Encyclopedia Entry: 74FCT163245APFG8

Product Information Overview

• Category: Integrated Circuit (IC)
• Use: Data Bus Transceiver
• Characteristics: High-speed, bidirectional, 16-bit transceiver
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Facilitates the bidirectional transfer of data between two buses with different voltage levels
• Packaging/Quantity: Available in reels, typically containing 2500 units

Specifications

• Technology: CMOS (Complementary Metal-Oxide-Semiconductor)
• Operating Voltage Range: 4.5V to 5.5V
• Data Width: 16 bits
• Input/Output Type: Tri-State
• Propagation Delay: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74FCT163245APFG8 IC has a total of 48 pins, which are divided into four groups:

Group A (Pins 1-12)

• Pins 1-8: Data Bus A (D0-D7) Inputs/Outputs
• Pins 9-12: Output Enable (OEAB), Input Enable (CEAB), and Direction Control (DIR) Pins

Group B (Pins 13-24)

• Pins 13-20: Data Bus B (D0-D7) Inputs/Outputs
• Pins 21-24: Output Enable (OEBA), Input Enable (CEBA), and Direction Control (DIR) Pins

Group C (Pins 25-36)

• Pins 25-32: Data Bus A (D8-D15) Inputs/Outputs
• Pins 33-36: Output Enable (OEAB), Input Enable (CEAB), and Direction Control (DIR) Pins

Group D (Pins 37-48)

• Pins 37-44: Data Bus B (D8-D15) Inputs/Outputs
• Pins 45-48: Output Enable (OEBA), Input Enable (CEBA), and Direction Control (DIR) Pins

Functional Features

• Bidirectional data transfer between two buses with different voltage levels
• Tri-State outputs allow for bus sharing and isolation
• Non-inverting outputs for both input and output data
• High-speed operation suitable for demanding applications
• Low power consumption in standby mode

Advantages and Disadvantages

Advantages: - Enables efficient data transfer between buses operating at different voltage levels - Supports bidirectional communication - Tri-State outputs provide flexibility in bus sharing scenarios - High-speed operation ensures quick data transmission - Low power consumption in standby mode helps conserve energy

Disadvantages: - Limited to 16-bit data width - Requires careful consideration of voltage compatibility between buses

Working Principles

The 74FCT163245APFG8 is a bidirectional data bus transceiver that facilitates the transfer of data between two buses operating at different voltage levels. It utilizes tri-state outputs, allowing multiple devices to share the same bus without interfering with each other.

The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data flows from Bus A to Bus B. Conversely, when DIR is set to logic low, data flows from Bus B to Bus A. The OEAB and OEBA pins control the output enable function, enabling or disabling the outputs as needed.

The IC operates on CMOS technology, providing high-speed performance while consuming low power. It is designed to ensure reliable data transmission and minimize signal distortion.

Detailed Application Field Plans

The 74FCT163245APFG8 is commonly used in various applications where bidirectional data transfer between buses with different voltage levels is required. Some typical application fields include:

1. Embedded Systems: Used to interface microcontrollers or processors operating at different voltage levels.
2. Communication Systems: Facilitates data exchange between different communication protocols or interfaces.
3. Industrial Automation: Enables communication between control systems and peripheral devices.
4. Data Acquisition Systems: Transfers data between sensors, analog-to-digital converters, and digital processing units.
5. Computer Peripherals: Connects different components within a computer system, such as memory modules and expansion cards.

Detailed and Complete Alternative Models

• 74FCT16245ATPV: 16-bit bidirectional transceiver with 3-state outputs
• SN74LVTH16245ADGGR: 16-bit bus transceiver with 3-state outputs and low-voltage operation
• MC74VHC245DTR2G: Octal bus transceiver with 3-state outputs and high-speed performance

These alternative models offer similar functionality and can be considered as substitutes for the 74