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74AVC4TD245BQ

Name: 74AVC4TD245BQ
Rating: 4.7 (12 reviews)

Translation - Voltage Levels

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概述

Description

The 74AVC4TD245BQ is a high-speed, low-voltage, quad-level shifter designed for bidirectional data transmission between different voltage domains. It features four bidirectional channels, allowing efficient interfacing of devices operating at varying logic levels, typically between 1.2V and 3.6V. This device is particularly useful in applications such as level shifting for microcontrollers, sensors, and other digital ICs.
The 74AVC4TD245BQ operates with low power consumption, making it suitable for battery-powered devices. It includes a direction control pin that determines the data flow direction, optimizing performance for both transmission and reception. The device is housed in a compact package, enhancing its integration into space-constrained designs.
Overall, the 74AVC4TD245BQ is ideal for ensuring reliable communication across different voltage levels in modern electronic systems.

Features

The 74AVC4TD245BQ is a high-speed, low-power, 4-bit bus transceiver designed for interfacing between different voltage levels. Key features include:
1. Dual Supply Voltage: It operates with separate supply voltages for A and B ports, allowing for level shifting between 1.2V and 3.6V.
2. Bus Direction Control: The device has a direction control pin (DIR) that allows for bidirectional data transmission.
3. High-Speed Operation: It supports data rates up to 200 Mbps, suitable for high-performance applications.
4. Low Power Consumption: The design minimizes power usage, making it ideal for battery-operated devices.
5. 3-State Outputs: The outputs can be placed in a high-impedance state, enabling multiple devices to share the same bus without interference.
6. Compact Package: Available in a small footprint, it is suitable for space-constrained applications.
Overall, the 74AVC4TD245BQ is ideal for applications requiring reliable data communication between components operating at different voltage levels.

Package

The 74AVC4TD245BQ is packaged in a TSSOP (Thin Shrink Small Outline Package) with 20 pins.

Pinout

The 74AVC4TD245BQ is a quad bi-directional level shifter designed for interfacing between different voltage levels in digital circuits. It has a pin count of 20.
Pin Functions:
- A1-A4 (Pins 1-4): Input pins for the lower voltage side (A).
- B1-B4 (Pins 15-18): Output pins for the higher voltage side (B).
- DIR (Pin 5): Direction control pin; sets the direction of data flow.
- OE (Pin 6): Output enable pin; active low to enable the outputs.
- GND (Pin 10): Ground pin.
- VCCA (Pin 9): Supply voltage for the A side (lower voltage).
- VCCB (Pin 20): Supply voltage for the B side (higher voltage).
- NC (Pins 7, 8, 11-14, 19): No connect pins.
This device facilitates communication between systems operating at different voltage levels, ensuring compatibility and signal integrity.

Manufacturer

The manufacturer of the 74AVC4TD245BQ is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company known for its wide range of electronic components, including analog ICs, digital signal processors, and microcontrollers. Founded in 1930, the company is headquartered in Dallas, Texas, and serves various industries, including automotive, industrial, communications, and consumer electronics. TI is recognized for its innovations in analog and embedded processing technologies, and it plays a significant role in the development of integrated circuits (ICs) that are crucial for modern electronic devices.

Application

The 74AVC4TD245BQ is a quad-level bidirectional buffer/driver designed for high-speed data transmission between devices operating at different voltage levels. Its application areas include level shifting in communication interfaces, interfacing between microcontrollers and peripherals, data bus isolation, and signal buffering in various digital systems. It is commonly used in consumer electronics, automotive applications, and industrial control systems to enhance signal integrity and ensure compatibility between components.

Equivalent

The 74AVC4TD245BQ is a quad bidirectional level shifting buffer/driver. Equivalent products include:
1. 74LVC4245A
2. 74AHCT245
3. 74HCT245
4. 74LVC245
These chips may vary in specifications like voltage levels and drive strength, so verify compatibility for specific applications.