PI74FCT16244ATAE

Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-power, 16-bit bidirectional buffer/driver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Provides voltage level translation and signal buffering capabilities
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Number of Channels: 16
• Logic Family: FCT
• Logic Type: CMOS
• Supply Voltage: 4.5V to 5.5V
• Input/Output Voltage Range: 0V to VCC
• Output Drive Strength: ±24mA
• Propagation Delay Time: 3.8ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The PI74FCT16244ATAE has a total of 48 pins, arranged as follows:

+---------------------+ OE1 |1 48| VCC A1 |2 47| B1 Y1 |3 46| GND A2 |4 45| B2 Y2 |5 44| GND A3 |6 43| B3 Y3 |7 42| GND A4 |8 41| B4 Y4 |9 40| GND A5 |10 39| B5 Y5 |11 38| GND A6 |12 37| B6 Y6 |13 36| GND A7 |14 35| B7 Y7 |15 34| GND A8 |16 33| B8 Y8 |17 32| GND A9 |18 31| B9 Y9 |19 30| GND A10 |20 29| B10 Y10 |21 28| GND A11 |22 27| B11 Y11 |23 26| GND A12 |24 25| B12 +---------------------+

Functional Features

• Bidirectional buffer/driver with 3-state outputs
• Provides voltage level translation between different logic families
• Supports high-speed data transmission
• Low power consumption
• Output drive strength allows for driving capacitive loads

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low power consumption helps in reducing overall system power requirements - 3-state outputs allow for easy bus sharing and multiplexing - Wide operating temperature range makes it suitable for various environments

Disadvantages: - Limited number of channels (16) - Requires external pull-up or pull-down resistors for proper operation

Working Principles

The PI74FCT16244ATAE is a bidirectional buffer/driver that provides voltage level translation and signal buffering capabilities. It can be used to interface between different logic families, such as TTL and CMOS. The device operates by receiving input signals on its A pins and providing corresponding output signals on its Y pins. The direction of data flow is controlled by the OE1 pin. When OE1 is low, the outputs are enabled and data can flow bidirectionally. When OE1 is high, the outputs are disabled and the device enters a high-impedance state.

Detailed Application Field Plans

The PI74FCT16244ATAE is commonly used in various applications, including:

1. Microprocessor and microcontroller interfacing
2. Memory address and data bus buffering
3. Level translation between different logic families
4. Signal buffering in communication systems
5. Industrial automation and control systems

Alternative Models

Some alternative models that provide similar functionality to the PI74FCT16244ATAE include:

1. SN74LVC244A: 8-bit buffer/driver with 3-state outputs
2. MC74VHC244: 8-bit buffer/driver with 3-state outputs
3. CD74HCT541: Octal buffer/driver with 3-state outputs
4. 74ACT245: Octal bus transceiver with 3-state outputs

These alternative models can be considered based on specific requirements and compatibility with existing designs.

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