74ACTQ373SJ

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Octal Transparent Latch with 3-State Outputs
• Characteristics:
  • High-speed operation
  • Low power consumption
  • 3-state outputs for bus-oriented applications
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: This IC is designed to provide an octal transparent latch with 3-state outputs, making it suitable for various bus-oriented applications.
• Packaging/Quantity: Available in reels or tubes, with a quantity of 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
• Input Capacitance: 4pF
• Output Capacitance: 8pF
• Propagation Delay Time: 6ns (max)
• Output Current: ±24mA

Detailed Pin Configuration

The 74ACTQ373SJ IC has a total of 20 pins, which are assigned as follows:

1. D0 - Data input 0
2. D1 - Data input 1
3. D2 - Data input 2
4. D3 - Data input 3
5. D4 - Data input 4
6. D5 - Data input 5
7. D6 - Data input 6
8. D7 - Data input 7
9. GND - Ground
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 (D0-D7) are latched to the outputs (Q0-Q7) when the latch enable (LE) signal is high
• Outputs can be put in a high-impedance state by setting the output enable (OE) signal to high
• Suitable for bus-oriented applications where multiple devices share a common data bus

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Low power consumption helps conserve energy - 3-state outputs facilitate bus sharing among multiple devices

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

Working Principles

The 74ACTQ373SJ operates as an octal transparent latch with 3-state outputs. When the latch enable (LE) signal is high, the data inputs (D0-D7) are latched to the outputs (Q0-Q7). The outputs can be put in a high-impedance state by setting the output enable (OE) signal to high. This IC is designed to provide efficient data transfer and is commonly used in bus-oriented applications.

Detailed Application Field Plans

The 74ACTQ373SJ is widely used in various applications, including: - Microprocessor systems - Data storage systems - Communication equipment - Industrial control systems - Automotive electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74ACTQ373SJ include: - 74HC373: Octal D-type transparent latch with 3-state outputs - 74LS373: Octal D-type latch with 3-state outputs - SN74LVC373A: Octal transparent latch with 3-state outputs

These alternative models can be considered based on specific requirements and compatibility with the existing system.

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