SN74AHCT573DBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent D-Type Latch with 3-State Outputs
• Characteristics:
  • High-speed CMOS technology
  • Low power consumption
  • Wide operating voltage range
  • 3-state outputs for bus-oriented applications
• Package: SSOP (Shrink Small Outline Package)
• Essence: The SN74AHCT573DBR 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 or transferred simultaneously.
• Packaging/Quantity: The SN74AHCT573DBR is typically sold in reels, with 2500 units per reel.

Specifications

• Supply Voltage Range: 4.5V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±24mA at 5V
• Propagation Delay Time: 6ns (typical)

Detailed Pin Configuration

The SN74AHCT573DBR has a total of 20 pins, which are arranged 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
• Data inputs are latched when the latch enable (LE) signal is high
• Outputs can be enabled or disabled using the output enable (OE) signal
• High-speed operation suitable for bus-oriented applications
• Low power consumption makes it ideal for portable devices

Advantages and Disadvantages

Advantages: - High-speed CMOS technology allows for fast data transfer - Wide operating voltage range provides flexibility in different applications - 3-state outputs enable easy bus sharing among multiple devices - Low power consumption helps conserve energy in battery-powered systems

Disadvantages: - Limited output drive capability may not be suitable for high-current applications - Propagation delay time of 6ns may introduce timing issues in certain designs

Working Principles

The SN74AHCT573DBR operates as an octal transparent latch, meaning that the data inputs are directly transferred to the outputs when the latch enable (LE) signal is high. The latch holds the data until a new set of inputs is provided.

The output enable (OE) signal controls whether the outputs are active or in a high-impedance state. When OE is low, the outputs are enabled and reflect the current state of the latch. When OE is high, the outputs are disabled and present a high-impedance state, allowing other devices to drive the bus.

Detailed Application Field Plans

The SN74AHCT573DBR is commonly used in various digital systems, including but not limited to:

1. Microcontrollers and microprocessors
2. Data storage systems
3. Communication devices
4. Industrial automation equipment
5. Automotive electronics

In these applications, the SN74AHCT573DBR can be used for data buffering, address decoding, bus sharing, and other functions that require storing and transferring multiple bits of data simultaneously.

Detailed and Complete Alternative Models

1. SN74AHCT574DBR: Octal D-Type Flip-Flop with 3-State Outputs
2. SN74AHCT541DBR: Octal Buffer/Line Driver with 3-State Outputs
3. SN74AHCT125DBR: Quad Bus Buffer Gates with 3-State Outputs
4. SN74AHCT138DBR: 3-Line to 8-Line Decoder/Demultiplexer with 3-State Outputs
5. SN74AHCT02DBR: Quadruple 2-Input Positive-NOR Gates

These alternative models offer similar functionality to the SN74AHCT573DBR and can be used as replacements in different applications.

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