SN74ABT573ADWR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latches with 3-State Outputs
• Characteristics:
  • High-speed operation
  • 3-state outputs for bus-oriented applications
  • Output drive capability: 15 LSTTL loads
  • Power-up 3-state
  • Latch-up performance exceeds 500 mA per JESD 17
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The SN74ABT573ADWR is a high-speed octal transparent latch with 3-state outputs, designed for bus-oriented applications.
• Packaging/Quantity: Tape and Reel, 2500 pieces per reel

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: 2.8ns (max)
• Output capacitance: 6pF (typ)

Detailed Pin Configuration

The SN74ABT573ADWR has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

• Octal transparent latch with 3-state outputs
• High-speed operation for efficient data transfer
• 3-state outputs allow multiple devices to share a common bus
• Power-up 3-state feature ensures outputs remain in high-impedance state during power-up

Advantages and Disadvantages

Advantages: - High-speed operation enables fast data transfer - 3-state outputs facilitate bus-oriented applications - Power-up 3-state feature prevents bus contention during power-up

Disadvantages: - Limited supply voltage range (4.5V to 5.5V) - Propagation delay time may affect timing-sensitive applications

Working Principles

The SN74ABT573ADWR 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 corresponding outputs (Q0-Q7). The output enable (OE) input controls the output state, allowing the outputs to be either active or in a high-impedance state.

Detailed Application Field Plans

The SN74ABT573ADWR is commonly used in various applications, including:

1. Data communication systems
2. Memory modules
3. Microprocessor-based systems
4. Industrial control systems
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74ABT573APW - PDIP (Plastic Dual-In-Line Package) version
2. SN74ABT573ADB - SSOP (Shrink Small Outline Package) version
3. SN74ABT573ADBR - SOIC package with reversed pin configuration

These alternative models offer similar functionality and can be used as replacements for the SN74ABT573ADWR in different package options.

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