CD74HC374M

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-Speed, Octal D-Type Transparent Latch
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: A versatile latch used for storing and transferring data in digital systems.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V
• Low-Level Input Voltage: 0.8V
• High-Level Output Current: -5.2mA
• Low-Level Output Current: 5.2mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The CD74HC374M has a total of 20 pins, which are arranged as follows:

1. Pin 1: Data Input (D0)
2. Pin 2: Data Input (D1)
3. Pin 3: Data Input (D2)
4. Pin 4: Data Input (D3)
5. Pin 5: Data Input (D4)
6. Pin 6: Data Input (D5)
7. Pin 7: Data Input (D6)
8. Pin 8: Data Input (D7)
9. Pin 9: Clock Input (CP)
10. Pin 10: Clock Enable Input (CE)
11. Pin 11: Output Enable Input (OE)
12. Pin 12: Master Reset Input (MR)
13. Pin 13: Output (Q0)
14. Pin 14: Output (Q1)
15. Pin 15: Output (Q2)
16. Pin 16: Output (Q3)
17. Pin 17: Output (Q4)
18. Pin 18: Output (Q5)
19. Pin 19: Output (Q6)
20. Pin 20: Output (Q7)

Functional Features

The CD74HC374M is a high-speed octal D-type transparent latch that can store and transfer data in digital systems. It operates on a wide supply voltage range of 2V to 6V, making it suitable for various applications. The latch has separate clock (CP), clock enable (CE), output enable (OE), and master reset (MR) inputs, providing flexibility in controlling the data flow.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - Versatile latch suitable for a wide range of digital applications. - Wide supply voltage range provides flexibility in system design.

Disadvantages: - Limited output current capacity may restrict its use in certain high-power applications. - Requires careful handling and static discharge precautions due to its integrated circuit nature.

Working Principles

The CD74HC374M works by latching and storing data based on the clock input (CP). When the clock enable (CE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7) when a rising edge is detected on the clock input. The output enable (OE) input controls the state of the outputs, enabling or disabling their functionality. The master reset (MR) input resets all outputs to a low state when activated.

Detailed Application Field Plans

The CD74HC374M finds applications in various digital systems where data storage and transfer are required. Some specific application fields include:

1. Microcontrollers: Used for storing and transferring data between different components of a microcontroller.
2. Communication Systems: Enables data buffering and synchronization in communication protocols.
3. Memory Modules: Facilitates data storage and retrieval in memory modules.
4. Data Processing Units: Used for temporary data storage and transfer within data processing units.
5. Industrial Automation: Enables control and synchronization of data in industrial automation systems.

Detailed and Complete Alternative Models

1. SN74HC374: Similar octal D-type transparent latch with a wider supply voltage range (2V to 6.7V).
2. CD4013B: Dual D-type flip-flop with set and reset inputs, suitable for more complex data manipulation.
3. MC74HC573A: Octal transparent latch with 3-state outputs, allowing multiple devices to share a common bus.

These alternative models offer similar functionality to the CD74HC374M but may have different specifications or additional features to suit specific application requirements.

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