Encyclopedia Entry: 74ACT16245MTDX

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Signal Buffer/Transceiver
• Characteristics: High-speed, non-inverting, bidirectional buffer/line driver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Transfers data between different voltage domains while maintaining signal integrity
• Packaging/Quantity: Available in reels of 2500 units

Specifications

The 74ACT16245MTDX is a high-performance, non-inverting, bidirectional buffer/line driver IC. It is designed to transfer data between different voltage domains while ensuring minimal propagation delay and maximum signal integrity. The IC operates on a supply voltage range of 4.5V to 5.5V and supports both TTL and CMOS logic levels.

Detailed Pin Configuration

The 74ACT16245MTDX features a total of 48 pins, divided into two groups of 24 pins each. Each group consists of 12 input/output (I/O) pins and 12 control pins. The pin configuration is as follows:

• Group A (pins 1-24):

  • Pins 1-12: I/O0-I/O11 (Bidirectional Data I/O)
  • Pins 13-24: OE0, DIR0, GND, VCC, NC, NC, NC, NC, NC, NC, NC, NC (Control Pins)

• Group B (pins 25-48):

  • Pins 25-36: I/O12-I/O23 (Bidirectional Data I/O)
  • Pins 37-48: OE1, DIR1, GND, VCC, NC, NC, NC, NC, NC, NC, NC, NC (Control Pins)

Functional Features

• Bidirectional Data Transfer: The 74ACT16245MTDX allows data to be transferred bidirectionally between different voltage domains, enabling seamless communication between devices operating at different logic levels.
• Non-Inverting Buffer: The IC ensures that the output signal is an exact replica of the input signal, without any inversion or distortion.
• High-Speed Operation: With a maximum propagation delay of only a few nanoseconds, the IC supports high-speed data transfer, making it suitable for applications requiring rapid signal transmission.
• Output Enable Control: The OE pins allow the user to enable or disable the outputs, providing flexibility in controlling the data flow.

Advantages and Disadvantages

Advantages: - Enables bidirectional data transfer between different voltage domains - Maintains signal integrity with non-inverting buffer operation - Supports high-speed data transfer - Provides output enable control for flexible data flow management

Disadvantages: - Requires careful consideration of voltage compatibility between connected devices - May introduce additional power consumption due to buffer operation

Working Principles

The 74ACT16245MTDX operates based on the principles of voltage level translation and buffering. It utilizes internal circuitry to convert signals from one logic level to another while maintaining signal integrity. The bidirectional nature of the IC allows data to flow in both directions, ensuring seamless communication between devices operating at different voltage levels.

Detailed Application Field Plans

The 74ACT16245MTDX finds applications in various fields where bidirectional data transfer between different voltage domains is required. Some potential application areas include:

1. Embedded Systems: The IC can be used in microcontroller-based systems to interface with peripheral devices operating at different logic levels.
2. Communication Networks: It enables data exchange between network components with varying voltage requirements, such as routers, switches, and transceivers.
3. Industrial Automation: The IC facilitates communication between different automation modules, allowing seamless integration of sensors, actuators, and control systems.
4. Test and Measurement Equipment: It can be employed in test equipment to interface with devices operating at different voltage levels, ensuring accurate data acquisition and analysis.

Detailed and Complete Alternative Models

1. SN74ACT16245DGGR: Similar bidirectional buffer/line driver IC from Texas Instruments, available in a TSSOP package.
2. MC74ACT16245DW: Non-inverting, bidirectional buffer IC from ON Semiconductor, offered in a SOIC (Small Outline Integrated Circuit) package.
3. CD74ACT16245M: High-speed, non-inverting buffer IC from Texas Instruments, packaged in a 48-pin LQFP (Low-Profile Quad Flat Package).

(Note: The above alternative models are provided for reference purposes and may have slight variations in specifications and pin configuration.)

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