74LVC245AQ20-13

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74LVC245AQ20-13

IC TXRX NON-INVERT 3.6V 20QFN

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規格

Series 74LVC
Part Status Active
Logic Type Transceiver, Non-Inverting
Number of Elements 1
Number of Bits per Element 8
Output Type 3-State
Current - Output High, Low 24mA, 24mA
Voltage - Supply 1.65V ~ 3.6V
Operating Temperature -40°C ~ 125°C (TA)
Mounting Type Surface Mount
Package / Case 20-VFQFN Exposed Pad
Supplier Device Package V-QFN4525-20
Base Product Number 74LVC245

概述

Description

The 74LVC245AQ20-13 is an octal buffer/driver designed for high-speed data transmission. It features an 8-bit bidirectional interface, making it suitable for isolating and driving signals between different voltage levels. Operating with a wide voltage range of 1.65V to 5.5V, it is compatible with various logic families and is optimized for low power consumption.
This device has three-state outputs, allowing it to connect multiple bus systems without conflict. It supports a maximum data rate of 250 Mbps, making it ideal for high-performance applications. The 74LVC245AQ20-13 also includes TTL-compatible inputs for easy integration with other components.
The package comes in a 20-pin TSSOP, which offers a compact footprint for space-constrained designs. It is commonly used in communication systems, data acquisition, and level-shifting applications. Overall, the 74LVC245AQ20-13 provides reliable signal integrity and flexibility in digital circuit design.

Features

The 74LVC245AQ20-13 is an octal bus transceiver designed for high-speed data transmission. Key features include:
- High-Speed Operation: Supports data rates up to 250 Mbps.
- Low Voltage Operation: Compatible with 1.2V to 3.6V supply voltage, making it suitable for various applications.
- Bidirectional Data Transfer: Facilitates communication between two different voltage levels.
- 3-State Outputs: Allows for easy interfacing with bus systems by providing high-impedance outputs.
- Internal Pull-Up Resistors: Ensures reliable operation in logic high conditions.
- Wide Operating Temperature: Functional across -40°C to +125°C.
- Low Power Consumption: Ideal for battery-operated devices, with a typical supply current of 1 µA.
- Compact Package: Available in a 20-pin TSSOP package, minimizing PCB space.
These features make the 74LVC245AQ20-13 suitable for various applications, including data communication and interfacing in digital systems.

Package

The 74LVC245AQ20-13 is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The 74LVC245AQ20-13 is an octal bus transceiver with 20 pins. Its primary function is to facilitate bidirectional data transfer between two buses while ensuring compatibility with low-voltage logic levels. The device includes an enable control that allows for bus isolation, and it supports both 3.3V and 5V logic levels.
The pin configuration is as follows:
1. A1 to A8 - Data inputs (A-bus)
2. B1 to B8 - Data outputs (B-bus)
3. DIR - Direction control pin (determines the data flow direction)
4. OE - Output enable (active low)
5. GND - Ground
6. VCC - Power supply (typically 3.3V or 5V)
This device is particularly useful in digital circuits where signal level translation and data buffering are required.

Manufacturer

The manufacturer of the 74LVC245AQ20-13 is Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, known for designing and manufacturing a wide range of electronic components, including analog and embedded processing chips. TI serves various markets, including automotive, industrial, communications, and consumer electronics. The company is recognized for its innovations in analog and digital signal processing, and it plays a significant role in the development of technologies that enable modern electronics. Texas Instruments also provides extensive support and resources for engineers and designers through educational tools and development kits.

Application

The 74LVC245AQ20-13 is a high-speed, low-voltage octal buffer/driver designed for bus-based applications. Its main application areas include data communication between microcontrollers and peripherals, signal buffering in digital circuits, level shifting between different voltage systems, and interfacing with memory devices. It is commonly used in consumer electronics, automotive systems, and industrial automation for reliable data transfer and signal integrity.

Equivalent

The 74LVC245AQ20-13 is a high-speed buffer/driver with 20 pins. Equivalent products include:
1. 74LVC244A
2. 74LVC245A
3. 74LVX245
4. 74AHC245
5. 74HC245
Ensure to check specifications like voltage levels, drive strength, and power supply requirements for compatibility.

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