SN74ALVTH16244KR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Buffer/Driver
• Characteristics: High-speed, low-voltage, 16-bit bus transceiver
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Transceiver IC for bidirectional data communication
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 3.6V
• Logic Family: ALVT (Advanced Low-Voltage CMOS)
• Number of Channels: 16
• Input/Output Type: Tri-State
• Output Drive Strength: ±12mA
• Propagation Delay: 2.5ns (Max)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVTH16244KR has a total of 48 pins, which are divided into various functional groups:

• VCC: Power supply pin (+1.65V to +3.6V)
• GND: Ground pin
• OE (Output Enable): Controls the output buffer enable/disable
• DIR (Direction Control): Determines the direction of data flow
• A1-A16: Data input/output pins for Port A
• B1-B16: Data input/output pins for Port B

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

Functional Features

• Bidirectional Data Transfer: Allows data transmission in both directions
• Tri-State Outputs: Enables high impedance state when not actively driving the bus
• Low-Voltage Operation: Operates at lower voltage levels, reducing power consumption
• High-Speed Operation: Provides fast data transfer with minimal propagation delay
• ESD Protection: Incorporates built-in protection against electrostatic discharge

Advantages and Disadvantages

Advantages: - High-speed operation enables efficient data transfer - Low-voltage operation reduces power consumption - Tri-state outputs allow multiple devices to share the same bus - ESD protection ensures reliability in harsh environments

Disadvantages: - Limited voltage range (1.65V to 3.6V) - Requires careful handling to prevent damage from static electricity

Working Principles

The SN74ALVTH16244KR is a bidirectional buffer/driver IC that allows data transmission between two buses. The direction of data flow is controlled by the DIR pin. When DIR is set to logic high, data flows from Port A to Port B, and when DIR is set to logic low, data flows from Port B to Port A.

The OE pin controls the output enable/disable function. When OE is set to logic high, the outputs are enabled, allowing data to be driven onto the bus. When OE is set to logic low, the outputs are disabled, entering a high impedance state.

The IC operates at low voltages (1.65V to 3.6V) and provides high-speed data transfer with minimal propagation delay.

Detailed Application Field Plans

The SN74ALVTH16244KR is commonly used in various applications, including:

1. Data Communication Systems: Enables bidirectional data transfer between different subsystems or modules.
2. Memory Interfaces: Facilitates data exchange between microcontrollers and memory devices.
3. Bus Transceivers: Connects different buses with varying voltage levels, ensuring compatibility and efficient data transfer.
4. Industrial Automation: Used in control systems for transmitting data between sensors, actuators, and controllers.
5. Networking Equipment: Enables data communication between networking components such as routers, switches, and network interface cards.

Detailed and Complete Alternative Models

1. SN74ALVTH162244DLR: Similar 16-bit bus transceiver with different package (56-pin TSSOP).
2. SN74ALVTH16244DLR: 16-bit bus transceiver with the same package and characteristics but without ESD protection.
3. SN74ALVTH16244GR: 16-bit bus transceiver with a wider supply voltage range (1.65V to 5.5V).

These alternative models offer similar functionality and can be considered as substitutes for the SN74ALVTH16244KR based on specific requirements.

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