CD74AC573M96E4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: High-speed, Octal Transparent D-Type Latch with 3-State Outputs
• Package: 20-pin SOIC (Small Outline Integrated Circuit)
• Essence: The CD74AC573M96E4 is a latch IC that can store and output digital data. It is commonly used in various digital systems for data storage and transfer.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2V to 6V
• High-Speed Operation: 24MHz typical clock frequency
• Output Drive Capability: ±24mA at 5V
• Operating Temperature Range: -40°C to +85°C
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The CD74AC573M96E4 has a total of 20 pins, which are assigned specific functions as follows:

1. LE (Latch Enable) - Active high input used to enable/disable the latch operation.
2. D0-D7 (Data Inputs) - Eight individual inputs for storing data.
3. Q0-Q7 (Data Outputs) - Eight individual outputs for retrieving stored data.
4. OE (Output Enable) - Active low input used to enable/disable the output buffers.
5. GND (Ground) - Common ground reference for the IC.
6. Q7' (Complementary Output) - Complementary output of Q7.
7. VCC (Supply Voltage) - Positive supply voltage input.

Functional Features

• Octal Latching: The CD74AC573M96E4 can latch and store eight bits of digital data simultaneously.
• Transparent Operation: When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7).
• 3-State Outputs: The outputs can be put into a high-impedance state by activating the output enable (OE) input, allowing multiple devices to share a common bus.
• High-Speed Operation: With a typical clock frequency of 24MHz, the CD74AC573M96E4 is suitable for high-speed digital systems.

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer. - 3-state outputs enable easy bus sharing among multiple devices. - Wide supply voltage range provides flexibility in various applications.

Disadvantages: - Limited storage capacity of eight bits. - Requires external control signals for proper operation.

Working Principles

The CD74AC573M96E4 operates based on the principles of latch-based storage. When the latch enable (LE) input is high, the data inputs (D0-D7) are latched and stored internally. The stored data can then be retrieved from the outputs (Q0-Q7). The output enable (OE) input controls the state of the outputs, allowing them to be either active or in a high-impedance state.

Detailed Application Field Plans

The CD74AC573M96E4 finds application in various digital systems where data storage and transfer are required. Some specific application fields include:

1. Microcontrollers: Used for storing and transferring data between the microcontroller and other peripheral devices.
2. Communication Systems: Enables data buffering and transfer in communication protocols such as UART, SPI, and I2C.
3. Memory Modules: Facilitates data storage and retrieval in memory modules like RAM and ROM.
4. Data Acquisition Systems: Helps in capturing and storing analog or digital data from sensors and transducers.

Detailed and Complete Alternative Models

1. SN74AC573: Similar octal transparent latch IC with 3-state outputs, offered by Texas Instruments.
2. MC74AC573: Octal D-type latch IC with 3-state outputs, manufactured by ON Semiconductor.
3. CD54AC573: High-speed octal transparent latch IC with 3-state outputs, produced by Texas Instruments.

(Note: The above alternative models are provided for reference and may have slight variations in specifications and pin configuration.)

This entry provides an overview of the CD74AC573M96E4, including its product details, specifications, pin configuration, functional features, advantages, disadvantages, working principles, application field plans, and alternative models.