SN74ALB16245DGVR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Buffer/Transceiver
• Characteristics: High-speed, low-power, bidirectional level shifting and voltage translation
• Package: VSSOP-48
• Essence: 16-bit bus transceiver with 3-state outputs
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Operating Temperature Range: -40°C to +85°C
• Output Drive Capability: ±12mA at 3.3V
• Propagation Delay: 2.7ns (Max) at 3.3V
• ESD Protection: >2000V Human Body Model

Detailed Pin Configuration

The SN74ALB16245DGVR has a total of 48 pins, arranged as follows:

• Pin 1: OE (Output Enable) for Port A
• Pin 2: GND (Ground)
• Pin 3: A1 (Data Input/Output) for Port A
• Pin 4: B1 (Data Input/Output) for Port B
• Pin 5: A2 (Data Input/Output) for Port A
• Pin 6: B2 (Data Input/Output) for Port B
• ...
• Pin 48: VCC (Supply Voltage)

Functional Features

• Bidirectional data flow between Port A and Port B
• 3-state outputs allow multiple devices to share the same bus
• Supports voltage level translation between different logic families
• High-speed operation for efficient data transfer
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages: - Versatile voltage translation capabilities - High-speed operation for efficient data transfer - Low power consumption for energy efficiency - 3-state outputs enable bus sharing

Disadvantages: - Limited supply voltage range (1.65V to 3.6V) - Propagation delay may affect timing-sensitive applications

Working Principles

The SN74ALB16245DGVR is a bidirectional level shifter and voltage translator. It allows data to be transferred bidirectionally between Port A and Port B, while also providing voltage level translation between different logic families. The device operates by monitoring the input signals and translating them to the appropriate voltage levels based on the supply voltage.

Detailed Application Field Plans

The SN74ALB16245DGVR is commonly used in various applications, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Memory modules: It facilitates data transfer between memory modules with varying voltage requirements.
3. Industrial automation: It is used in industrial control systems to interface between different logic families.
4. Communication systems: It enables signal transmission between devices with different voltage levels, such as UART, SPI, or I2C interfaces.

Detailed and Complete Alternative Models

1. SN74LVC16245A: Similar functionality with a wider supply voltage range (1.65V to 5.5V).
2. SN74LVCH16245A: Improved ESD protection and lower propagation delay compared to SN74ALB16245DGVR.
3. SN74AVC16245: Supports higher drive capability and has a wider supply voltage range (1.2V to 3.6V).

These alternative models offer similar features and can be considered based on specific application requirements.

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