SN74ACT573N

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latch with 3-State Outputs
• Characteristics:
  • High-speed operation
  • 3-state outputs for bus-oriented applications
  • Non-inverting outputs
  • Output drive capability: 15 LSTTL loads
• Package: DIP-20 (Dual In-Line Package with 20 pins)
• Essence: The SN74ACT573N is a latch IC that can store and output data in an octal format. It is commonly used in digital systems where multiple bits of data need to be stored and retrieved simultaneously.
• Packaging/Quantity: The SN74ACT573N is typically sold in tubes or reels, with quantities varying depending on the supplier.

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 Time: 6ns (max)
• Input Capacitance: 4pF (typ)

Pin Configuration

The SN74ACT573N 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: Output 0
13. Q1: Output 1
14. Q2: Output 2
15. Q3: Output 3
16. Q4: Output 4
17. Q5: Output 5
18. Q6: Output 6
19. Q7: Output 7
20. VCC: Supply voltage

Functional Features

• Octal transparent latch with 3-state outputs
• Non-inverting outputs for easy integration into digital systems
• High-speed operation allows for efficient data storage and retrieval
• Output enable (OE) pin enables/disables the outputs, making it suitable for bus-oriented applications
• Latch enable (LE) pin controls the latching of input data to the outputs

Advantages and Disadvantages

Advantages

• High-speed operation allows for quick data processing
• 3-state outputs facilitate bus-oriented applications
• Non-inverting outputs simplify system integration
• Wide supply voltage range ensures compatibility with various systems

Disadvantages

• Limited output drive capability compared to some other ICs
• Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74ACT573N operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) input is high, the data inputs (D0-D7) are transferred to the outputs (Q0-Q7). The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The SN74ACT573N can be used in various digital systems where multiple bits of data need to be stored and retrieved simultaneously. Some common application fields include:

1. Microprocessors and microcontrollers
2. Data storage systems
3. Communication systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

• SN74ACT373: Octal D-Type Transparent Latch with 3-State Outputs
• SN74ACT574: Octal D-Type Flip-Flop with 3-State Outputs
• SN74ACT573DWR: Surface Mount Octal Transparent Latch with 3-State Outputs

These alternative models offer similar functionality and can be used as substitutes for the SN74ACT573N in various applications.

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