PI3VT34X245BEX

Product Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Translator
• Characteristics: High-speed, bidirectional voltage translation between different logic levels
• Package: 48-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: Efficiently translates signals between two voltage domains
• Packaging/Quantity: Available in reels of 2500 units

Specifications

• Supply Voltage: 1.2V to 3.6V
• Logic Voltage Levels: 1.2V to 3.6V
• Data Rate: Up to 400 Mbps
• Number of Channels: 8
• Input/Output Type: CMOS/TTL compatible
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The PI3VT34X245BEX has a total of 48 pins, which are configured as follows:

• Pins 1 to 8: Channel A Data Inputs/Outputs (D0A to D7A)
• Pins 9 to 16: Channel B Data Inputs/Outputs (D0B to D7B)
• Pins 17 to 24: Channel A Enable Inputs (ENA0 to ENA3)
• Pins 25 to 32: Channel B Enable Inputs (ENB0 to ENB3)
• Pins 33 and 34: VCC (Power Supply)
• Pins 35 and 36: GND (Ground)
• Pins 37 and 38: OE (Output Enable) for Channel A
• Pins 39 and 40: OE (Output Enable) for Channel B
• Pins 41 and 42: DIR (Direction Control)
• Pins 43 to 46: NC (No Connection)
• Pin 47: VREF (Voltage Reference)
• Pin 48: NC (No Connection)

Functional Features

• Bidirectional voltage translation between two logic levels
• Automatic direction control based on DIR pin
• Low power consumption
• High-speed data transmission up to 400 Mbps
• ESD protection on all pins
• CMOS/TTL compatible inputs and outputs

Advantages and Disadvantages

Advantages: - Efficient voltage translation for mixed voltage systems - High-speed data transmission capability - ESD protection ensures robustness - Low power consumption

Disadvantages: - Limited number of channels (8 in total) - Not suitable for applications requiring a large number of voltage translations simultaneously

Working Principles

The PI3VT34X245BEX is designed to translate signals between two voltage domains. It operates by detecting the logic level of the DIR pin, which determines the direction of data flow. When DIR is set to logic high, data is translated from Channel A to Channel B. Conversely, when DIR is set to logic low, data is translated from Channel B to Channel A.

The voltage translation is achieved through a combination of level shifters and pass gates. These components ensure that the input signal is properly translated to the desired logic level of the target voltage domain.

Detailed Application Field Plans

The PI3VT34X245BEX can be used in various applications where voltage translation is required. Some potential application fields include:

1. Mixed Voltage Systems: The IC can be used to interface between different voltage domains in systems where multiple logic levels are present.
2. Communication Interfaces: It can be employed in communication interfaces such as UART, SPI, or I2C to enable communication between devices operating at different voltage levels.
3. Microcontroller Interfacing: The IC can facilitate communication between microcontrollers operating at different voltage levels, allowing seamless integration of different components.
4. Level Shifting: It can be used for level shifting applications, where signals need to be translated from one voltage level to another.

Detailed and Complete Alternative Models

1. SN74LV1T34DBVR: Single-bit dual-supply bus transceiver
2. TXB0108PWR: 8-bit bidirectional voltage-level translator
3. PCA9306DCUR: Dual bidirectional I2C-bus and SMBus voltage-level translator
4. TXS0108EPWR: 8-bit bidirectional voltage-level translator with automatic direction sensing

These alternative models offer similar functionality and can be considered as alternatives to the PI3VT34X245BEX based on specific application requirements.

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