MC74ACT541DTR2G

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, octal buffer/line driver with 3-state outputs
• Package: TSSOP-20
• Essence: Logic level shifting and buffering
• Packaging/Quantity: Tape and Reel, 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
• Maximum Operating Frequency: 100MHz
• Number of Inputs/Outputs: 8
• Output Drive Capability: ±24mA
• Propagation Delay: 7ns (typical)

Detailed Pin Configuration

1. OE (Output Enable) - Active Low
2. A1 (Input A1)
3. B1 (Input B1)
4. A2 (Input A2)
5. B2 (Input B2)
6. A3 (Input A3)
7. B3 (Input B3)
8. GND (Ground)
9. B4 (Input B4)
10. A4 (Input A4)
11. B5 (Input B5)
12. A5 (Input A5)
13. B6 (Input B6)
14. A6 (Input A6)
15. B7 (Input B7)
16. A7 (Input A7)
17. VCC (Supply Voltage)
18. B8 (Input B8)
19. A8 (Input A8)
20. O1 to O8 (Outputs)

Functional Features

• Octal buffer/line driver with 3-state outputs
• Non-inverting outputs
• High-speed operation
• Compatible with TTL and CMOS logic levels
• Output current capability of ±24mA
• Power-up 3-state

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Compatibility with both TTL and CMOS logic levels provides versatility in design - Non-inverting outputs simplify circuit integration - Power-up 3-state feature ensures controlled output during power-up

Disadvantages: - Limited supply voltage range (4.5V to 5.5V) - Propagation delay of 7ns may not be suitable for ultra-high-speed applications

Working Principles

The MC74ACT541DTR2G is a logic level shifter that buffers and amplifies digital signals. It features eight inputs and eight outputs, with each output having a corresponding input. The device operates by receiving digital signals at the inputs and amplifying them to compatible logic levels. The non-inverting outputs provide an exact replica of the input signals, ensuring signal integrity.

The output enable (OE) pin controls the state of the outputs. When OE is low, the outputs are enabled and reflect the input signals. Conversely, when OE is high, the outputs are in a high-impedance state, effectively disconnecting them from the circuit.

Detailed Application Field Plans

The MC74ACT541DTR2G is commonly used in various applications where logic level shifting and buffering are required. Some potential application fields include:

1. Microcontroller interfacing: The IC can be used to interface microcontrollers with different logic voltage levels, allowing seamless communication between devices.
2. Data transmission systems: It can be employed in data transmission systems to ensure reliable signal propagation and compatibility between different logic families.
3. Memory address decoding: The IC can be utilized in memory address decoding circuits to amplify and buffer address signals, enabling accurate memory access.

Detailed and Complete Alternative Models

1. SN74ACT541: Similar octal buffer/line driver with 3-state outputs, offered by Texas Instruments.
2. CD74ACT541: Octal buffer/line driver with 3-state outputs, provided by Texas Instruments.
3. 74HCT541: Octal buffer/line driver with 3-state outputs, available from various manufacturers.

These alternative models offer similar functionality and can be considered as substitutes for the MC74ACT541DTR2G in different applications.

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