SN74AC74PWRE4

Product Overview

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

Specifications

• Supply Voltage Range: 2 V to 6 V
• High-Level Input Voltage: 2 V to VCC + 0.5 V
• Low-Level Input Voltage: -0.5 V to 0.8 V
• High-Level Output Current: -24 mA
• Low-Level Output Current: 24 mA
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The SN74AC74PWRE4 has a total of 14 pins arranged as follows:

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

Functional Features

• Dual D-Type Positive-Edge-Triggered Flip-Flop
• Each flip-flop can be independently set or cleared
• Positive-edge-triggered clock input
• Asynchronous reset (CLR) and preset (PRE) inputs
• Directly interfaces with TTL levels

Advantages

• Independent control of each flip-flop allows for flexible operation
• Positive-edge-triggered clock input ensures reliable timing synchronization
• Asynchronous reset and preset inputs provide additional control options
• Wide supply voltage range allows for compatibility with various systems
• Direct interface with TTL levels simplifies integration

Disadvantages

• Limited to positive-edge-triggered operation, may not be suitable for all applications requiring flip-flops
• TSSOP-14 package may require careful handling during assembly and soldering processes

Working Principles

The SN74AC74PWRE4 is a dual D-type positive-edge-triggered flip-flop. It operates based on the rising edge of the clock signal (CLK). The state of each flip-flop can be independently set or cleared using the asynchronous reset (CLR) and preset (PRE) inputs. The outputs (Q1 and Q2) represent the current state of the flip-flops.

Detailed Application Field Plans

The SN74AC74PWRE4 is commonly used in digital systems where sequential logic is required. Some potential application fields include:

1. Data storage and transfer systems
2. Counters and frequency dividers
3. State machines and control units
4. Address decoding and multiplexing circuits
5. Clock synchronization and distribution networks

Detailed and Complete Alternative Models

1. SN74AC74N: DIP-14 package, similar specifications and features
2. MC74AC74: SOIC-14 package, compatible functionality with minor variations
3. CD74AC74E: PDIP-14 package, comparable performance and pin configuration

These alternative models offer similar functionality and can be considered as substitutes for the SN74AC74PWRE4 depending on specific requirements and availability.

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