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Si53321-B-GM 数据表(PDF) 8 Page - Silicon Laboratories |
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Si53321-B-GM 数据表(HTML) 8 Page - Silicon Laboratories |
8 / 51 page 2.5 Output Clock Termination Options The recommended output clock termination options for dc and ac are shown below. Unused outputs should be left unconnected. Si5332x VDDXX Q Qb Si5332x VDDXX Q Qb R1 VDDO R2 R1 R2 50 50 LVPECL Receiver VTERM = VDDO – 2 V R1 // R2 = 50 Ohm DC Coupled LVPECL Output Termination Scheme 1 50 50 LVPECL Receiver VTERM = VDDO – 2 V 50 50 DC Coupled LVPECL Output Termination Scheme 2 Note: For Si53320/21/22/23/25/26, VDDXX = VDD = 3.3 V, 2.5 V For Si53327/28, VDDXX = VDDOA or VDDOB = 3.3 V, 2.5 V 3.3 V LVPECL: R1 = 127 Ohm; R2 = 82.5 Ohm 2.5 V LVPECL: R1 = 250 Ohm; R2 = 62.5 Ohm VDD = VDDO VDD = VDDO Figure 2.6. LVPECL DC Output Terminations Si53320-28 Data Sheet Functional Description silabs.com | Smart. Connected. Energy-friendly. Rev. 1.2 | 7 |
类似零件编号 - Si53321-B-GM |
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类似说明 - Si53321-B-GM |
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