Encyclopedia Entry: 74ABT620PW,118

Product Information Overview

Category: Integrated Circuit (IC)

Use: The 74ABT620PW,118 is a high-speed octal bus transceiver IC. It is designed to provide bidirectional communication between a data bus and a peripheral device or another data bus.

Characteristics: - High-speed operation - Bidirectional data transfer - Eight-bit wide data bus - TTL-compatible inputs and outputs - Output current drive capability - Low power consumption

Package: The 74ABT620PW,118 is available in a small outline integrated circuit (SOIC) package.

Essence: The essence of the 74ABT620PW,118 is its ability to facilitate efficient and reliable data transfer between different components of a digital system.

Packaging/Quantity: The 74ABT620PW,118 is typically sold in reels or tubes containing multiple units. The exact quantity may vary depending on the supplier.

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
• Maximum Data Rate: 200 MHz

Detailed Pin Configuration

The 74ABT620PW,118 has a total of 20 pins. The pin configuration is as follows:

1. OE (Output Enable)
2. A0 (Data Bus Bit 0)
3. A1 (Data Bus Bit 1)
4. A2 (Data Bus Bit 2)
5. A3 (Data Bus Bit 3)
6. A4 (Data Bus Bit 4)
7. A5 (Data Bus Bit 5)
8. A6 (Data Bus Bit 6)
9. A7 (Data Bus Bit 7)
10. GND (Ground)
11. B7 (Data Bus Bit 7)
12. B6 (Data Bus Bit 6)
13. B5 (Data Bus Bit 5)
14. B4 (Data Bus Bit 4)
15. B3 (Data Bus Bit 3)
16. B2 (Data Bus Bit 2)
17. B1 (Data Bus Bit 1)
18. B0 (Data Bus Bit 0)
19. VCC (Supply Voltage)
20. DIR (Direction Control)

Functional Features

• Bidirectional data transfer: The 74ABT620PW,118 allows data to be transferred in both directions between the A and B buses.
• Output enable control: The OE pin enables or disables the outputs, providing flexibility in controlling the data flow.
• TTL-compatible inputs and outputs: The IC is compatible with TTL logic levels, allowing seamless integration with other TTL-based components.
• High-speed operation: The 74ABT620PW,118 operates at a high data rate of up to 200 MHz, making it suitable for applications requiring fast data transfer.

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer. - Bidirectional communication facilitates versatile system design. - TTL compatibility ensures compatibility with existing systems. - Low power consumption helps conserve energy.

Disadvantages: - Limited number of data bus lines (8 bits) may not be sufficient for certain applications requiring larger data widths. - Requires careful consideration of signal integrity due to high-speed operation.

Working Principles

The 74ABT620PW,118 uses a combination of transistors and logic gates to facilitate bidirectional data transfer. When the direction control (DIR) input is set to a specific logic level, the IC determines the direction of data flow between the A and B buses. The output enable (OE) input controls whether the outputs are active or in a high-impedance state.

Detailed Application Field Plans

The 74ABT620PW,118 is commonly used in various digital systems that require bidirectional data transfer. Some of its application fields include: - Microprocessor-based systems - Data communication equipment - Industrial control systems - Test and measurement instruments - Automotive electronics

Detailed and Complete Alternative Models

• SN74ABT620: Similar octal bus transceiver IC from Texas Instruments.
• MC74ABT620: Octal bus transceiver IC from ON Semiconductor.
• CD74ABT620: Octal bus transceiver IC from Texas Instruments.

These alternative models offer similar functionality and can be used as substitutes for the 74ABT620PW,118 depending on specific requirements and availability.

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