Encyclopedia Entry: 74AC573PC

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data storage and transfer
• Characteristics: High-speed, octal transparent latch with 3-state outputs
• Package: DIP (Dual In-line Package)
• Essence: The 74AC573PC is a latch that can store and transfer data in electronic circuits.
• Packaging/Quantity: Typically sold in packs of 25 or 50 units.

Specifications

• Supply Voltage: 2V to 6V
• Input Voltage: 0V to VCC
• Output Voltage: 0V to VCC
• Operating Temperature: -40°C to +85°C
• Propagation Delay: 5ns (typical)
• Output Drive Capability: ±24mA

Detailed Pin Configuration

The 74AC573PC has a total of 20 pins. Here is the detailed pin configuration:

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
• Latch enable and output enable control for data storage and transfer
• High-speed operation with low power consumption
• Compatible with TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels
• Non-inverting outputs

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption - Compatibility with both TTL and CMOS logic levels enhances versatility - Non-inverting outputs simplify circuit design

Disadvantages: - Limited output drive capability compared to some other ICs - Requires careful consideration of voltage levels to ensure proper functioning

Working Principles

The 74AC573PC operates as an octal transparent latch. It can store data when the latch enable (LE) input is high, and transfer the stored data to the outputs when the output enable (OE) input is also high. The latch is transparent when LE is high, allowing the inputs to directly affect the outputs. When LE is low, the outputs are latched and hold their previous state.

Detailed Application Field Plans

The 74AC573PC is commonly used in various applications, including:

1. Microprocessor-based systems
2. Data buses and registers
3. Address decoding circuits
4. Memory interfacing
5. Control systems
6. Communication systems

Detailed and Complete Alternative Models

Some alternative models that serve similar functions to the 74AC573PC include:

1. 74HC573: High-speed CMOS version with similar pin configuration and functionality.
2. SN74LS373: TTL version with latch and 3-state outputs.
3. CD40174: CMOS version with hex D-type flip-flops.

These alternative models can be considered based on specific project requirements and compatibility with existing circuitry.

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