SN74ALVCF162834DL

Product Overview

• Category: Integrated Circuit (IC)
• Use: Logic Level Translator
• Characteristics: High-speed, low-voltage, configurable voltage translation
• Package: TSSOP (Thin Shrink Small Outline Package)
• Essence: Voltage level shifting between different logic families
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 1.2V to 3.6V
• Logic Family: ALVC (Advanced Low-Voltage CMOS)
• Number of Channels: 16
• Input/Output Compatibility: LVTTL/TTL/CMOS
• Maximum Data Rate: 400 Mbps
• Propagation Delay: 2.5 ns (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The SN74ALVCF162834DL has a total of 56 pins, which are organized as follows:

• VCCA, VCCB: Power supply pins for respective voltage domains
• GND: Ground pin
• OEAB, OEBA: Output enable pins for controlling direction of data flow
• A1-A16, B1-B16: Data input/output pins for respective voltage domains
• DIR: Direction control pin for bidirectional data transfer
• LVCA, LVCB: Level control pins for configuring voltage translation levels

Functional Features

• Bidirectional Voltage Translation: Allows seamless communication between different logic families operating at different voltage levels.
• Configurable Voltage Levels: The level control pins (LVCA, LVCB) provide flexibility in setting the desired voltage translation levels.
• High-Speed Operation: Supports data rates up to 400 Mbps, enabling fast signal transmission.
• Low Power Consumption: Operates at low supply voltages (1.2V to 3.6V) and consumes minimal power.
• ESD Protection: Provides robust Electrostatic Discharge (ESD) protection, ensuring reliability in harsh environments.

Advantages and Disadvantages

Advantages: - Enables communication between different logic families with ease. - Configurable voltage levels offer flexibility in various applications. - High-speed operation allows for efficient data transfer. - Low power consumption contributes to energy efficiency. - ESD protection ensures reliability in challenging conditions.

Disadvantages: - Limited to 16 channels, may not be suitable for applications requiring a higher number of channels. - TSSOP package may pose challenges in PCB layout and assembly for some users.

Working Principles

The SN74ALVCF162834DL utilizes a combination of CMOS technology and level-shifting circuitry to achieve bidirectional voltage translation. The input/output pins are designed to be compatible with LVTTL, TTL, and CMOS logic families. The direction of data flow is controlled by the DIR pin, while the OEAB and OEBA pins enable or disable the output buffers.

The level control pins (LVCA, LVCB) allow the user to configure the desired voltage translation levels. By setting appropriate voltage levels on these pins, the IC can translate signals between different voltage domains, ensuring proper signal integrity and compatibility.

Detailed Application Field Plans

The SN74ALVCF162834DL finds applications in various fields where voltage translation between different logic families is required. Some potential application areas include:

1. Microcontrollers and Peripherals: Facilitating communication between microcontrollers operating at different voltage levels and their associated peripherals.
2. Communication Interfaces: Enabling signal translation between different communication interfaces, such as UART, SPI, I2C, etc., operating at different voltage levels.
3. Mixed Voltage Systems: Bridging the gap between systems that utilize different voltage levels, allowing seamless integration and data exchange.
4. Battery-Powered Devices: Supporting voltage translation in low-power devices, extending battery life while maintaining compatibility with higher voltage systems.

Detailed and Complete Alternative Models

1. SN74LVC1T45DBVR: Single-channel voltage level translator with a smaller package size (SOT-23) suitable for space-constrained applications.
2. SN74AVC4T245PW: Four-channel bidirectional voltage level translator with a wider supply voltage range (1.2V to 3.6V) and higher data rate capability (up to 500 Mbps).
3. SN74HCT125N: Quad buffer/line driver with non-inverting outputs, suitable for voltage level shifting in simple digital systems.

These alternative models offer different features and specifications, allowing users to choose the most appropriate solution based on their specific requirements.

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