SN74LVC162244DLR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Shifter
• Characteristics: High-speed, low-voltage, 16-bit buffer/driver with 3-state outputs
• Package: TSSOP-48
• Essence: Logic level shifting and buffering
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.65V to 5.5V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 80 MHz
• Number of Channels: 16
• Output Drive Capability: ±24 mA
• Propagation Delay: 2.6 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74LVC162244DLR has a total of 48 pins, arranged as follows:

• Pin 1: GND (Ground)
• Pin 2: A1 (Input/Output)
• Pin 3: Y1 (Output)
• Pin 4: A2 (Input/Output)
• Pin 5: Y2 (Output)
• ...
• Pin 46: A15 (Input/Output)
• Pin 47: Y15 (Output)
• Pin 48: VCC (Power Supply)

Functional Features

• Bidirectional voltage translation between different logic levels
• 3-state outputs for bus-oriented applications
• Supports mixed-mode signal operation on all ports
• Provides both input and output ESD protection
• Low power consumption
• Schmitt-trigger inputs for noise immunity

Advantages and Disadvantages

Advantages: - High-speed operation allows for efficient data transfer - Wide supply voltage range enables compatibility with various systems - 3-state outputs facilitate bus sharing and reduce contention issues - ESD protection ensures robustness against electrostatic discharges - Low power consumption helps conserve energy

Disadvantages: - Limited number of channels (16) may not be sufficient for certain applications - Propagation delay of 2.6 ns may introduce timing constraints in high-speed designs

Working Principles

The SN74LVC162244DLR is designed to shift logic levels between different voltage domains. It can accept input signals from one voltage level and translate them to a different voltage level on its output pins. This allows for seamless communication between devices operating at different logic levels.

The IC utilizes a combination of CMOS technology and Schmitt-trigger inputs to achieve high-speed operation and noise immunity. The 3-state outputs enable multiple devices to share a common bus, reducing the chances of contention and improving system efficiency.

Detailed Application Field Plans

The SN74LVC162244DLR finds application in various fields, including:

1. Microcontroller interfacing: It enables communication between microcontrollers operating at different voltage levels.
2. Level shifting in mixed-mode signal systems: It facilitates the integration of analog and digital circuits by translating voltage levels between them.
3. Bus buffering: It acts as a buffer between a microprocessor and external memory or peripheral devices, ensuring reliable data transfer.
4. Industrial automation: It is used in control systems to interface between different logic level components.
5. Communication systems: It aids in voltage level translation between different communication protocols, such as UART, SPI, and I2C.

Detailed and Complete Alternative Models

1. TXB0108PWR: 8-bit bidirectional voltage-level translator with automatic direction sensing.
2. PCA9306DCTR: Dual bidirectional I2C-bus and SMBus voltage-level translator.
3. SN74LVC1T45DCKR: Single-bit dual-supply bus transceiver with configurable voltage translation.

These alternative models offer similar functionality and can be used as substitutes for the SN74LVC162244DLR in various applications.

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