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TXB0302DQMR

Name: TXB0302DQMR
Rating: 4.7 (12 reviews)

IC TRNSLTR BIDIRECTIONAL 8X2SON

Производитель
Мфр. Часть #TXB0302DQMR
Пакет XFDFN-8
Лист данных
В наличии5190

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Спецификации

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
TranslatorType	Voltage Level
ChannelType	Bidirectional
NumberofCircuits	1
ChannelsperCircuit	2
Voltage-VCCA	0.9 V ~ 3.6 V
Voltage-VCCB	0.9 V ~ 3.6 V
OutputType	Tri-State, Non-Inverted
DataRate	100Mbps
OperatingTemperature	-40°C ~ 85°C (TA)
Features	Auto-Direction Sensing
MountingType	Surface Mount
Package/Case	8-XFDFN

Обзор

Description

TXB0302DQMR is a high-speed bi-directional level shifter designed for interfacing between different voltage levels in digital circuits. It is particularly useful for systems that require communication between devices operating at different voltages, such as a 1.8V logic level microcontroller and a 5V peripheral. The device supports a wide range of voltage levels (from 1.2V to 5.5V) and can handle data rates up to 80 Mbps, making it suitable for high-speed applications.
The TXB0302DQMR features eight channels for data transfer, allowing simultaneous bi-directional communication. It employs a simple, low-power design, which enables easy integration into various electronic systems without extensive additional circuitry. The device is encapsulated in a compact package, facilitating space-efficient designs. Overall, the TXB0302DQMR is an essential component for designers needing reliable level shifting in mixed-voltage environments.

Features

The TXB0302DQMR is a bidirectional level shifting device designed for interfacing between different voltage levels in digital circuits, typically between 1.8V and 5V systems. Key features include:
1. Bidirectional Operation: Supports signal flow in both directions without the need for a direction control pin.
2. Multiple Channels: Typically has 4 channels, allowing simultaneous level shifting for multiple signals.
3. Wide Voltage Range: Operates over a broad voltage range (1.2V to 5.5V) for both high and low sides.
4. Fast Data Rates: Capable of handling data rates up to 100 Mbps, suitable for high-speed applications.
5. Low Power Consumption: Efficient design that minimizes power usage during operation.
6. Compact Package: Offered in a small footprint (SOT-23) for space-constrained applications.
This IC is ideal for applications in mixed-voltage systems, such as interfacing microcontrollers, sensors, and other digital devices.

Package

The TXB0302DQMR is available in a 48-pin VQFN (Very Thin Quad Flat No-lead) package. This compact and thermally efficient package design is suitable for various applications requiring level shifting and bidirectional voltage translation.

Pinout

The TXB0302DQMR is a bi-directional level shifter designed for translating logic levels between two different voltage domains. It features a total of 8 pins.
Here are the key pin functions:
1. VCCA (Pin 1): Supply voltage for the low side (A).
2. VCCB (Pin 2): Supply voltage for the high side (B).
3. A1 (Pin 3): Input/output for the low side (A).
4. A2 (Pin 4): Input/output for the low side (A).
5. B1 (Pin 5): Corresponding output/input for the high side (B).
6. B2 (Pin 6): Corresponding output/input for the high side (B).
7. DIR (Pin 7): Direction control for data flow (bi-directional).
8. GND (Pin 8): Ground connection.
The TXB0302 is commonly used in applications where data needs to be transferred between devices operating at different voltage levels, such as interfacing 3.3V devices with 5V devices.

Manufacturer

The TXB0302DQMR is manufactured by Texas Instruments (TI), a prominent semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of analog, digital signal processing, and embedded processing chips. Established in 1930, the company has a strong presence in various industries, including automotive, industrial, telecommunications, and consumer electronics. TI is recognized for its innovations in integrated circuits and is a leading supplier of analog and embedded products, making significant contributions to the development of technology worldwide.

Application

The TXB0302DQMR is a bi-directional level shifter used primarily in digital communication applications. It facilitates signal conversion between different voltage levels, making it suitable for interfacing components like microcontrollers, sensors, and memory devices operating at various voltage levels (e.g., 1.2V to 5.5V). Common applications include I2C, SPI, UART, and other serial communication protocols, particularly in mixed-voltage environments.

Equivalent

The TXB0302DQMR chip is a voltage level translator. Equivalent products include the TXB0104, TXB0102, and TXS0108E from Texas Instruments, as well as the 74LVC4245A from Nexperia and the PCA9306 from NXP Semiconductors. Always check the specific requirements like voltage levels, speed, and package type to ensure compatibility.

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