SN74ALS573CDWRE4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Digital Logic
• Characteristics: Octal Transparent D-Type Latches with 3-State Outputs
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74ALS573CDWRE4 is a high-speed, low-power octal transparent latch designed for general-purpose storage applications in digital systems.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

Specifications

• Logic Family: ALS
• Number of Bits: 8
• Latch Type: Transparent
• Output Type: 3-State
• Operating Voltage Range: 4.5V to 5.5V
• Propagation Delay Time: 9 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALS573CDWRE4 has a total of 20 pins. The pin configuration is 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 (Power Supply)

Functional Features

• Octal transparent latch with 3-state outputs
• High-speed operation
• Low-power consumption
• Wide operating voltage range
• 3-state outputs allow multiple devices to share a common bus

Advantages and Disadvantages

Advantages

• High-speed operation enables efficient data storage and retrieval.
• Low-power consumption helps in reducing overall system power requirements.
• Wide operating voltage range allows for compatibility with various digital systems.
• 3-state outputs facilitate bus sharing among multiple devices.

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage capacity.
• The SOIC package may not be suitable for all PCB layouts, especially those with space constraints.

Working Principles

The SN74ALS573CDWRE4 operates as an octal transparent latch, which means that the input data is directly transferred to the outputs when the latch enable (LE) signal is high. When the output enable (OE) signal is low, the outputs are in the high-impedance state, allowing other devices to drive the shared bus. The latch remains transparent as long as the LE signal is high, enabling continuous data transfer.

Detailed Application Field Plans

The SN74ALS573CDWRE4 can be used in various digital systems where efficient data storage and retrieval is required. Some potential application fields include:

1. Microprocessors and microcontrollers
2. Data communication systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

1. SN74ALS574CDWRE4: Octal D-Type Flip-Flops with 3-State Outputs
2. SN74ALS373CDWRE4: Octal Transparent Latches with 3-State Outputs
3. SN74ALS541CDWRE4: Octal Buffers and Line Drivers with 3-State Outputs
4. SN74ALS573BDWRE4: Octal Transparent Latches with 3-State Outputs (DIP package)

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALS573CDWRE4 based on specific requirements and compatibility with the system design.

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