Encyclopedia Entry: 74AC16244DLG4

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, non-inverting, 16-bit bus transceiver
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: The 74AC16244DLG4 is a high-performance buffer/driver IC designed to provide non-inverting, bidirectional communication between a 16-bit bus and the associated peripherals or devices.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Logic Family: AC
• Number of Bits: 16
• Supply Voltage: 2V to 6V
• Input/Output Type: Tri-State
• Propagation Delay: 5.5 ns (max)
• Operating Temperature Range: -40°C to +85°C
• Output Current: ±24 mA
• Input Capacitance: 3 pF (typ)

Detailed Pin Configuration

The 74AC16244DLG4 has a total of 48 pins, which are distributed as follows:

• Pins 1 to 8: A1 to A8 (Input/Output)
• Pins 9 to 16: B1 to B8 (Input/Output)
• Pins 17 to 24: C1 to C8 (Input/Output)
• Pins 25 to 32: D1 to D8 (Input/Output)
• Pins 33 to 40: G1 to G8 (Output Enable)
• Pins 41 to 48: VCC, GND (Power Supply)

Functional Features

• Bidirectional data flow between the A and B ports.
• Non-inverting logic ensures that the output signal matches the input signal.
• Tri-State outputs allow for bus sharing and prevent bus contention.
• High-speed operation enables efficient data transfer.
• Low-power consumption makes it suitable for battery-powered devices.

Advantages

• Provides reliable and efficient communication between a 16-bit bus and peripherals.
• Non-inverting logic ensures accurate data transmission.
• Tri-State outputs enable bus sharing, reducing the number of required pins.
• High-speed operation allows for fast data transfer.
• Low-power consumption extends battery life in portable devices.

Disadvantages

• Limited to 16-bit bus communication, may not be suitable for larger bus architectures.
• Requires careful consideration of timing and signal integrity in high-frequency applications.

Working Principles

The 74AC16244DLG4 operates by receiving input signals from the A port and transmitting them to the B port. The non-inverting nature of the IC ensures that the output signal matches the input signal. The tri-state outputs allow multiple devices to share the same bus without causing conflicts or data corruption. The IC's high-speed operation and low-power consumption make it ideal for various applications.

Detailed Application Field Plans

The 74AC16244DLG4 is commonly used in the following application fields: 1. Microprocessor-based systems 2. Data communication networks 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed Alternative Models

1. SN74ACT16244: Similar 16-bit buffer/driver IC from Texas Instruments.
2. MC74AC16244: Equivalent 16-bit buffer/driver IC from ON Semiconductor.
3. CD74AC16244: Alternative 16-bit buffer/driver IC from Texas Instruments.

Note: This list is not exhaustive, and there are several other alternative models available in the market.

In conclusion, the 74AC16244DLG4 is a high-performance buffer/driver IC designed for non-inverting, bidirectional communication between a 16-bit bus and associated peripherals. Its high-speed operation, low-power consumption, and tri-state outputs make it suitable for various applications in microprocessor-based systems, data communication networks, industrial automation, automotive electronics, and consumer electronics. While it has advantages such as reliable data transmission and efficient bus sharing, it also has limitations regarding bus size and high-frequency applications. Alternative models from different manufacturers provide similar functionality and can be considered based on specific requirements.