Overview of Texas Instruments DS90CF363BMTX/NOPB

The Texas Instruments DS90CF363BMTX/NOPB is a high-speed, 3.3 V LVDS (Low Voltage Differential Signaling) serializer designed for efficient data transmission over differential pairs. It is specifically built for point-to-point high-speed data communication, offering low power consumption, low EMI (electromagnetic interference), and robust data integrity. The device is widely used in applications requiring fast serial data transmission such as video interfaces, imaging, and telecommunications.

Key Functional Characteristics

* LVDS Serializer: Converts 28 parallel TTL/CMOS input signals into a serial LVDS data stream.
* Data Rate: Supports serial data rates up to 165 Mbps per channel, allowing aggregate bandwidth suitable for high-resolution video and data communications.
* 3.3 V Power Supply: Operates at a nominal 3.3 V supply voltage, optimized for low power consumption and compatibility with modern digital logic.
* Low Power Consumption: Designed to minimize power dissipation, reducing thermal management requirements and enabling use in power-sensitive systems.
* Differential Output: Utilizes LVDS differential signaling to reduce EMI and crosstalk, improving signal integrity over longer cables or PCB traces.
* Single-Ended to Differential Conversion: Internally converts 28 single-ended inputs to a high-speed differential output.
* Multiplexing: Internally multiplexes data to achieve high-speed serial transmission while maintaining data integrity.
* Output Enable Functionality: Provides control over the output drivers to manage signal flow and reduce power consumption when idle.
* Clock Input: Requires an external clock input for synchronization of the serialized data stream.

Electrical Specifications

* Supply Voltage (VCC): 3.0 V to 3.6 V, nominally 3.3 V.
* Data Rate: Up to 165 Mbps per channel; aggregate data bandwidth up to approximately 4.62 Gbps (28 bits × 165 Mbps).
* Differential Output Voltage (V\_OD): Typically 350 mV differential output amplitude compliant with LVDS standards.
* Input Voltage Levels: Compatible with 3.3 V TTL/CMOS logic input levels.
* Propagation Delay: Approximately 5 to 10 ns, depending on operating conditions.
* Power Consumption: Typical operating current around 120 mA, with shutdown mode significantly reducing consumption.
* Operating Temperature Range: Industrial grade, typically –40°C to +85°C, suitable for robust environments.
* ESD Protection: High level of electrostatic discharge protection, ensuring reliability during handling and operation.

Mechanical and Packaging

* Package Type: 48-pin Thin Shrink Small Outline Package (TSSOP), which allows for compact PCB layouts.
* Pin Configuration: Designed with a pinout optimized for parallel input signals and differential output pairs, simplifying board design and signal routing.
* RoHS Compliant: Manufactured with lead-free processes, compliant with environmental standards.

Functional Description

* The DS90CF363BMTX/NOPB receives 28 parallel input bits synchronously clocked, which it serializes into a high-speed LVDS data stream transmitted over one differential pair.
* The device requires a stable external clock input for serialization timing.
* An output enable pin allows for placing the outputs in a high-impedance state, useful for power savings and bus sharing.
* Internal multiplexers and serializers are optimized for minimal skew and low jitter, maintaining high signal integrity.
* The LVDS outputs provide low voltage swing and differential signaling which reduces electromagnetic interference and enhances noise immunity.

Applications

* Video Data Transmission: Commonly used in flat-panel displays, digital cameras, and video processors where high-speed video data must be transmitted with minimal noise.
* Imaging Systems: Suitable for medical imaging and industrial machine vision systems requiring high data throughput and signal integrity.
* Telecommunications: Employed in high-speed data communication links for network infrastructure.
* Test Equipment: Used in high-speed data acquisition and test systems requiring precise timing and data integrity.
* Embedded Systems: Facilitates data transfer in embedded systems requiring robust and efficient serial communication between modules.

Reliability and Quality

* Designed for high reliability in industrial and commercial applications.
* Tested for operation over a wide temperature range and under various supply voltage conditions.
* Built-in ESD protection and compliance with industry standards for signal integrity.
* Packaging and manufacturing processes ensure long-term durability and stable performance.

Summary

The Texas Instruments DS90CF363BMTX/NOPB is a robust, high-speed 28-bit LVDS serializer optimized for efficient and low-noise data transmission in a variety of demanding applications. Its combination of high data throughput, low power consumption, and differential signaling makes it ideal for video, imaging, telecommunications, and embedded system data interfaces. The device’s industrial-grade specifications and compact packaging provide designers with a reliable solution for implementing high-performance serial data links in complex system designs.