SN74ALVC164245DL

Product Overview

Category: Integrated Circuit (IC)

Use: The SN74ALVC164245DL is a 16-bit bus transceiver with 3-state outputs. It is designed to provide bidirectional level shifting between a 3.3V bus and a 5V bus in mixed-voltage systems.

Characteristics: - Bidirectional voltage translation - Supports both 3.3V and 5V systems - 16-bit wide data path - 3-state outputs for bus sharing - Low power consumption - High-speed operation

Package: The SN74ALVC164245DL is available in a dual in-line package (DIP) with 48 pins. The package provides easy integration into circuit boards and ensures reliable connections.

Essence: This IC acts as a bridge between two buses operating at different voltage levels, enabling seamless communication between them.

Packaging/Quantity: The SN74ALVC164245DL is typically sold in reels or tubes, containing multiple units per package. The exact quantity may vary depending on the supplier.

Specifications

• Supply Voltage Range: 2.3V to 3.6V (VCCA), 4.5V to 5.5V (VCCB)
• Input Voltage Range: -0.5V to VCCA + 0.5V (VI)
• Output Voltage Range: -0.5V to VCCB + 0.5V (VO)
• Operating Temperature Range: -40°C to +85°C
• Propagation Delay: 3.8ns (Max)
• Output Current: ±24mA

Detailed Pin Configuration

The SN74ALVC164245DL has 48 pins, which are divided into four groups:

1. Group A (pins 1-12): A-side data inputs/outputs (D1-D12)
2. Group B (pins 13-24): B-side data inputs/outputs (D13-D24)
3. Group C (pins 25-36): Control inputs (OEAB, OEBA, DIR)
4. Group D (pins 37-48): Power supply and ground pins (VCCA, VCCB, GND)

For a detailed pin configuration diagram, please refer to the datasheet provided by the manufacturer.

Functional Features

• Bidirectional data transfer: The SN74ALVC164245DL allows data to be transmitted bidirectionally between the A-side and B-side buses.
• Voltage translation: It provides level shifting between a 3.3V bus and a 5V bus, ensuring compatibility between different voltage systems.
• 3-state outputs: The IC supports bus sharing by enabling the outputs to be put in a high-impedance state when not actively transmitting data.
• High-speed operation: With a maximum propagation delay of 3.8ns, it ensures efficient data transfer between the buses.

Advantages and Disadvantages

Advantages: - Enables seamless communication between 3.3V and 5V buses - Low power consumption - Supports high-speed data transfer - Provides bidirectional voltage translation - Allows for bus sharing with 3-state outputs

Disadvantages: - Limited to 16-bit data path - Requires careful consideration of voltage levels to avoid signal degradation

Working Principles

The SN74ALVC164245DL utilizes a combination of transistors and logic gates to achieve bidirectional voltage translation. When the control inputs are appropriately set, the IC allows data to flow bidirectionally between the A-side and B-side buses. The 3-state outputs enable multiple devices to share the same bus without interfering with each other.

Detailed Application Field Plans

The SN74ALVC164245DL finds applications in various fields, including:

1. Microcontrollers: It facilitates communication between microcontrollers operating at different voltage levels.
2. Industrial automation: Enables data exchange between control systems with varying voltage requirements.
3. Communication systems: Used for level shifting in mixed-voltage interfaces of communication modules.
4. Automotive electronics: Facilitates communication between different subsystems within a vehicle.

Detailed and Complete Alternative Models

1. SN74LVC164245: Similar to SN74ALVC164245DL but operates at 3.3V only.
2. SN74HCT164245: Provides bidirectional voltage translation between 5V and 3.3V buses using HCT logic family.
3. SN74LVCH164245A: Offers low-voltage CMOS compatibility and bidirectional level shifting capabilities.

These alternative models provide similar functionality to the SN74ALVC164245DL but may have differences in voltage ranges, power consumption, or speed characteristics.

*Note: The above information is based on the available documentation and specifications provided by the manufacturer. It