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CDCM1802

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具有可编程分频器的时钟缓冲器，LVPECL I/O 和 LVCMOS 输出

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数据表

CDCM1802

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产品详情

Function Clock divider, Fanout Additive RMS jitter (typ) (fs) 150 Output frequency (max) (MHz) 800 Number of outputs 1 Output supply voltage (V) 3.3 Core supply voltage (V) 3.3 Output skew (ps) 1600 Features Pin programmable Operating temperature range (°C) -40 to 85 Rating Catalog Output type LVCMOS, LVPECL Input type LVPECL
Function Clock divider, Fanout Additive RMS jitter (typ) (fs) 150 Output frequency (max) (MHz) 800 Number of outputs 1 Output supply voltage (V) 3.3 Core supply voltage (V) 3.3 Output skew (ps) 1600 Features Pin programmable Operating temperature range (°C) -40 to 85 Rating Catalog Output type LVCMOS, LVPECL Input type LVPECL
VQFN (RGT) 16 9 mm² 3 x 3
  • Distributes One Differential Clock Input to One LVPECL Differential Clock Output and One LVCMOS Single-Ended Output
  • Programmable Output Divider for Both LVPECL and LVCMOS Outputs
  • 1.6-ns Output Skew Between LVCMOS and LVPECL Transitions Minimizing Noise
  • 3.3-V Power Supply (2.5-V Functional)
  • Signaling Rate Up to 800-MHz LVPECL and
    200-MHz LVCMOS
  • Differential Input Stage for Wide Common-Mode Range Also Provides VBB Bias Voltage Output for Single-Ended Input Signals
  • Receiver Input Threshold ±75 mV
  • 16-Pin VQFN Package (3.00 mm × 3.00 mm)
  • Distributes One Differential Clock Input to One LVPECL Differential Clock Output and One LVCMOS Single-Ended Output
  • Programmable Output Divider for Both LVPECL and LVCMOS Outputs
  • 1.6-ns Output Skew Between LVCMOS and LVPECL Transitions Minimizing Noise
  • 3.3-V Power Supply (2.5-V Functional)
  • Signaling Rate Up to 800-MHz LVPECL and
    200-MHz LVCMOS
  • Differential Input Stage for Wide Common-Mode Range Also Provides VBB Bias Voltage Output for Single-Ended Input Signals
  • Receiver Input Threshold ±75 mV
  • 16-Pin VQFN Package (3.00 mm × 3.00 mm)

The CDCM1802 clock driver distributes one pair of differential clock input to one LVPECL differential clock output pair, Y0 and Y0, and one single-ended LVCMOS output, Y1. It is specifically designed for driving 50-Ω transmission lines. The LVCMOS output is delayed by 1.6 ns over the PECL output stage to minimize noise impact during signal transitions.

The CDCM1802 has two control pins, S0 and S1, to select different output mode settings. The S[1:0] pins are 3-level inputs. Additionally, an enable pin EN is provided to disable or enable all outputs simultaneously. The CDCM1802 is characterized for operation from −40°C to 85°C.

For single-ended driver applications, the CDCM1802 provides a VBB output pin that can be directly connected to the unused input as a common-mode voltage reference.

The CDCM1802 clock driver distributes one pair of differential clock input to one LVPECL differential clock output pair, Y0 and Y0, and one single-ended LVCMOS output, Y1. It is specifically designed for driving 50-Ω transmission lines. The LVCMOS output is delayed by 1.6 ns over the PECL output stage to minimize noise impact during signal transitions.

The CDCM1802 has two control pins, S0 and S1, to select different output mode settings. The S[1:0] pins are 3-level inputs. Additionally, an enable pin EN is provided to disable or enable all outputs simultaneously. The CDCM1802 is characterized for operation from −40°C to 85°C.

For single-ended driver applications, the CDCM1802 provides a VBB output pin that can be directly connected to the unused input as a common-mode voltage reference.

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类型 标题 下载最新的英语版本 日期
* 数据表 CDCM1802 Clock Buffer With Programmable Divider, LVPECL I/O + Additional LVCMOS Output 数据表 (Rev. C) PDF | HTML 2017年 7月 6日
应用手册 CDCM1802/CDCM1804 2004年 8月 4日

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仿真模型

CDCM1802 IBIS Model

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  • 器件标识
  • 引脚镀层/焊球材料
  • MSL 等级/回流焊峰值温度
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