SN74AC74PWG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Flip-Flop
• Characteristics: Dual D-Type Positive-Edge-Triggered Flip-Flop
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Digital Logic IC for storing and transferring binary data
• Packaging/Quantity: Available in reels, 2500 units 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: -24mA
• Low-Level Output Current: 24mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AC74PWG4 has a total of 14 pins, which are assigned as follows:

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

Functional Features

The SN74AC74PWG4 is a dual D-type positive-edge-triggered flip-flop integrated circuit. It is designed to store and transfer binary data in digital systems. The flip-flop operates on the rising edge of the clock signal, allowing data to be latched and stored in its internal memory. It offers complementary and true outputs for each flip-flop, providing flexibility in system design.

Advantages and Disadvantages

Advantages: - Dual flip-flop configuration allows for efficient use of space - Positive-edge triggering ensures reliable data storage - Wide supply voltage range enables compatibility with various systems - High-level output current capability facilitates driving external loads

Disadvantages: - Limited temperature range of -40°C to 85°C may restrict certain applications - TSSOP package may require careful handling during assembly

Working Principles

The SN74AC74PWG4 operates based on positive-edge triggering. When the clock input (CLK) transitions from LOW to HIGH, the data input (D) is sampled and stored in the flip-flop's internal memory. The stored data is then available at the complementary output (Q̅) and true output (Q). The state of the flip-flop can be cleared using the active LOW clear input (CLR) or set using the active LOW preset input (PR).

Detailed Application Field Plans

The SN74AC74PWG4 finds application in various digital systems where the storage and transfer of binary data are required. Some potential application fields include:

1. Microcontrollers: Used for storing and transferring control signals and data within microcontroller-based systems.
2. Communication Systems: Employed in data transmission and reception circuits to synchronize and store incoming data.
3. Digital Counters: Utilized to store and update count values in digital counter circuits.
4. Memory Modules: Integrated into memory modules to store address and control information.

Detailed and Complete Alternative Models

1. SN74AC74N: DIP (Dual In-line Package) version of the SN74AC74PWG4.
2. MC74AC74DG: SOIC (Small Outline Integrated Circuit) version with similar specifications.
3. CD74AC74E: PDIP (Plastic Dual In-line Package) version offering comparable functionality.

(Note: This is not an exhaustive list of alternative models. Please refer to the manufacturer's documentation for a complete list.)

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