Encyclopedia Entry: 74ABT543CMSA

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-power consumption, bidirectional data transfer
• Package: Surface Mount Technology (SMT) package
• Essence: Transceiver
• Packaging/Quantity: Tape and Reel packaging, available in various quantities

Specifications

• Supply Voltage: 2.3V to 5.5V
• Logic Family: ABT
• Number of Channels: 8
• Input/Output Type: TTL/CMOS
• Data Rate: Up to 400 Mbps
• Propagation Delay: 4 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ABT543CMSA IC has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable) 1
2. A1 (Data Input/Output) 1
3. B1 (Data Input/Output) 1
4. GND (Ground)
5. B2 (Data Input/Output) 2
6. A2 (Data Input/Output) 2
7. OE (Output Enable) 2
8. VCC (Power Supply)
9. D1 (Data Input/Output) 1
10. D2 (Data Input/Output) 2
11. DIR (Direction Control)
12. GND (Ground)
13. C1 (Data Input/Output) 1
14. C2 (Data Input/Output) 2
15. GND (Ground)
16. F1 (Data Input/Output) 1
17. E1 (Data Input/Output) 1
18. OE (Output Enable) 3
19. E2 (Data Input/Output) 2
20. F2 (Data Input/Output) 2

Functional Features

• Bidirectional data transfer between two voltage domains
• High-speed operation with low propagation delay
• Output enable control for flexible data flow management
• TTL/CMOS compatible inputs and outputs
• Robust design with protection against bus contention and overvoltage

Advantages and Disadvantages

Advantages: - High-speed data transfer capability - Low power consumption - Compatibility with different logic families - Protection against bus contention and overvoltage

Disadvantages: - Limited number of channels (8 in this case) - Requires careful consideration of voltage levels and compatibility

Working Principles

The 74ABT543CMSA is a bidirectional transceiver IC that allows for the conversion of logic levels between two voltage domains. It operates by receiving data from one domain, converting it to the appropriate voltage level, and transmitting it to the other domain. The direction of data flow is controlled by the DIR pin. The output enable pins (OE) can be used to enable or disable the data transmission.

Detailed Application Field Plans

The 74ABT543CMSA IC finds applications in various fields where logic level shifting is required. Some of the common application areas include:

1. Communication systems
2. Data acquisition systems
3. Industrial automation
4. Automotive electronics
5. Consumer electronics

Detailed and Complete Alternative Models

There are several alternative models available in the market that offer similar functionality to the 74ABT543CMSA. Some notable alternatives include:

1. SN74LVC245A: Octal Bus Transceiver with 3-State Outputs
2. CD4508BCN: Dual 4-Bit Latch/4-to-8 Line Decoder
3. MC74VHC245DW: Octal Bus Transceiver with 3-State Outputs

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

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