SN74AC573PWRG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latch with 3-State Outputs
• Characteristics: High-speed, low-power consumption, and compatibility with TTL inputs
• Package: TSSOP-20
• Essence: The SN74AC573PWRG4 is a latch IC that can store and output data in an octal configuration.
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage Range: 2 V to 6 V
• High-Level Input Voltage: 2 V to VCC
• Low-Level Input Voltage: GND to 0.8 V
• High-Level Output Current: -24 mA
• Low-Level Output Current: 24 mA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74AC573PWRG4 has a TSSOP-20 package with the following pin configuration:

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

Functional Features

The SN74AC573PWRG4 is designed to store and output data in an octal configuration. It features a transparent latch design, allowing the inputs to be latched when the latch enable (LE) signal is high. The latch outputs can be enabled or disabled using the output enable (OE) signal. This IC operates at high speed, making it suitable for applications that require fast data storage and retrieval.

Advantages and Disadvantages

Advantages: - High-speed operation - Low-power consumption - Compatibility with TTL inputs - Octal configuration for efficient data storage

Disadvantages: - Limited number of latch bits (8 in this case) - Requires external control signals for proper operation

Working Principles

The SN74AC573PWRG4 works based on the principle of transparent latching. When the latch enable (LE) signal is high, the inputs are transparently transferred to the latch outputs. The latch outputs retain their state until the next transition of the latch enable signal. The output enable (OE) signal can be used to enable or disable the latch outputs. When the OE signal is high, the latch outputs are enabled and can drive external circuitry. Conversely, when the OE signal is low, the latch outputs are disabled and enter a high-impedance state.

Detailed Application Field Plans

The SN74AC573PWRG4 is commonly used in various applications that require data storage and retrieval. Some of the typical application fields include:

1. Microprocessor-based systems
2. Data communication systems
3. Memory modules
4. Industrial automation
5. Test and measurement equipment

Detailed and Complete Alternative Models

1. SN74AC373: Octal Transparent D-Type Latch with 3-State Outputs
2. SN74HC573: Octal D-Type Transparent Latch with 3-State Outputs
3. SN74LS573: Octal D-Type Transparent Latch with 3-State Outputs
4. SN74ACT573: Octal Transparent D-Type Latch with 3-State Outputs

These alternative models offer similar functionality to the SN74AC573PWRG4 and can be considered as alternatives based on specific requirements.

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