概览
The GN2012 is an integrated bi-directional CDR and limiting amplifier for XFP SONET, 10GBase-LR Ethernet and 8.5Gb/s Fibre Channel applications.
The transmit path consists of optional input equalization, a multi-rate Tx CDR, and a de-emphasis driver. The receive path is comprised of a limiting amplifier with programmable equalization, a multi-rate Rx CDR and output de-emphasis. Both transmit and receive directions offer the option for polarity invert, loopback, output mute, and programmable output equalization.
The GN2012 is a highly-programmable device, with features supporting DWDM applications. These include a programmable slice level adjust, programmable limiting amplifier peaking, and programmable sampling phase.
GN2012 配置有集成模数转换器，可通过串行接口，提供有关电源电压、芯片温度和眼图监视器的数字诊断信息。
The GN2012 is configurable for multi-rate operation, and can support both 8G Fibre Channel, 10GbE and SONET OC-192 in a single device.
The GN2012 device is packaged in a small outline 5mm × 5mm 32-pin, high-frequency QFN package, with exposed pad. The GN2012 is Pb-free, and the encapsulation compound does not contain halogenated flame retardant. This component and all homogeneous sub-components are RoHS compliant.
功能
- Dual CDR with 8.5Gb/s, 9.95-11.3Gb/s and 10.3-11.7Gb/s reference-free operation
- Integrated limiting amplifier with sensitivity less than 7mV
- Digital control through I2C or SPI interface
- Programmable Jitter Transfer bandwidth
- Bi-directional loopback
- Polarity invert and output available in both transmit and receive direction
- 任务模式型眼图监视器
- PRBS Generator and Checker
- Programmable Limiting Amplifier Equalization
- Programmable Transmit Input Equalization
- Programmable Input Slice Level Adjust
- Programmable LOS with adjustable threshold and hysteresis
- Programmable Sampling Phase Adjust
- Integrated analog to digital converter, which provides access to digital diagnostic information on supply voltage and die temperature
- Single 3.3V supply (+5% / - 15%)
- Programmable divide by 16 or 64 clock output from either transmit or receive recovered clocks
- 5x5 32-pin QFN package
- -40°C to 100°C case operation
应用
- XFP & SFP+ 10Gb/s SONET optical transceivers
- XFP & SFP+ 10G Ethernet optical transceivers
- XFP & SFP+ 8.5Gb/s Fibre Channel transceivers
- SFP+ line card repeater
- 40GbE CFP modules
Inventory
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