MM74C74MX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: 14-Pin SOIC (Small Outline Integrated Circuit)
• Essence: The MM74C74MX is a versatile flip-flop IC that can store and transfer binary information. It is widely used in digital electronics for various applications.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage: 2V to 6V
• Operating Temperature Range: -55°C to +125°C
• Logic Family: CMOS (Complementary Metal-Oxide-Semiconductor)
• Propagation Delay: 25ns (typical)
• Output Current: ±8mA
• Input Capacitance: 3pF (typical)

Detailed Pin Configuration

The MM74C74MX has a total of 14 pins, each serving a specific function:

1. CLR (Clear Input)
2. D (Data Input)
3. CLK (Clock Input)
4. Q (Output)
5. Q̅ (Complementary Output)
6. GND (Ground)
7. Q̅ (Complementary Output)
8. Q (Output)
9. VCC (Positive Power Supply)
10. D (Data Input)
11. CLK (Clock Input)
12. CLR (Clear Input)
13. NC (No Connection)
14. GND (Ground)

Functional Features

• Dual D-Type Flip-Flop: The MM74C74MX consists of two independent D-type flip-flops, allowing for simultaneous storage and transfer of data.
• Positive-Edge Triggered: The flip-flop triggers on the rising edge of the clock signal, ensuring accurate data transfer.
• Clear Input: The CLR input allows for the synchronous clearing of both flip-flops, resetting the outputs to a known state.
• Complementary Outputs: The Q and Q̅ outputs provide complementary binary signals, useful in various digital applications.

Advantages and Disadvantages

Advantages: - Versatile: The MM74C74MX can be used in a wide range of digital circuits due to its dual flip-flop design. - Compact Package: The 14-pin SOIC package offers a small footprint, making it suitable for space-constrained applications. - Low Power Consumption: Being a CMOS IC, the MM74C74MX consumes minimal power, enhancing energy efficiency.

Disadvantages: - Limited Output Current: The IC has a maximum output current of ±8mA, which may not be sufficient for certain high-current applications. - Propagation Delay: The typical propagation delay of 25ns may introduce timing issues in fast-paced circuits.

Working Principles

The MM74C74MX operates based on the principles of sequential logic. When the clock input (CLK) receives a rising edge, the data input (D) is transferred to the output (Q) and its complement (Q̅). The stored information remains unchanged until the next clock pulse triggers a new data transfer. The clear input (CLR) synchronously resets both flip-flops when activated.

Detailed Application Field Plans

The MM74C74MX finds extensive use in various digital systems, including but not limited to:

1. Counters and Registers: The flip-flop's ability to store binary information makes it ideal for constructing counters and registers in digital circuits.
2. Memory Units: It can be employed as a building block in memory units, such as shift registers and random access memories (RAMs).
3. Data Synchronization: The positive-edge triggering ensures synchronized data transfer, making it suitable for applications requiring precise timing.
4. Control Systems: The MM74C74MX can be utilized in control systems to store and update control signals.

Detailed and Complete Alternative Models

1. SN74LS74AN: Dual D-Type Positive-Edge-Triggered Flip-Flop IC from Texas Instruments.
2. CD4013BE: CMOS Dual D-Type Flip-Flop IC from Texas Instruments.
3. MC14013BCL: Dual D-Type Flip-Flop IC from ON Semiconductor.

These alternative models offer similar functionality and can be used as substitutes for the MM74C74MX in various applications.

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