DS32EL0421系列介绍资料

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DS32EL0421

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具有 DDR LVDS 并行接口的 125MHz 至 312.5MHz FPGA-Link 串行器

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The DS32EL0421/DS32ELX0421 is a 125 MHz to 312.5 MHz (DDR) serializer for high-speed serial transmission over FR-4 printed circuit board backplanes, balanced cables, and optical fiber. This easy-to-use chipset integrates advanced signal and clock conditioning functions, with an FPGA friendly interface.

The DS32EL0421/DS32ELX0421 serializes up to 5 parallel input LVDS channels to create a maximum data payload of 3.125 Gbps. If the integrated DC-balance encoding is enabled, the maximum data payload achievable is 2.5 Gbps.

The DS32EL0421/DS32ELX0421 serializers feature remote sense capability to automatically detect and negotiate link status with its companion DS32EL0124/DS32ELX0124 deserializers without requiring an additional feedback path.

The parallel LVDS interface reduces FPGA I/O pins, board trace count and alleviates EMI issues, when compared to traditional single-ended wide bus interfaces.

The DS32EL0421/DS32ELX0421 is programmable through a SMBus interface as well as through control pins.

5-bit DDR LVDS Parallel Data Interface
Programmable Transmit De-emphasis
Configurable Output Levels (V_OD)
Selectable DC-balanced Encoder
Selectable Data Scrambler
Remote Sense for Automatic Detection and Negotiation of Link Status
On Chip LC VCOs
Redundant Serial Output (ELX device only)
Data Valid Signaling to Assist with Synchronization of Multiple Receivers
Supports AC- and DC-coupled Signaling
Integrated CML and LVDS Terminations
Configurable PLL Loop Bandwidth
Programmable Output Termination (50Ω or 75Ω).
Built-in Test Pattern Generator
Loss of Lock and Error Reporting
Configurable via SMBus
48-pin WQFN Package with Exposed DAP

Key Specifications

1.25 to 3.125 Gbps Serial Data Rate
125 to 312.5 MHz DDR Parallel Clock
-40° to +85°C Temperature Range
>8 kV ESD (HBM) Protection
Low Intrinsic Jitter — 35ps at 3.125 Gbps

All trademarks are the property of their respective owners.

Protocols	Catalog
Rating	Catalog
Operating temperature range (°C)	-40 to 85

WQFN (RHS)

49 mm² 7 x 7

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DS32EL0421

具有 DDR LVDS 并行接口的 125MHz 至 312.5MHz FPGA-Link 串行器

Key Specifications

4000-306-326