Encyclopedia Entry: 74FCT166244CTPVG8

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Line Driver
• Characteristics: High-speed, low-power, non-inverting, 16-bit bus transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74FCT166244CTPVG8 is a high-performance buffer and line driver IC designed to provide bidirectional communication between two buses operating at different voltage levels.
• Packaging/Quantity: Available in tape and reel packaging with 2500 units per reel.

Specifications

• Logic Family: FCT
• Number of Bits: 16
• Input Voltage Range: 4.5V to 5.5V
• Output Voltage Range: 4.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay Time: 3.5ns (max)
• Output Current: ±24mA
• Supply Current: 50μA (typ)

Detailed Pin Configuration

The 74FCT166244CTPVG8 has a total of 48 pins arranged as follows:

┌───┬───┐ A1 --|1 └─ 48|-- VCCB B1 --|2 47|-- OE# A2 --|3 46|-- B2 B2 --|4 45|-- A2 A3 --|5 44|-- B3 B3 --|6 43|-- A3 A4 --|7 42|-- B4 B4 --|8 41|-- A4 A5 --|9 40|-- B5 B5 --|10 39|-- A5 A6 --|11 38|-- B6 B6 --|12 37|-- A6 A7 --|13 36|-- B7 B7 --|14 35|-- A7 A8 --|15 34|-- B8 B8 --|16 33|-- A8 GND --|17 32|-- B9 Y1 --|18 31|-- A9 Y2 --|19 30|-- B10 Y3 --|20 29|-- A10 Y4 --|21 28|-- B11 Y5 --|22 27|-- A11 Y6 --|23 26|-- B12 Y7 --|24 25|-- A12 └───┴───┘

Functional Features

• Bidirectional data flow between two independent buses.
• Non-inverting buffer/line driver with 3-state outputs.
• High-speed operation suitable for high-performance systems.
• Low-power consumption for energy-efficient designs.
• ESD protection on all inputs and outputs.

Advantages and Disadvantages

Advantages: - Enables communication between buses operating at different voltage levels. - Provides buffering and line driving capabilities. - High-speed operation allows for efficient data transfer. - Low-power consumption helps in reducing overall system power requirements. - ESD protection ensures robustness against electrostatic discharge.

Disadvantages: - Limited to 16-bit bus width. - Requires careful consideration of voltage compatibility between the two buses.

Working Principles

The 74FCT166244CTPVG8 acts as a bidirectional buffer and line driver, allowing data to be transferred between two independent buses. It operates by receiving data from one bus and transmitting it to the other, while also providing buffering and line driving capabilities to ensure signal integrity. The non-inverting nature of the IC ensures that the data remains unchanged during transmission. The 3-state outputs allow for easy control of the bus connection, enabling multiple devices to share the same bus without interference.

Detailed Application Field Plans

The 74FCT166244CTPVG8 is commonly used in various applications, including: - Data communication systems - Networking equipment - Industrial automation - Automotive electronics - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the 74FCT166244CTPVG8 include: - SN74LVC244A: Low-voltage octal buffer/line driver - MC74VHC244: High-speed CMOS octal buffer/line driver - CD74HCT244: High-speed CMOS octal buffer/line driver with 3-state outputs

These alternative models can be considered based on specific requirements such as voltage levels, speed, power consumption,