Encyclopedia Entry: 74ABT648PW,118

Product Overview

Category

The 74ABT648PW,118 belongs to the category of integrated circuits (ICs) and specifically falls under the family of ABT series ICs.

Use

This IC is commonly used in digital systems for data transmission and signal routing applications. It acts as an octal bus transceiver with non-inverting 3-state outputs.

Characteristics

• Non-inverting 3-state outputs
• Wide operating voltage range: 4.5V to 5.5V
• High-speed operation: 10ns propagation delay
• Low power consumption
• ESD protection: HBM JESD22-A114E exceeds 2000 V

Package

The 74ABT648PW,118 is available in a TSSOP (Thin Shrink Small Outline Package) package. This package offers a compact size and allows for easy integration into various electronic systems.

Essence

The essence of the 74ABT648PW,118 lies in its ability to provide bidirectional communication between two buses. It enables efficient data transfer and signal routing within digital systems.

Packaging/Quantity

The 74ABT648PW,118 is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer and 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
• Number of Channels: 8
• Logic Family: ABT
• Logic Type: Transceiver
• Output Type: 3-State
• Propagation Delay: 10ns (typical)
• Input/Output Compatibility: TTL, CMOS

Detailed Pin Configuration

The 74ABT648PW,118 has a total of 20 pins. The pin configuration is as follows:

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

Functional Features

The 74ABT648PW,118 offers the following functional features:

1. Bidirectional Data Transfer: It allows data to be transmitted bidirectionally between two buses, A and B.
2. Non-Inverting Outputs: The IC provides non-inverting 3-state outputs, ensuring compatibility with various digital systems.
3. Output Enable Control: The OE pin enables or disables the outputs, allowing for efficient control of data transmission.
4. Direction Control: The DIR pin determines the direction of data flow between the A and B buses.

Advantages and Disadvantages

Advantages

• High-speed operation enables fast data transfer.
• Wide operating voltage range allows for compatibility with different power supply systems.
• Non-inverting outputs ensure signal integrity.
• Low power consumption contributes to energy efficiency.
• ESD protection enhances reliability.

Disadvantages

• Limited number of channels (8) may not be sufficient for certain applications requiring a higher channel count.
• TSSOP package may have limitations in terms of heat dissipation compared to other packages.

Working Principles

The 74ABT648PW,118 operates based on the principles of digital logic. It utilizes internal circuitry to control the bidirectional flow of data between two buses. The direction of data transmission is determined by the DIR pin, while the OE pin enables or disables the outputs. The IC's non-inverting 3-state outputs ensure that the transmitted data remains intact and compatible with the receiving system.

Detailed Application Field Plans

The 74ABT648PW,118 finds applications in various digital systems where efficient data transmission and signal routing are required. Some specific application fields include:

1. Microprocessors and Micro