产品
信号完整性
Semtech GN2504
低功耗四通道 CDR 25-28 Gbps 无基准中继器
The GN2504 is a uni-directional quad-CDR retimer designed for reference-free 25-28Gbps signal conditioning on linecards interfacing next-generation modules such as CFP2, CFP4 and QSFP28 and to interface next-generation 25-28Gbps backplanes.
概览
功能
- 4x 25-28Gbps reference-free Clock and Data Recovery with adjustable equalization
- Supports channel loss > 30dB
- Input jitter tolerance after equalization: 0.75UIpp
- Less than 7pspp output jitter
- High-performance serial data inputs
- Sensitivity better than 50mVppd
- Adjustable continuous-time linear equalization
- Flexible serial data output drivers
- Wide programmable swing range
- 200mVppd to 1100mVppd
- Programmable output de-emphasis
- 3D eye monitor
- Programmable lane polarity inversion
- Per-lane loss of signal detection
- Per-lane loss of CDR lock indication
- Optional synchronous monitor clock output
- PRBS 9, 15, 31 generator/checker
- Integrated voltage and temperature sensor
- Integrated I2C Host Interface
- Single 1.8V power supply
- Power dissipation: 525mW
- 5mm x 7mm 54-pin QFN package
- 0.4mm pin pitch
- -20°C to +100°C case operation
- Pb-free/RoHS-compliant
应用
- CEI-28G-VSR 4x25G retimed interfaces
- CAUI-4 4x25G retimed interfaces
- 25G to 28G backplanes
封装
GN2504-INE3 | 54-pin QFN