SN74HCT74PWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: High-speed, CMOS technology
• Package: TSSOP-14
• Essence: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

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 SN74HCT74PWG4 has a total of 14 pins. The pin configuration is as follows:

1. CLR (Clear) - Clear input
2. D (Data) - Data input
3. CLK (Clock) - Clock input
4. PR (Preset) - Preset input
5. Q (Output) - Output
6. Q̅ (Complementary Output) - Complementary output
7. GND (Ground) - Ground
8. Q̅ (Complementary Output) - Complementary output
9. Q (Output) - Output
10. VCC (Positive Power Supply) - Positive power supply
11. D (Data) - Data input
12. CLK (Clock) - Clock input
13. PR (Preset) - Preset input
14. CLR (Clear) - Clear input

Functional Features

The SN74HCT74PWG4 is a dual D-type positive-edge-triggered flip-flop. It operates on high-speed CMOS technology, making it suitable for applications requiring fast data transfer. The flip-flop has a clear input (CLR) and a preset input (PR) for controlling the state of the outputs. It also has complementary outputs (Q and Q̅) for providing both normal and inverted outputs.

Advantages and Disadvantages

Advantages: - High-speed operation - CMOS technology provides low power consumption - Dual flip-flop allows for more versatile applications - Clear and preset inputs offer control over output states

Disadvantages: - Limited supply voltage range (2V to 6V) - Output current limitations (-4mA to 4mA)

Working Principles

The SN74HCT74PWG4 operates based on positive-edge-triggered flip-flop logic. When the clock input (CLK) transitions from low to high, the data input (D) is captured and stored in the flip-flop. The stored data is then available at the outputs (Q and Q̅). The clear input (CLR) and preset input (PR) can be used to force specific output states.

Detailed Application Field Plans

The SN74HCT74PWG4 is commonly used in various digital systems and applications, including:

1. Data storage and transfer systems
2. Counters and frequency dividers
3. State machines and sequential logic circuits
4. Control systems and microcontrollers
5. Communication systems and protocols

Detailed and Complete Alternative Models

1. SN74HC74PWG4: Similar to SN74HCT74PWG4 but operates on standard CMOS technology instead of HCT.
2. CD4013B: Dual D-type flip-flop with similar functionality but operates on different logic families.
3. MC74HC74A: Another alternative with dual D-type flip-flop functionality, operating on HC logic family.

These alternative models provide similar features and can be used as replacements for the SN74HCT74PWG4 in various applications.

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