MC74ACT373NG

Product Overview

• Category: Integrated Circuit
• Use: Data Storage and Transfer
• Characteristics: High-speed, Octal Transparent Latch with 3-State Outputs
• Package: DIP (Dual In-Line Package)
• Essence: The MC74ACT373NG is an octal transparent latch with 3-state outputs. It is designed to store and transfer data in high-speed digital systems.
• Packaging/Quantity: Available in tubes or reels, with a quantity of 25 per tube/reel.

Specifications

• Logic Family: ACT
• Number of Bits: 8
• Latch Type: Transparent
• Output Type: 3-State
• Operating Voltage: 2V to 6V
• Propagation Delay: 5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The MC74ACT373NG has a total of 20 pins. The pin configuration is 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 - Power Supply

Functional Features

• Octal transparent latch with 3-state outputs.
• Allows data to be stored and transferred in high-speed digital systems.
• Outputs can be disabled using the output enable (OE) pin.
• Latch enable (LE) pin controls the latching of data inputs.

Advantages and Disadvantages

Advantages

• High-speed operation suitable for fast digital systems.
• 3-state outputs provide flexibility in bus-oriented applications.
• Easy integration into existing digital circuits.
• Wide operating voltage range allows compatibility with various power supply levels.

Disadvantages

• Limited number of bits (8) may not be sufficient for certain applications requiring larger data storage.
• DIP package may not be suitable for space-constrained designs.

Working Principles

The MC74ACT373NG operates as an octal transparent latch, which means that the data inputs (D0-D7) are directly transferred to the outputs (Q0-Q7) when the latch enable (LE) input is high. The outputs can be enabled or disabled using the output enable (OE) input. When OE is low, the outputs are in a high-impedance state, allowing other devices to drive the bus lines.

Detailed Application Field Plans

The MC74ACT373NG is commonly used in various digital systems where data storage and transfer are required. Some specific application fields include:

1. Microprocessors and microcontrollers
2. Memory systems
3. Communication systems
4. Industrial automation
5. Automotive electronics

Detailed and Complete Alternative Models

1. SN74ACT373: Similar octal transparent latch with 3-state outputs, offered by Texas Instruments.
2. CD74ACT373: Octal transparent latch with 3-state outputs, available from ON Semiconductor.
3. 74HC373: Octal D-type transparent latch with 3-state outputs, manufactured by NXP Semiconductors.

These alternative models offer similar functionality and can be considered as substitutes for the MC74ACT373NG in various applications.

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