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NCS23347
- 输入类型 : XTAL, Single-Ended,Differential-Ended inputs
- 输入端口数 : 4
- 输出端口数 : 8
- 输出类型 : LVDS, LVPECL, LVCMOS,HCSL
- 器件类型 : Jitter Attenuator+Clock Synthesizer
- Core Supply Voltage(V) :
- Output Supply Voltage(V) :
- Output frequency（Min）（MHz） :
- Output frequency（Max）（MHz） :
- Additive Jitter(fs) :
- Temperature Range :
- Package :
输入端口数: 4
输出端口数: 8
输出类型: LVDS, LVPECL, LVCMOS,HCSL
器件类型: Jitter Attenuator+Clock Synthesizer
所属分类
PLL
NCS23347
产品描述
产品描述
NCS23347 jitter attenuators / clock multiplier combines APLL and DPLL to deliver ultra-low jitter (140fs) for high performance applications like 56G SerDes. All PLL components are fully-integrated on-chip, eliminating the risk of noise coupling associated with discrete solutions. It features 4 differential or single-ended clock inputs and 8 differential or 16 single-ended clock outputs. Furthermore, 4 independent APLL / DPLL outputs can be locked to any of the inputs and sent to any of the chip outputs. Each output can be configured as LVDS, LVPECL or two single-ended LVCMOS. In addition, each output clock phase can be adjusted dynamically.
NCS23347 supports free-run, synchronous and holdover modes as well as enhanced automatic or manual hitless switching between input clocks. It is programmable by I2C or SPI serial interface. NCS23347 is capable of generating any combination of output frequency from any input frequency as specified in the datasheet.
产品参数
• Generate any combination of output frequencies from any input frequency
• External XTAL or XO reference frequency from 10MHz to 285MHz
• Ultra-low phase jitter of 140 fs RMS 12kHz-20MHz
• Supports free-run, synchronous (Lock input) and holdover modes as well as enhanced hitless switching
• Supports up to 4 independent APLL/DPLL loops and 8 outputs
• Supports 4 differential or single-ended clock inputs
• Meets G.8262, E.8262.1 EEC Standards
• Status monitoring (LOS, OOF, LOL)
• Zero delay mode
• DCO mode
• Serial Interface: I2C or SPI
• Input frequency range
Differential: 8 kHz to 1 GHz
LVCMOS: 8 kHz to 250 MHz
• Output frequency range
Differential: 8 kHz to 1 GHz
LVCMOS: 8 kHz to 250 MHz
• Highly configurable outputs format compatible with LVDS, LVPECL, LVCMOS, CML and HCSL with programmable signal amplitude and output common voltage
• Independent output clock supply pins: 3.3V, 2.5V, or 1.8V.
• Package: QFN 64pin (9mm x 9mm)
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