)
6. Pin 6: Output (Q2)
7. Pin 7: Enable Input (EN2)
8. Pin 8: Clock Input (CLK2)
9. Pin 9: Data Input (D2)
10. Pin 10: Output (Q3)
11. Pin 11: Enable Input (EN3)
12. Pin 12: Clock Input (CLK3)
13. Pin 13: Data Input (D3)
14. Pin 14: Output (Q4)
15. Pin 15: Enable Input (EN4)
16. Pin 16: VCC (Positive Power Supply)

Functional Features

• Quad D-Type Latch: The CD4042BDE4 contains four independent D-type latches, allowing for the storage and transfer of digital data.
• Non-Inverting Outputs: The latch outputs are non-inverting, providing a direct representation of the input data.
• High-Speed Operation: With a typical propagation delay of 15 ns, this IC ensures efficient data transfer in high-speed digital systems.
• Wide Operating Voltage Range: The CD4042BDE4 can operate within a voltage range of 3V to 18V, making it compatible with various power supply configurations.

Advantages and Disadvantages

Advantages: - Multiple Latches: The presence of four independent latches in a single IC package allows for space-saving and simplified circuit design. - Non-Inverting Outputs: The non-inverting nature of the latch outputs eliminates the need for additional logic gates for signal inversion. - High-Speed Operation: The CD4042BDE4's fast propagation delay enables quick data transfer, suitable for time-critical applications.

Disadvantages: - Limited Output Current: The output current capability of each latch is limited, which may restrict its use in certain applications requiring higher current handling.

Working Principles

The CD4042BDE4 operates based on the principles of positive-edge-triggered D-type latches. When the clock input (CLK) receives a rising edge, the data input (D) is transferred to the corresponding output (Q). The enable input (EN) controls the latch operation, allowing or inhibiting data transfer. The latch remains in the last state when the enable input is low.

Detailed Application Field Plans

The CD4042BDE4 finds application in various digital systems where latching functionality is required. Some potential application fields include:

1. Data Storage Systems: The IC can be used to store and transfer data in memory units, registers, and data buffers.
2. Digital Communication: It can be employed in communication systems for signal synchronization, data buffering, and protocol handling.
3. Control Systems: The CD4042BDE4 can be utilized in control circuits to store and update control signals for various processes.
4. Clock Synchronization: It can be used in clock distribution networks to synchronize multiple clock signals.

Detailed and Complete Alternative Models

1. CD4042BE: This is the standard version of the CD4042BDE4, available in a 14-pin DIP (Dual Inline Package) format.
2. CD4042BM96: This model is similar to the CD4042BDE4 but comes in a smaller 14-pin SOIC package.
3. CD4042BCN: Another alternative, this IC is available in a 16-pin PDIP (Plastic Dual Inline Package) format.

These alternative models provide similar functionality to the CD4042BDE4 and can be chosen based on specific application requirements.

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