Questions tagged [tqfp]
For questions about the TQFP (thin quad flat pack) integrated circuit package. Consider using in conjunction with the "integrated-circuit" tag.
4 questions
22
votes
8
answers
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Pre-programming surface mount ICs
I'm trying to set up a PCB with an atmega168 and no programming header. I intend to use a serial bootloader (there is a ft232 on the board) to reprogram but I am wondering about the best way to ...
- 5,145
19
votes
1
answer
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LQFP package vs. TQFP package?
In my PCB editor, both LQFP and TQFP have the same footprints, except the TQFP has shorter leads than the LQFP. Is that the only difference?
- 32.2k
15
votes
1
answer
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What is the difference between VQFP, HVQFP, TQFP & PQFP?
VSC7145XRU-31/C - this IC uses PQFP package
the replacement component for that TLK2201 uses HVQFP package
also TLK2541 uses TQFP
that's why i wanted to know whats the clear difference between ...
- 151
5
votes
2
answers
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Pad dimensions and land patterns for QFPs
I'm putting together a footprint for a 100-pin, 14x14mm TQFP, and I'm finding conflicting designs. The pitch and width of the pads are all basically the same, but the length and centering of the pads ...
- 20.2k