MC74VHC74DR2

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, dual D-type flip-flop
• Package: SOIC-14
• Essence: Reliable and efficient digital logic component
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2.0V to 5.5V
• High-Level Input Voltage: 2.0V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.5V
• Maximum Operating Frequency: 200 MHz
• Propagation Delay Time: 4.3 ns
• Set-up Time: 1.5 ns
• Hold Time: 0.6 ns

Detailed Pin Configuration

The MC74VHC74DR2 has a total of 14 pins, which are arranged as follows:

+---+--+---+ Q1 |1 +--+ 14| VCC Q2 |2 13| CLR D1 |3 12| D2 D2 |4 11| CLK GND |5 10| PRE CP |6 9| PRN Q1 |7 8| Q2 +----------+

Functional Features

• Dual D-type positive-edge-triggered flip-flop
• Direct clear (CLR) input for asynchronous reset
• Direct preset (PRE) input for asynchronous set
• Clock (CLK) input for triggering the flip-flop
• Complementary outputs (Q1 and Q2) for each flip-flop

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Reliable performance - Compact package size

Disadvantages: - Limited voltage supply range (2.0V to 5.5V) - Not suitable for high-frequency applications

Working Principles

The MC74VHC74DR2 is a dual D-type flip-flop that operates on positive-edge-triggered clock signals. The flip-flop stores data at the input (D1 and D2) when the clock signal transitions from low to high. The stored data can be cleared asynchronously using the clear (CLR) input or set asynchronously using the preset (PRE) input. The complementary outputs (Q1 and Q2) provide the inverted versions of the stored data.

Detailed Application Field Plans

The MC74VHC74DR2 is widely used in various digital systems and applications, including:

1. Microcontrollers and microprocessors
2. Communication systems
3. Data storage devices
4. Industrial automation
5. Automotive electronics
6. Consumer electronics

Its reliable performance, high-speed operation, and low power consumption make it suitable for a wide range of applications.

Detailed and Complete Alternative Models

1. SN74LV74A: Low-voltage, dual D-type flip-flop with similar specifications and pin configuration.
2. CD4013B: CMOS dual D-type flip-flop with higher operating frequency and wider voltage supply range.
3. 74HC74: High-speed CMOS dual D-type flip-flop with comparable characteristics and pin configuration.

These alternative models offer similar functionality and can be considered as substitutes for the MC74VHC74DR2 depending on specific requirements and availability.

In conclusion, the MC74VHC74DR2 is a reliable and efficient dual D-type flip-flop integrated circuit. Its high-speed operation, low power consumption, and compact package make it suitable for various digital applications. However, its limited voltage supply range and unsuitability for high-frequency applications are notable disadvantages. Alternative models such as SN74LV74A, CD4013B, and 74HC74 can be considered as substitutes.