74AVC20T245DGG

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74AVC20T245DGG

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  • Mfr. Parte #74AVC20T245DGG
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Especificaciones

Descripción general

Description

The 74AVC20T245DGG is a high-speed, dual-supply level-shifting transceiver designed for bidirectional communication between devices operating at different voltage levels. It is part of the 74AVC family of devices, known for low power consumption and high-speed operation. This specific component features two independent channels, allowing for seamless data transmission between 1.2V to 3.6V systems and 3.3V to 5V systems, making it suitable for interfacing modern low-voltage digital circuits with legacy components.
Key features include wide supply voltage ranges, fast data rates of up to 400 Mbps, and a low propagation delay, which enhances performance in high-speed applications. The DGG package indicates a small, lead-free, and RoHS-compliant surface mount configuration, suitable for compact PCB designs.
Overall, the 74AVC20T245DGG is ideal for applications in communication interfaces, level shifting, and data bus systems in consumer electronics, automotive, and industrial devices.

Features

The 74AVC20T245DGG is a dual supply level-shifting bidirectional transceiver designed for interfacing between different voltage domains. Key features include:
1. Bidirectional Data Flow: Supports signal transmission in both directions, making it suitable for communication between devices operating at different voltage levels.
2. Dual Supply Operation: Operates with separate power supplies for the A and B ports, allowing voltage levels from 1.2V to 3.6V.
3. High-Speed Operation: Capable of data rates up to 200 Mbps, ensuring fast communication between devices.
4. Low On-Resistance: Offers low on-resistance for minimal signal degradation, enhancing performance.
5. Active Bus Hold: Maintains a valid logic level on the bus when the input is floating, preventing the bus from floating.
6. Protection Features: Includes provisions to protect against over-voltage and under-voltage conditions.
7. Small Package Size: Available in a compact TSSOP package, ideal for space-constrained applications.
These features make the 74AVC20T245DGG suitable for various applications in digital systems where level shifting is required.

Package

The 74AVC20T245DGG is packaged in a TSSOP (Thin Shrink Small Outline Package) with a 20-pin configuration. This compact form factor is designed for surface-mount applications, facilitating efficient board space usage.

Pinout

The 74AVC20T245DGG is a dual 8-bit transceiver with configurable voltage levels, designed for high-speed data transmission. It has a total of 20 pins.
### Pin Count and Functions:
- A1-A8: Data input for the A bus (transmit side).
- B1-B8: Data output for the B bus (receive side).
- DIR (Direction control): Determines the direction of data flow between A and B.
- OE (Output Enable): When low, enables the outputs; when high, puts outputs in high-impedance state.
- VCCA: Voltage supply for the A side (input).
- VCCB: Voltage supply for the B side (output).
- GND: Ground connection.
This device facilitates bidirectional data transfer with voltage translation between different logic levels, making it suitable for interfacing between devices operating at different supply voltages.

Manufacturer

The manufacturer of the 74AVC20T245DGG is Texas Instruments (TI). Texas Instruments is a global semiconductor design and manufacturing company, widely recognized for its development of analog and embedded processing chips. Founded in 1930, TI is headquartered in Dallas, Texas, and plays a significant role in various sectors, including automotive, industrial, communications, and consumer electronics. The company is particularly known for its innovations in digital signal processing and microcontrollers, providing essential components for a wide range of electronic devices. TI's products are used in countless applications, from smartphones to industrial automation systems.

Application

The 74AVC20T245DGG is a dual supply level-shifter and bus transceiver. It is commonly used in interface applications between different voltage domains, such as connecting 3.3V and 5V systems. Its applications include data communication, interfacing microcontrollers and sensors, and facilitating signal translation in embedded systems. The device supports high-speed data transfer and is suitable for both bidirectional and unidirectional signaling in various electronics, including consumer devices, automotive systems, and industrial automation.

Equivalent

The 74AVC20T245DGG is a 20-bit dual supply level shifting buffer/driver. Equivalent products include:
1. 74LVC20T245 - A similar level shifter but with different voltage specifications.
2. 74AHC20T245 - Offers higher speed with similar functionality.
3. 74AHCT20T245 - Provides TTL-compatible levels.
Always confirm specifications like voltage levels and speed before substituting.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria