SN74HCT74DE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power, dual D-type positive-edge-triggered flip-flop
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Reliable and efficient digital logic component
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Current: -4mA
• Low-Level Output Current: 4mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74HCT74DE4 has a total of 14 pins, which are numbered as follows:

1. CLR (Clear) - Active LOW input for clearing the flip-flop
2. D (Data) - Data input for the flip-flop
3. CLK (Clock) - Clock input for triggering the flip-flop
4. Q (Output) - Complementary output of the flip-flop
5. Q̅ (Complementary Output) - Non-inverted output of the flip-flop
6. GND (Ground) - Ground reference for the IC
7. Q̅ (Complementary Output) - Non-inverted output of the flip-flop
8. Q (Output) - Complementary output of the flip-flop
9. VCC (Supply Voltage) - Positive supply voltage for the IC
10. D (Data) - Data input for the flip-flop
11. CLR (Clear) - Active LOW input for clearing the flip-flop
12. CLK (Clock) - Clock input for triggering the flip-flop
13. GND (Ground) - Ground reference for the IC
14. VCC (Supply Voltage) - Positive supply voltage for the IC

Functional Features

• Dual D-type positive-edge-triggered flip-flop
• High-speed operation with low power consumption
• Clear input for resetting the flip-flop to a known state
• Clock input for synchronizing the data transfer
• Complementary outputs for versatile logic applications

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data processing - Low-power consumption reduces energy requirements - Dual flip-flop configuration provides flexibility in circuit design - Clear input enables easy initialization of the flip-flop

Disadvantages: - Limited voltage range of 2V to 6V may restrict certain applications - SOIC package may not be suitable for all circuit layouts - Lack of additional features compared to more advanced flip-flop models

Working Principles

The SN74HCT74DE4 is a dual D-type positive-edge-triggered flip-flop. It operates by storing and transferring data based on the rising edge of the clock signal. The data input (D) is latched into the flip-flop when the clock input (CLK) transitions from LOW to HIGH. The complementary outputs (Q and Q̅) reflect the stored data, providing both inverted and non-inverted signals.

Detailed Application Field Plans

The SN74HCT74DE4 can be used in various digital logic applications, including but not limited to: - Sequential logic circuits - Data storage and transfer systems - Clock synchronization modules - Counter and frequency divider circuits - State machine implementations

Detailed and Complete Alternative Models

1. SN74HCT74N: Similar to SN74HCT74DE4 but available in a DIP (Dual In-line Package) format.
2. MC74HCT74A: Alternative flip-flop with improved noise immunity and wider voltage range.
3. CD4013BE: Dual D-type flip-flop with complementary outputs, suitable for CMOS applications.

These alternative models offer similar functionality to the SN74HCT74DE4 and can be considered based on specific requirements and availability.

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