DS92LV2421 - 10 至 75 MHz，24 位频道链接 II 串行器

DS92LV2421是TI德州仪器公司的一款频道链接II产品，DS92LV2421是10 至 75 MHz，24 位频道链接 II 串行器，本站介绍了DS92LV2421的封装应用图解、特点和优点、功能等，并给出了与DS92LV2421相关的TI元器件型号供参考。

DS92LV2421 - 10 至 75 MHz，24 位频道链接 II 串行器 - 频道链接II - 串行器、解串器 - 德州仪器

产品描述

The DS92LV2421 (Serializer) / DS92LV2422 (Deserializer) chipset translates a parallel 24–bit LVCMOS data interface into a single high-speed CML serial interface with embedded clock information. This single serial stream eliminates skew issues between clock and data, reduces connector size and interconnect cost for transferring a 24-bit or less, bus over FR-4 printed circuit board backplanes, and balanced cables.

In addition to the 24-bit data bus interface, the DS92LV2421 and DS92LV2422 also features a 3-bit control bus for slow speed signals. This allows implementing video and display applications with up to 24–bits per pixel (RGB).

Programmable transmit de-emphasis, receive equalization, on-chip scrambling and DC balancing enables longer distance transmission over lossy cables and backplanes. The DS92LV2422 automatically locks to incoming data without an external reference clock or special sync patterns, providing easy “plug-and-go” operation. EMI is minimized by the use of low voltage differential signaling, receiver drive strength control, and spread spectrum clocking capability.

The DS92LV2421, DS92LV2422 chipset is programmable though an I2C interface as well as through pins. A built-in AT-SPEED BIST feature validates link integrity and may be used for system diagnostics.

The DS92LV2421 is offered in a 48-pin WQFN and the DS92LV2422 is offered in a 60-pin WQFN package. Both devices operate over the full industrial temperature range of -40°C to +85°C.

产品特性

General
- 24–Bit Data, 3–Bit Control, 10 – 75 MHz Clock
- AC Coupled STP Interconnect Cable up to 10 Meters
- Integrated Terminations on Ser and Des
- AT-SPEED Link BIST Mode and Reporting Pin
- Optional I2C Compatible Serial Control Bus
- Power Down Mode Minimizes Power Dissipation
- 1.8V or 3.3V Compatible LVCMOS I/O Interface
- -40° to +85°C Temperature Range
- >8 kV HBM
SERIALIZER — DS92LV2421
- Data Scrambler for Reduced EMI
- DC-Balance Encoder for AC Coupling
- Selectable Output VOD and Adjustable De-emphasis
DESERIALIZER — DS92LV2422
- FAST Random Data Lock; no Reference Clock Required
- Adjustable Input Receiver Equalization
- LOCK (Real Time Link Status) Reporting Pin
- EMI Minimization on Output Parallel Bus (SSCG)
- Output Slew Control (OS)

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