SN74AHCT74QDRG4Q1

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, low-power consumption
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 2V to 5.5V
• High-Level Input Voltage: 2V to VCC
• Low-Level Input Voltage: GND to 0.8V
• High-Level Output Voltage: VCC - 0.6V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 100MHz
• Propagation Delay Time: 10ns
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AHCT74QDRG4Q1 has a total of 14 pins:

1. CLR (Clear) - Active LOW clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. Q (Output) - Complementary output
5. Q̅ (Output) - Non-complementary output
6. GND (Ground) - Ground reference
7. Q̅ (Output) - Non-complementary output
8. Q (Output) - Complementary output
9. VCC (Supply Voltage) - Positive power supply
10. PRE (Preset) - Active LOW preset input
11. D (Data) - Data input
12. CLK (Clock) - Clock input
13. CLR (Clear) - Active LOW clear input
14. GND (Ground) - Ground reference

Functional Features

The SN74AHCT74QDRG4Q1 is a dual D-type positive-edge-triggered flip-flop. It operates at high speed while consuming low power. The flip-flop has a clear input (CLR) and a preset input (PRE) for initialization purposes. The clock input (CLK) triggers the flip-flop to capture and store the data input (D). The complementary outputs (Q and Q̅) provide the inverted and non-inverted versions of the stored data.

Advantages and Disadvantages

Advantages: - High-speed operation - Low power consumption - Dual flip-flop configuration - Clear and preset inputs for initialization

Disadvantages: - Limited operating frequency (up to 100MHz) - Restricted voltage range (2V to 5.5V)

Working Principles

The SN74AHCT74QDRG4Q1 operates based on positive-edge triggering. When the clock input (CLK) transitions from LOW to HIGH, the flip-flop captures and stores the data input (D). The stored data is then available at the complementary outputs (Q and Q̅). The clear input (CLR) and preset input (PRE) allow for initialization of the flip-flop's state.

Detailed Application Field Plans

The SN74AHCT74QDRG4Q1 can be used in various applications, including but not limited to: - Digital communication systems - Microcontrollers and microprocessors - Data storage devices - Clock synchronization circuits - Control systems

Detailed and Complete Alternative Models

Some alternative models that can be considered as replacements for the SN74AHCT74QDRG4Q1 are: - CD4013BCN - Dual D-Type Flip-Flop - MC74HC74AN - Dual D Flip-Flop - 74LS74 - Dual D Flip-Flop with Preset and Clear

These alternative models offer similar functionality and can be used as drop-in replacements in many applications.

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