Encyclopedia Entry: 74ACT374SJX

Product Overview

Category

The 74ACT374SJX belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in digital electronic systems for data storage and transfer applications.

Characteristics

• The 74ACT374SJX is a flip-flop latch with eight D-type transparent latches.
• It operates on a wide voltage range, typically between 2V and 6V.
• This IC offers high-speed performance and low power consumption.
• It is designed to be compatible with TTL (Transistor-Transistor Logic) inputs and outputs.
• The 74ACT374SJX has a compact size and is available in a small outline package (SOP).

Package and Quantity

The 74ACT374SJX is packaged in a 20-pin small outline package (SOP). It is typically sold in reels or tubes containing multiple units.

Specifications

• Supply Voltage Range: 2V to 6V
• High-Level Input Voltage: 2V to VCC + 0.5V
• Low-Level Input Voltage: -0.5V to 0.8V
• High-Level Output Voltage: VCC - 0.5V
• Low-Level Output Voltage: 0.4V
• Maximum Operating Frequency: 125 MHz

Pin Configuration

The pin configuration of the 74ACT374SJX is as follows:

┌───┐ D0 ─┤1 20├─ VCC D1 ─┤2 19├─ D7 D2 ─┤3 18├─ GND D3 ─┤4 17├─ Q7 D4 ─┤5 16├─ Q6 D5 ─┤6 15├─ Q5 D6 ─┤7 14├─ Q4 GND ─┤8 13├─ Q3 CLK ─┤9 12├─ Q2 OE ─┤10 11├─ Q1 └───┘

Functional Features

The 74ACT374SJX offers the following functional features:

• Eight D-type transparent latches for data storage and transfer.
• High-speed operation, making it suitable for time-critical applications.
• Transparent latch design allows real-time data updates.
• Compatibility with TTL inputs and outputs simplifies integration into existing systems.
• Low power consumption helps conserve energy in electronic devices.

Advantages and Disadvantages

Advantages

• High-speed performance enables efficient data processing.
• Compatibility with TTL ensures easy integration with existing systems.
• Low power consumption helps prolong battery life in portable devices.

Disadvantages

• Limited voltage range (2V to 6V) may not be suitable for all applications.
• The small outline package (SOP) may require additional precautions during handling and soldering.

Working Principles

The 74ACT374SJX operates based on the principles of flip-flop latches. It stores and transfers data using eight D-type transparent latches. When the clock input (CLK) is triggered, the data present at the D0-D7 inputs is transferred to the corresponding Q0-Q7 outputs. The output enable (OE) pin controls the output state, allowing the latched data to be read or held.

Application Field Plans

The 74ACT374SJX finds applications in various digital electronic systems, including:

1. Microcontrollers and microprocessors
2. Data storage devices
3. Communication systems
4. Industrial automation
5. Automotive electronics

Alternative Models

Here are some alternative models that can be used as substitutes for the 74ACT374SJX:

1. 74HC374: Similar functionality, but operates at a lower voltage range (2V to 6V).
2. 74LS374: Compatible with TTL inputs and outputs, but has slower operation speed.
3. 74F374: Offers faster operation speed, but consumes more power.

These alternative models provide similar functionalities and can be chosen based on specific application requirements.

In conclusion, the 74ACT374SJX is a versatile integrated circuit commonly used for data storage and transfer applications in digital electronic systems. Its high-speed performance, low power consumption, and compatibility with TTL make it a popular choice among designers.