Encyclopedia Entry: 74ALVC16245PAG

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Buffer/Transceiver
• Characteristics: High-speed, low-power, bidirectional voltage level translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: The 74ALVC16245PAG is a 16-bit bus transceiver with 3-state outputs, designed for voltage level translation between different logic families.
• Packaging/Quantity: Available in reels of 2500 units.

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range (High Level): 2.0V to VCC + 0.5V
• Input Voltage Range (Low Level): -0.5V to 0.8V
• Output Voltage Range (High Level): 2.4V (min) at IOH = -24mA
• Output Voltage Range (Low Level): 0.4V (max) at IOL = 24mA
• Propagation Delay: 2.7ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The 74ALVC16245PAG has a total of 48 pins, divided into two groups: - Group A (pins 1-24): Inputs/Outputs for Port A - Group B (pins 25-48): Inputs/Outputs for Port B

For detailed pin configuration and functions, refer to the datasheet or manufacturer's documentation.

Functional Features

• Bidirectional data flow: Allows data transmission in both directions.
• 3-state outputs: Enables multiple devices to share a common bus without interference.
• High-speed operation: Suitable for applications requiring fast data transfer.
• Low-power consumption: Helps reduce overall power consumption in electronic systems.

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various logic families. - 3-state outputs facilitate bus sharing and reduce conflicts. - High-speed operation enables efficient data transfer.

Disadvantages: - Limited output voltage range may not be suitable for all applications. - Propagation delay may affect timing-sensitive systems.

Working Principles

The 74ALVC16245PAG operates as a bidirectional buffer/transceiver, translating voltage levels between two logic families. It uses a combination of input/output buffers and control circuitry to enable bidirectional data flow. The 3-state outputs allow multiple devices to share a common bus without interference.

Detailed Application Field Plans

The 74ALVC16245PAG is commonly used in various applications, including: 1. Microprocessor/Controller Interfacing: Enables communication between different logic families in embedded systems. 2. Data Communication Systems: Facilitates voltage level translation in serial and parallel communication interfaces. 3. Memory Modules: Allows data transfer between memory modules operating at different voltage levels. 4. Industrial Automation: Used in control systems to interface between different logic families.

Detailed Alternative Models

1. SN74LVC16245A: Similar 16-bit bus transceiver with 3-state outputs, offered by Texas Instruments.
2. MC74LVX245: Another 16-bit bidirectional transceiver, available from ON Semiconductor.
3. CD74HCT245: Octal bus transceiver with 3-state outputs, manufactured by Texas Instruments.

These alternative models offer similar functionality and can be considered based on specific requirements and availability.

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