概要
説明
The HXT14450 is a quad-channel, low power, linear vertical-cavity surface-emitting laser (VCSEL) driver with an integrated clock and data recovery (CDR) unit. The chip is designed for MMF PMD Short-Reach applications that support 200G per port with a signaling rate up to 56Gbps PAM4 modulation. In conjunction with the HXR14450 – a quad-channel transimpedance amplifier (TIA) receiver with an integrated CDR, one can produce compact quad small form factor QSFP-type modules to serve high speed optical interconnects in data center applications.
The HXT14450 has a built-in adaptive linear equalizer and a decision-feedback equalizer (DFE), which can work in chip-to-module and chip-to-chip interconnects. The chipsets provide on-chip testability such as PRBS generator and error checker.
Designed for direct DC-coupled die with VCSEL or on-board optics (OBO) and with a small number of additional components for cost-effective and compact assemblies, this chipset enables lower power and compact modules for high density and high BW application in hyper-scale data center applications.
特長
- Quad 56Gb/s PAM4 VCSEL Driver integrated with a low latency CDR
- Low power – typical 490mW per channel
- Supports up to 11mA modulation current to VCSEL
- Programmable 8-bit IMOD and IBIAS control
- Adaptive linear equalizer and DFE
- Support reference-less and reference clock modes
- On-chip testability: eye opening monitor (EOM), jitter tolerance (JTOL), PRBS generator, error checker
- Integrated temperature sensor
- Input and output polarity inversion
- Programmable TX test pattern generation
- TX Disable, programmable loss of signal (LOS) and output de-emphasis
- I2C interface control
製品比較
アプリケーション
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| 分類 | タイトル | 日時 |
| データシート－簡略版 | PDF 286 KB | |
| EOL通知 | PDF 1.11 MB | |
| EOL通知 | PDF 160 KB | |
| 製品変更通知 | PDF 134 KB | |
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設計・開発
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Processing table
| WAFER | U | WFP | ||
| WAFER | U | WFP |
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ビデオ&トレーニング
HXT14450 / HXR14450 Integrated 56 Gb/s Optical CDR / Retimers
Watch an overview of the industry’s first CMOS-based PAM4 CDR solutions, HXT14450 50G/lane PAM4 integrated CDR with VCSEL driver and HXR14450 TIA designed for 200 Gb/s and 400 Gb/s transceivers and AOCs (active optical cables) in datacenters. The series features significantly lower power and smaller size compared with traditional DSP solutions, as well as higher integration – including an integrated MCU – to further simplify system design.
Video List
