- 制造厂商：TI
- 产品类别：时钟和计时
- 技术类目：时钟缓冲器
- 功能描述：具有可编程分频器的时钟缓冲器，LVPECL I/O 和 LVCMOS 输出
- 点击这里打开及下载CDCM1802的技术文档资料
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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.
- 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)
- 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
CDCM1802的完整型号有：CDCM1802RGTR、CDCM1802RGTT，以下是这些产品的关键参数及官网采购报价：
CDCM1802RGTR，工作温度：-40 to 85，封装：VQFN (RGT)-16，包装数量MPQ：3000个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网CDCM1802RGTR的批量USD价格：4.778（1000+）
CDCM1802RGTT，工作温度：-40 to 85，封装：VQFN (RGT)-16，包装数量MPQ：250个，MSL 等级/回流焊峰值温度：Level-2-260C-1 YEAR，引脚镀层/焊球材料：NIPDAU，TI官网CDCM1802RGTT的批量USD价格：5.647（1000+）
CDCM1802 IBIS Model
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