PCB4-16层叠层

1、一4层板PCB排版结构L1(TOPLAYER)-2116+10807.3mil1.9mil(介电常数43)L2(GND )1 2mil1 GND )Core 61milL3(VCC)i. 2mil2116+10807.3mil（介电常数43）L4(BOTTOMLAYER )1.9mil说明：L1、L4为信号层，L2、L3为电源层；总厚度：79.5*0.0254 = 2.0mm差分线宽6mil, 5mil间距，阻抗值100欧姆；差分线宽5mil， 4mil间距，阻抗值100欧姆差分线宽7mil，6.5mil间距，阻抗值100欧姆.六层板叠层顺序TOP -21164.5mil1.9milGND-1

2、.2milCore8.27milS1 -1.2mil7628*2+211616.9milVCC-1.2milCore37.4milVDD-1.2mil21164.5milBOT-1.9m总厚度：78*0.0254 = 2.0mm外层线路：单端线6mil54 QJ单端线4mil65Q ;差分线6mil线宽16mil间距100 Q。第三层：单端线 6.0mil56 QJ单端线4mil68Q差分线6mil线宽10mil间距100 Q。 . 八层板叠层顺序TOP 1080*27.3mil1.9milGND1.2milCore20.08milS1 1.2milVCCCore20.08mil1.2milV

3、DD1.2mil7628*2+2116 16.9milS2 1.2milCore20.08milGND1.2mil1080*27.3milBOT1.9mil总厚度：117*0.0254 = 3.0mm外层线路：单端线12mil 50QJ单端线6.5mil 68QJ单端线5mil 75Q差分线4mil 线宽19mil间距差分线7mil 线宽7mil间距7628*2+2116 16.9mil150 Q。100 Q第三六层：单端线14mil50Q;单端线6.5mil68Q单端线5mil75Q差分线4mil线宽26mil间距差分线5mil线宽6mil间距150Q100Q 。四 . 十层板叠层顺序TOP

4、 layer 11.933133.9milGNDlayer 20.6thin core 5.12milSIGlayer 3-0.62116*2 -8milGNDlayer 40.6thin core 5.12milSIGlayer 5-0.67628*2 13.2milSIGlayer 6-0.6thin core 5.12milVCC1layer 70.62116*2 -8milSIG4layer 80.6thin core 5.12milVCC2layer 90.633133.9milBOTlayer 101.9总厚度： 63.7*0.0254=1.6mm外层单线6mil50 Ohm第五六

5、层单线6mil50 Ohm第三八层单线5mil50 Ohm五 . 十二层板叠层顺序TOP layer 11.921164.5milPLNlayer 21.2thin core5.12milPLNlayer 31.276286.5milSIGlayer 41.2thin core5.12milPLNlayer 51.21080*2 -4.8milSIGlayer 61.2thin core5.12MILSIGlayer 71.21080*2 -4.8milPLNlayer 81.2thin core5.12milSIG layer 91.27628 -6.5milPLNlayer 101.2th

6、in core -5.12milPLNlayer111.22*1080-4.5milBOTLAYER12-总厚度： 70.6*0.0254=1.79mm外层 单线 6mil 53.7ohm内层 单线 L4 、L9 层 4mil 51ohm单线 L6、L7 层 4mil 54.12ohm六 . 十四层板叠层顺序TOP -1.9mil12116 4.5milPLN -0.6mil2Core 5.12milPLN -0.6mil37628 6.5milSIG 0.6mil4Core 8.27milSIG 0.6mil 57628 6.5milPLN -0.6mil6Core 8.27miSIG -0

7、.6mil77628 6.4milSIG 0.6mil8Core 8.27miPLN 0.6mil 97628 6.5milSIG -0.6mil10Core 8.27miSIG -0.6mil 117628 6.5milPLN 0.6mil 12Core 5.12miPLN 0.6mil132116 4.5milBOT -1.9mil14厚度总计 : 93*0.0254 =2.37mm第一和十四层 单端6.8mil线宽，50Q;单端4.8mil线宽，60Q ;差分线宽4.81mil ,间距7mil,阻抗值100Q差分线宽4mil，间距12.93mil,阻抗值100Q内层 L4、L5、L10、

8、L11 单端 8mil 线宽，50Q ;单端5.3mil线宽，60Q ;差分线宽5mil，间距5.43mil,阻抗值100Q差分线宽4.5mil，间距12.23mil,阻抗值120Q 内层L7、L8单端9mil线宽，50Q ;单端6mil线宽，60Q ;差分线宽5mil，间距5.43mil,阻抗值100Q差分线宽4.7mil，间距12.03mil,阻抗值120Q七 . 十六层板叠层顺序TOP -1.9mil13313 3.9milPLN 0.6mil2Core 3.9milSIG -0.6mil321163.8miSIG 0.6mil4Core 3.9milPLN -0.6mil51080*2 4.8milSIG 0.6mil6Core 5.12milPLN -0.6mil721164.4miPLN 0.6mil8Core 5.12milSIG -0.6mil91080*2 4.8milPLN 0.6mil10Core 5.12milSIG -0.6mil111080*24.8miPLN 0.6mil12Core 3.9milSIG