MAX6008BESA

Overview of Texas Instruments SN74LVC16245ADGVR

The Texas Instruments SN74LVC16245ADGVR is a 16-bit bidirectional transceiver designed for high-speed data transfer in digital circuits. It is part of the LVC family, which is known for offering low voltage and low power consumption while maintaining high performance. The device is used for interfacing between different logic families, particularly when there is a need to transfer data between components with different voltage levels. This makes it ideal for use in a wide range of applications including communication systems, memory interface, and digital signal processing systems.

Device Type and Features

The SN74LVC16245ADGVR is a 16-bit transceiver with a 3-state output, enabling it to operate in both input and output modes. The device is designed to support bidirectional data transfer, allowing for high-speed communication between different components in a digital system. It is built with low-voltage CMOS (LVCMOS) technology, ensuring compatibility with both TTL and CMOS logic circuits.

Key Features

* 16-Bit Bidirectional Transceiver: The device supports 16-bit bidirectional data transfer, enabling efficient communication between two systems. This feature allows data to flow in both directions, reducing the need for multiple transceivers in complex digital systems.

* 3-State Output: The SN74LVC16245ADGVR features 3-state output buffers, which means the output can be in one of three states: logic high, logic low, or high impedance. This allows the device to be easily integrated into shared data buses or other systems requiring high-impedance states to avoid conflicts.

* Low Power Consumption: The device operates at a low power supply voltage of 2.3 V to 3.6 V, making it suitable for energy-efficient designs, including portable and battery-operated systems.

* Wide Voltage Range: The transceiver operates within a supply voltage range of 2.3 V to 3.6 V, offering flexibility in low-voltage designs while ensuring compatibility with standard 3.3 V systems.

* High-Speed Data Transfer: The device is capable of operating at speeds up to 150 Mbps, making it suitable for high-performance applications where rapid data transmission is required.

* Standard Logic Levels: The SN74LVC16245ADGVR is compatible with both TTL and CMOS logic levels, making it versatile for use in systems that require interfacing with different logic families.

* Low Input/Output Drive Current: The device features low input and output drive currents, minimizing the power consumed by the device during operation.

* Enhanced ESD Protection: The device has integrated ESD protection to prevent damage due to electrostatic discharge, which enhances the robustness of the device in industrial and automotive applications.

* Input/Output Direction Control: The device includes an output enable (OE) control pin and direction control (DIR) pin, allowing users to control the data direction and enable or disable outputs. This makes it easy to configure the device for different use cases.

* Packaging: The device comes in a 20-pin TSSOP package (DGVR), making it suitable for designs with limited PCB space. The small form factor allows for easy integration into high-density digital circuits.

Electrical Characteristics

* Supply Voltage (Vcc): The SN74LVC16245ADGVR operates within a supply voltage range from 2.3 V to 3.6 V. This low voltage requirement ensures minimal power consumption while maintaining compatibility with modern CMOS logic circuits.

* Logic Levels:

* High-level Output Voltage (VOH): The device outputs a high voltage level (VOH) of at least 2 V at Vcc = 3.3 V.
* Low-level Output Voltage (VOL): The device outputs a low voltage level (VOL) of at most 0.5 V at Vcc = 3.3 V.
* Input Voltage (VIH): High-level input voltage (VIH) for logic "1" is typically 2 V, while the low-level input voltage (VIL) for logic "0" is 0.8 V at Vcc = 3.3 V.

* Operating Current (ICC): The typical operating current is approximately 10 µA per channel, ensuring the device consumes minimal power during regular operation.

* Output Drive Current: The device is capable of sourcing or sinking current up to 12 mA per output, which ensures that it can drive loads within standard logic circuits without the need for external drivers.

* Data Rate: The maximum data rate supported by the SN74LVC16245ADGVR is 150 Mbps, making it suitable for high-speed communication applications in digital systems.

* Propagation Delay (tpd): The propagation delay from input to output is typically 4 ns at Vcc = 3.3 V, ensuring minimal latency in signal transmission.

* I/O Capacitance: The I/O capacitance is typically 6 pF, minimizing the impact of parasitic capacitance on signal integrity during high-speed operation.

Thermal and Mechanical Characteristics

* Operating Temperature Range: The device is designed to operate over a temperature range of -40°C to +85°C, ensuring reliable performance in a variety of industrial and automotive applications.

* Package Type: The SN74LVC16245ADGVR comes in a 20-pin TSSOP (Thin Shrink Small Outline Package) package, which is ideal for space-constrained applications requiring high-density, surface-mount components.

* Thermal Resistance (θJA): The typical thermal resistance from junction to ambient (θJA) is 100°C/W, providing efficient heat dissipation during operation.

Applications

The SN74LVC16245ADGVR is well-suited for a wide range of applications, particularly those that require fast data transfer and bidirectional communication between components with different logic families or voltage levels. Some of the key applications include:

* Communication Systems: The device is commonly used in communication systems that require high-speed, bidirectional data transfer, such as networking equipment and communication protocols.

* Data Buses: The transceiver is ideal for use in systems that require shared data buses, allowing multiple devices to transmit and receive data on the same bus with proper control.

* Memory Interfaces: The device is used in memory interfaces, where it facilitates bidirectional data transfer between memory modules and processors, ensuring fast and reliable communication.

* Embedded Systems: In embedded system designs, the SN74LVC16245ADGVR is used to interface microcontrollers, sensors, and other peripherals that require high-speed, bidirectional data transfer.

* Industrial Automation: The device is ideal for industrial automation systems, where it is used for communication between different controllers, sensors, and actuators in the system.

* Automotive Applications: In automotive systems, the transceiver can be used for communication between electronic control units (ECUs), enabling reliable data transfer in harsh environments.

* Consumer Electronics: The SN74LVC16245ADGVR is used in consumer electronics where bidirectional data transfer is required, such as in digital displays, audio systems, and other peripheral devices.

Protection Features

* Overvoltage Protection: The device includes overvoltage protection to prevent damage from voltage spikes, making it robust in systems with fluctuating voltage levels.

* Short-Circuit Protection: The transceiver features short-circuit protection on its output, safeguarding the device from external faults and preventing damage to both the device and the system.

* Electrostatic Discharge (ESD) Protection: The SN74LVC16245ADGVR is equipped with built-in ESD protection, which enhances the reliability and longevity of the device by preventing damage from electrostatic discharge.

Summary of Main Electrical Parameters

| Parameter | Typical Value |
| ------------------------------- | ------------------------ |
| Supply Voltage (Vcc) | 2.3 V to 3.6 V |
| Operating Current (ICC) | 10 µA per channel |
| High-Level Output Voltage (VOH) | ≥ 2 V (at Vcc = 3.3 V) |
| Low-Level Output Voltage (VOL) | ≤ 0.5 V (at Vcc = 3.3 V) |
| High-Level Input Voltage (VIH) | ≥ 2 V |
| Low-Level Input Voltage (VIL) | ≤ 0.8 V |
| Maximum Data Rate | 150 Mbps |
| Output Drive Current | ±12 mA |
| Propagation Delay | 4 ns |
| Operating Temperature Range | -40°C to +85°C |
| Package Type | 20-pin TSSOP |
| Thermal Resistance (θJA) | 100°C/W |

The Texas Instruments SN74LVC16245ADGVR is a versatile and efficient 16-bit bidirectional transceiver that offers high-speed data transfer, low power consumption, and reliable communication between logic circuits. Its compact TSSOP package and wide voltage range make it suitable for a variety of applications in communication systems, memory interfaces, embedded systems, industrial automation, and automotive designs.