72V255LA15PFGI

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Level Translator
• Characteristics: High voltage capability, level shifting, bidirectional translation
• Package: LQFP (Low-profile Quad Flat Package)
• Essence: Translates logic levels between two different voltage domains
• Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Supply Voltage: 2.7V to 5.5V
• Translation Voltage Range: 1.2V to 5.5V
• Number of Channels: 8
• Input/Output Logic Levels: TTL/CMOS compatible
• Propagation Delay: 3.5ns (typical)
• Operating Temperature Range: -40°C to +85°C

Pin Configuration

The 72V255LA15PFGI IC has a total of 48 pins arranged in a Low-profile Quad Flat Package (LQFP). The pin configuration is as follows:

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Pin Name Description

1 VCCA Supply voltage for side A 2 A1 Channel A1 input/output 3 A2 Channel A2 input/output 4 A3 Channel A3 input/output 5 A4 Channel A4 input/output 6 A5 Channel A5 input/output 7 A6 Channel A6 input/output 8 A7 Channel A7 input/output 9 A8 Channel A8 input/output 10 GND Ground 11 B8 Channel B8 input/output 12 B7 Channel B7 input/output 13 B6 Channel B6 input/output 14 B5 Channel B5 input/output 15 B4 Channel B4 input/output 16 B3 Channel B3 input/output 17 B2 Channel B2 input/output 18 B1 Channel B1 input/output 19 VCCB Supply voltage for side B 20 OE Output enable 21 DIR Direction control 22 GND Ground 23 A8 Channel A8 input/output 24 A7 Channel A7 input/output 25 A6 Channel A6 input/output 26 A5 Channel A5 input/output 27 A4 Channel A4 input/output 28 A3 Channel A3 input/output 29 A2 Channel A2 input/output 30 A1 Channel A1 input/output 31 VCCA Supply voltage for side A 32 B1 Channel B1 input/output 33 B2 Channel B2 input/output 34 B3 Channel B3 input/output 35 B4 Channel B4 input/output 36 B5 Channel B5 input/output 37 B6 Channel B6 input/output 38 B7 Channel B7 input/output 39 B8 Channel B8 input/output 40 GND Ground ```

Functional Features

• Bidirectional voltage level translation between two different voltage domains
• Automatic direction control based on the DIR pin
• Output enable/disable control using the OE pin
• High-speed operation with low propagation delay
• TTL/CMOS compatible logic levels

Advantages and Disadvantages

Advantages: - Supports bidirectional translation, simplifying interface design - Wide supply voltage range allows compatibility with various systems - Low-profile package saves board space - Fast propagation delay enables high-speed data transfer

Disadvantages: - Limited number of channels (8) - May require additional external components for certain applications

Working Principles

The 72V255LA15PFGI is a voltage level translator IC designed to facilitate communication between two different voltage domains. It operates bidirectionally, allowing logic signals to be translated from one voltage level to another. The direction of translation is controlled by the DIR pin, while the OE pin enables or disables the output.

The IC utilizes internal circuitry to ensure proper voltage translation and signal integrity. It supports TTL/CMOS compatible logic levels and can handle a wide range of supply voltages. With low propagation delay, it enables fast data transfer between different voltage domains.

Application Field Plans

The 72V255LA15PFGI finds applications in various fields where voltage level translation is required. Some potential application areas include:

1. Embedded Systems: Used to interface between microcontrollers operating at different voltage levels.
2. Communication Interfaces: Facilitates level shifting between different communication protocols, such as UART, SPI, and I2C.
3. Industrial Automation: Enables communication between devices with different