SN74ALVCH162244DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: Bi-directional voltage translation, low voltage operation, high-speed performance
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Translates signals between different voltage levels in electronic systems
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Input Voltage Range: 0V to VCC
• Output Voltage Range: 0V to VCC
• Maximum Operating Frequency: 400 MHz
• Number of Channels: 16
• Input/Output Type: Tri-State

Detailed Pin Configuration

The SN74ALVCH162244DL has a total of 48 pins, arranged as follows:

• Pins 1 to 4: Channel 1 Data Inputs/Outputs (A1, B1, Y1, G1)
• Pins 5 to 8: Channel 2 Data Inputs/Outputs (A2, B2, Y2, G2)
• ...
• Pins 45 to 48: Channel 16 Data Inputs/Outputs (A16, B16, Y16, G16)

Functional Features

• Bi-directional voltage translation between two voltage domains
• Supports level shifting between 1.2V, 1.5V, 1.8V, 2.5V, and 3.3V systems
• High-speed operation with minimal propagation delay
• Low power consumption
• ESD protection on all inputs and outputs

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows compatibility with various systems - Fast switching speed enables efficient signal translation - Tri-state outputs provide flexibility in system design - ESD protection ensures robustness against electrostatic discharge

Disadvantages: - Limited to 16 channels, may not be suitable for applications requiring more channels - TSSOP package may require careful handling during assembly

Working Principles

The SN74ALVCH162244DL is a voltage level translator that enables communication between electronic systems operating at different voltage levels. It utilizes a combination of MOSFETs and control circuitry to achieve bidirectional signal translation.

When an input signal from one voltage domain is applied to the appropriate channel inputs (A1-B1, A2-B2, etc.), the internal circuitry translates the signal to the corresponding voltage level of the other domain. The translated signal is then available at the respective channel outputs (Y1-Y16).

The direction of translation is controlled by the G1-G16 pins. When the enable pin (Gx) is set to a logic high level, the corresponding channel is active and performs the voltage translation. Conversely, setting the enable pin to a logic low level disables the channel, effectively isolating the two voltage domains.

Detailed Application Field Plans

The SN74ALVCH162244DL is commonly used in various applications where voltage translation is required. Some typical application fields include:

1. Microcontrollers and Peripherals: Facilitates communication between microcontrollers operating at different voltage levels and their associated peripherals.
2. Memory Interfaces: Enables data transfer between memory modules with varying voltage requirements.
3. Communication Systems: Allows interfacing between different communication protocols or standards that operate at different voltage levels.
4. Industrial Automation: Used in industrial control systems to bridge signals between sensors, actuators, and control units.
5. Consumer Electronics: Provides voltage translation capabilities in devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-channel voltage level translator with a smaller package size (SOT-23) and lower power consumption.
2. SN74AVC4T245PW: Four-channel voltage level translator with higher operating frequency and wider supply voltage range.
3. SN74HCT125N: Quad buffer/line driver with tri-state outputs, suitable for voltage level translation in simpler applications.

(Note: These are just a few examples of alternative models; there are many other options available in the market.)

This entry provides an overview of the SN74ALVCH162244DL logic level translator. It includes information on its product category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.