Encyclopedia Entry: 74ABT374CSJ

Product Overview

Category

The 74ABT374CSJ belongs to the category of integrated circuits (ICs) and specifically falls under the group of flip-flops.

Use

This IC is commonly used in digital electronics for storing and manipulating binary data. It serves as an octal D-type flip-flop with a transparent latch.

Characteristics

• High-speed operation: The 74ABT374CSJ is designed to operate at high clock frequencies, making it suitable for applications requiring fast data transfer.
• Low power consumption: This IC is optimized for low power consumption, making it energy-efficient.
• Wide operating voltage range: It can operate within a wide voltage range, typically between 4.5V and 5.5V.
• Output drive capability: The 74ABT374CSJ has a high output drive capability, allowing it to drive various loads efficiently.

Package and Quantity

The 74ABT374CSJ is available in a small outline integrated circuit (SOIC) package. It is commonly sold in reels or tubes containing multiple units, with typical quantities ranging from 25 to 1000 units per package.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±24mA
• Propagation Delay: 3.5ns (max)
• Clock Frequency: Up to 200MHz

Pin Configuration

The 74ABT374CSJ has a total of 20 pins, which are assigned specific functions as follows:

1. D0: Data input 0
2. D1: Data input 1
3. D2: Data input 2
4. D3: Data input 3
5. D4: Data input 4
6. D5: Data input 5
7. D6: Data input 6
8. D7: Data input 7
9. GND: Ground
10. Q0: Output 0
11. Q1: Output 1
12. Q2: Output 2
13. Q3: Output 3
14. Q4: Output 4
15. Q5: Output 5
16. Q6: Output 6
17. Q7: Output 7
18. OE: Output enable
19. CP: Clock pulse input
20. VCC: Supply voltage

Functional Features

The 74ABT374CSJ offers the following functional features:

• Transparent latch: The IC has a transparent latch that allows data to be stored and updated while the clock signal is active.
• Octal flip-flop: It consists of eight individual flip-flops, each capable of storing one bit of data.
• Output enable control: The output enable (OE) pin enables or disables the outputs, providing flexibility in controlling data flow.

Advantages and Disadvantages

Advantages

• High-speed operation allows for efficient data transfer.
• Low power consumption makes it energy-efficient.
• Wide operating voltage range provides versatility in various applications.
• High output drive capability ensures compatibility with different loads.

Disadvantages

• Limited number of flip-flops (eight), which may not be sufficient for certain complex applications.
• Requires external clock signal for proper operation.

Working Principles

The 74ABT374CSJ operates based on the principles of digital logic. When the clock pulse is active, the data inputs are latched and stored in the flip-flops. The stored data can then be accessed from the output pins. The output enable pin controls the activation of the outputs, allowing for data flow control.

Application Field Plans

The 74ABT374CSJ finds applications in various fields, including:

1. Microprocessor systems: It can be used for temporary storage of data during processing.
2. Data communication: It facilitates data buffering and synchronization in communication systems.
3. Memory systems: It can be employed for address decoding and data storage in memory modules.
4. Control systems: It enables sequential logic operations in control circuits.

Alternative Models

Several alternative models with similar functionality to the 74ABT374CSJ include:

1. 74HC374: A CMOS-based octal D-type flip-flop with similar characteristics and pin configuration.
2. SN74LS374: A TTL-based octal D-type flip-flop offering comparable features and performance.
3. CD4013: A dual D-type flip-flop IC that can be cascaded to achieve similar functionality.

These alternative models provide options for users based on specific requirements and compatibility with existing systems.

In conclusion, the 74ABT374CSJ is a high-speed, low-power