MAX3377EETD+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: Signal Level Translator
• Characteristics: High-speed, Low-power, Bidirectional
• Package: 14-TDFN (Thin Dual Flat No-Lead)
• Essence: Translates logic levels between different voltage domains
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage: 1.65V to 5.5V
• Logic Voltage Levels: 1.2V to 5.5V
• Data Rate: Up to 100Mbps
• Operating Temperature Range: -40°C to +85°C
• Input Capacitance: 3pF (typical)
• Propagation Delay: 4.5ns (typical)

Pin Configuration

The MAX3377EETD+T has a total of 14 pins arranged as follows:

```

---

| | --| VCC GND |-- Pin 1: Ground (GND) --| A1 B1 |-- Pin 2: Channel A Input/Output 1 --| A2 B2 |-- Pin 3: Channel A Input/Output 2 --| A3 B3 |-- Pin 4: Channel A Input/Output 3 --| A4 B4 |-- Pin 5: Channel A Input/Output 4 --| OE VCC |-- Pin 6: Output Enable/Input Voltage Supply --| B4 A4 |-- Pin 7: Channel B Input/Output 4 --| B3 A3 |-- Pin 8: Channel B Input/Output 3 --| B2 A2 |-- Pin 9: Channel B Input/Output 2 --| B1 A1 |-- Pin 10: Channel B Input/Output 1 --| GND VCC |-- Pin 11: Ground (GND)/Input Voltage Supply --| SDA SCL |-- Pin 12: I2C Serial Data/I2C Serial Clock --| NC NC |-- Pin 13: No Connection --| NC NC |-- Pin 14: No Connection |___________| ```

Functional Features

• Bidirectional voltage level translation between two logic domains
• Supports voltage translation from 1.2V to 5.5V
• High-speed operation with data rates up to 100Mbps
• Low power consumption for energy-efficient applications
• Output enable pin for disabling the translation function when not needed
• I2C-compatible interface for easy control and configuration

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems
• Fast propagation delay ensures minimal signal distortion
• Small package size saves board space
• Low input capacitance minimizes loading effects on the source

Disadvantages

• Limited number of channels (4 per direction)
• Not suitable for high-voltage level translation

Working Principles

The MAX3377EETD+T is a bidirectional voltage level translator designed to facilitate communication between different logic voltage domains. It utilizes a combination of MOSFETs and level-shifting circuitry to convert signals from one voltage level to another.

When an input signal is applied to either channel A or channel B, the IC automatically detects the voltage level and translates it to the corresponding level in the other channel. The translation occurs bidirectionally, allowing seamless communication between devices operating at different voltage levels.

The output enable (OE) pin can be used to disable the translation function, effectively isolating the two logic domains when necessary.

Detailed Application Field Plans

The MAX3377EETD+T is commonly used in various applications where voltage level translation is required. Some of the typical application fields include:

1. Mixed Voltage Systems: It enables communication between microcontrollers, sensors, and other devices operating at different voltage levels within a system.
2. I2C Bus Translation: The IC's I2C-compatible interface makes it suitable for translating signals on I2C buses between different voltage domains.
3. Battery-Powered Devices: Its low power consumption makes it ideal for use in portable devices powered by batteries or energy harvesting systems.
4. Industrial Automation: It can be employed in industrial automation systems to interface between different control modules operating at different voltage levels.

Detailed and Complete Alternative Models

• MAX3378E: Similar to MAX3377EETD+T but with 8 channels per direction instead of 4.
• SN74LVC1T45: Unidirectional voltage level translator with a single channel.