Encyclopedia Entry: 74ACT573SJX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Storage and Transfer
• Characteristics: High-Speed, Octal Transparent Latch
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The 74ACT573SJX is a latch IC that allows for the storage and transfer of data in electronic systems.
• Packaging/Quantity: Available in reels or tubes, with varying quantities depending on manufacturer.

Specifications

• Logic Family: ACT
• Number of Bits: 8 (Octal)
• Latch Type: Transparent
• Operating Voltage: 2.0V to 6.0V
• Input/Output Compatibility: TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor)
• Propagation Delay: 5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ACT573SJX has a total of 20 pins, which are assigned specific functions as follows:

1. GND (Ground)
2. D0 (Data Input 0)
3. D1 (Data Input 1)
4. D2 (Data Input 2)
5. D3 (Data Input 3)
6. D4 (Data Input 4)
7. D5 (Data Input 5)
8. D6 (Data Input 6)
9. D7 (Data Input 7)
10. OE (Output Enable)
11. LE (Latch Enable)
12. Q0 (Latch Output 0)
13. Q1 (Latch Output 1)
14. Q2 (Latch Output 2)
15. Q3 (Latch Output 3)
16. Q4 (Latch Output 4)
17. Q5 (Latch Output 5)
18. Q6 (Latch Output 6)
19. Q7 (Latch Output 7)
20. VCC (Positive Power Supply)

Functional Features

• Transparent Latch: The 74ACT573SJX features a transparent latch design, allowing data to be stored and transferred while the latch is enabled.
• High-Speed Operation: With a propagation delay of just 5 ns, this IC ensures efficient data transfer in time-critical applications.
• Wide Operating Voltage Range: The 74ACT573SJX can operate within a voltage range of 2.0V to 6.0V, making it compatible with various electronic systems.
• Input/Output Compatibility: This IC supports both TTL and CMOS logic levels, enabling seamless integration with different circuitry.

Advantages and Disadvantages

Advantages: - High-speed operation facilitates quick data transfer. - Wide operating voltage range allows for compatibility with diverse systems. - Transparent latch design enables efficient storage and transfer of data.

Disadvantages: - Limited number of bits (8) may not be suitable for applications requiring larger data storage capacity. - Propagation delay, although minimal, may still impact time-sensitive operations.

Working Principles

The 74ACT573SJX operates based on the principle of transparent latching. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the latch outputs (Q0-Q7). The output enable (OE) input controls whether the latch outputs are active or in a high-impedance state. By manipulating these control inputs, the IC allows for the storage and transfer of data as required by the system.

Detailed Application Field Plans

The 74ACT573SJX finds application in various fields where data storage and transfer are essential. Some potential application areas include:

1. Microcontrollers: Used to interface with external memory or peripheral devices.
2. Digital Communication Systems: Facilitates data buffering and synchronization.
3. Industrial Automation: Enables efficient control and monitoring of processes.
4. Computer Networking: Supports data transmission between network components.
5. Test and Measurement Equipment: Provides temporary storage for acquired data.

Detailed and Complete Alternative Models

• 74HC573: Similar octal transparent latch IC, compatible with CMOS logic levels.
• 74LS573: Octal transparent latch IC compatible with TTL logic levels.
• CD74ACT573: Octal transparent latch IC from a different manufacturer.

Note: The above alternative models are provided as examples and may have slight variations in specifications and pin configuration.

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