SN74LVC8T245DBQR

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SN74LVC8T245DBQR

IC TRANSLATION TXRX 5.5V 24SSOP

100% gốc & amp; Mới

24 giờ sẵn sàng để vận chuyển

Bảo hành 365 ngày

RFQ & amp; Nhận thêm Giảm giá

Thông số kỹ thuật

Package Tape & Reel (TR),Cut Tape (CT)
Series 74LVC
ProductStatus Active
LogicType Translation Transceiver
NumberofElements 2
NumberofBitsperElement 8
OutputType 3-State
Current-OutputHighLow 32mA, 32mA
Voltage-Supply 1.65V ~ 5.5V
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 24-SSOP (0.154, 3.90mm Width)

Tổng quan

Description

The SN74LVC8T245DBQR is a high-speed bidirectional level shifter designed for translating voltage levels between different logic families. It operates with a supply voltage range of 1.2V to 3.6V and features 8 data channels, making it suitable for interfacing devices operating at various logic levels. This component is particularly useful in applications where devices with different voltage requirements need to communicate, such as connecting a 3.3V microcontroller with 5V peripherals.
The device supports data rates up to 120 Mbps and has a low output drive capability, ensuring minimal power consumption. Its design includes a tri-state output feature, allowing the outputs to be enabled or disabled as needed. The SN74LVC8T245DBQR is housed in a TSSOP package, offering a compact solution for space-constrained applications.
Key features include robust ESD protection, low propagation delay, and compatibility with CMOS and TTL logic levels, making it an ideal choice for a variety of digital applications in consumer electronics, automotive systems, and industrial control.

Features

The SN74LVC8T245DBQR is an 8-channel bidirectional level shifter designed for interfacing between different voltage levels in digital circuits. Key features include:
1. Voltage Levels: Supports input and output voltage levels from 1.2V to 5.5V, accommodating a variety of logic families.

2. Bidirectional Operation: Allows data transfer in both directions, making it suitable for interfacing devices operating at different voltage levels.
3. High Speed: Ensures fast data transmission rates, with a maximum propagation delay of around 5 ns at 3.3V.
4. Low Power Consumption: Designed for low static and dynamic power usage, enhancing energy efficiency in applications.
5. Active-Low OE: Features an output enable (OE) function to control the device's output state, providing design flexibility.
6. TTL Compatible: Compatible with TTL logic levels, making it versatile for various applications.
7. Compact Package: Available in a small TSSOP-20 package, ideal for space-constrained designs.
These features make the SN74LVC8T245DBQR a popular choice for level shifting in mixed-voltage environments.

Package

The SN74LVC8T245DBQR is packaged in a TSSOP-20 (Thin Shrink Small Outline Package) form factor.

Pinout

The SN74LVC8T245DBQR is an octal (8-bit) bus transceiver with 20 pins. It is designed for high-speed data transmission and can operate with different voltage levels, making it suitable for interfacing between devices with different supply voltages.
Pin Count: 20 pins.
Functions:
1. Data Direction Control: The transceiver allows for bidirectional data flow. The direction is controlled by the DIR pin, which determines whether data is transmitted from A to B or vice versa.
2. Enable Control: The device features an output enable (OE) pin that controls the output drivers, allowing the outputs to be in a high-impedance state.
3. Input and Output Ports: It includes two 8-bit ports (A and B) for data input and output.
4. Power Supply: Compatible with a wide range of supply voltages (1.2V to 5.5V), making it versatile for various applications.
Overall, it is commonly used in level-shifting applications and for interfacing microcontrollers with peripheral devices.

Manufacturer

The SN74LVC8T245DBQR is manufactured by Texas Instruments (TI), a leading global semiconductor company. Texas Instruments is known for designing and manufacturing a wide range of analog, digital, and embedded processing devices. Founded in 1930, the company has a strong focus on innovation and technology development, serving various industries, including automotive, industrial, communications, and consumer electronics. TI provides solutions that enable advancements in connectivity, power management, and signal processing, contributing significantly to the development of modern electronic systems.

Application

The SN74LVC8T245DBQR is a dual-direction, octal-level shifter used for voltage translation between different logic levels. It is commonly applied in interfacing between microcontrollers, FPGAs, and various sensors or devices operating at different voltage levels. Typical application areas include communication interfaces (I2C, SPI), connecting 3.3V and 5V systems, and signal conditioning in mixed-voltage environments.

Equivalent

Equivalent products to the SN74LVC8T245DBQR include the MC74LVC8T245ADG, 74LVC8T245M, and the AUP1T245D. These chips serve similar functions as bidirectional voltage-level translators and support similar specifications. Always check the datasheets for specific features, voltage levels, and pin configurations to ensure compatibility.

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