Electronics Forum | Thu Aug 12 10:49:22 EDT 1999 | Ray Hare
I am currently involved with designing a pcb which will use 225 pin bga,s The problem with this design is that the components will dissipate a lot of heat and the design we have come up with is use the middle 6 or 7 rows of balls as the grounding,th
Electronics Forum | Fri Aug 13 05:38:45 EDT 1999 | stefano bolleri
Ray, what about allowing everybody else to know about the "more info" ???? This is supposed to be a forum, isn't it? Bye, SB | Thanks for the reply, | i have sent you an e mail with more info in it. | thanks ray hare
Electronics Forum | Thu Aug 12 17:15:56 EDT 1999 | Jim Blankenhorn
| I am currently involved with designing a pcb which will use 225 pin bga,s | The problem with this design is that the components will dissipate a lot of heat and the design we have come up with is | use the middle 6 or 7 rows of balls as the ground
Electronics Forum | Fri Aug 13 04:12:41 EDT 1999 | ray hare
| | I am currently involved with designing a pcb which will use 225 pin bga,s | | The problem with this design is that the components will dissipate a lot of heat and the design we have come up with is | | use the middle 6 or 7 rows of balls as the
Electronics Forum | Tue Feb 23 04:54:54 EST 2016 | truewanderer
Hi, i have a confusion to read the dimension of BGA package from the datasheet. I have attached the datasheet below. Is this diameter of the ball 0.30mm or 0.15mm. I'm confused about the values given in the box. Whats meant by M, S, A and B. Please g
Electronics Forum | Sat Oct 28 02:11:56 EDT 2000 | hendri
dear sir/madame I am student sepuluh nopember institute technology of surabaya in indonesia country i have project that use cad/cam software for making pcb and i've got information that orcad,protel(os windows) and menthor graphic () can use
Electronics Forum | Fri Jan 19 06:52:36 EST 2001 | pteerink
We have had the same problem with several boards, and the problem was with the land pattern design on the PCB, not the stencil. We found that the part tends to center itself on the one large pad, and if the two smaller pads are not the right distance
Electronics Forum | Fri Aug 22 00:20:29 EDT 2008 | rameshr
Hai, In our process we are using the micro bga of size 13X13mm of pitch 0.45mm,after soldering process the bga found collapsed, we absorbed that the PCB land pattern of the BGA was not in array, uneven distribution of pads (area) & most of the pads
Electronics Forum | Tue Oct 22 10:23:38 EDT 2002 | davef
ubga and stencil
Electronics Forum | Thu Feb 11 07:24:40 EST 2016 | truewanderer
I'm planning to design the pcb of my project. The controller used is having 136 pins and the package is P-LFBGA. So i think i need to design a 6 layer board for better performance. I haven't designed a multi layer board before. So what are things tak
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