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74xx245 pinout, 0.5mm pitch
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Topic: 74xx245 pinout, 0.5mm pitch (Read 1930 times)
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artag
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74xx245 pinout, 0.5mm pitch
«
on:
April 20, 2024, 04:41:53 pm »
Does anybody know of a 245 buffer (74CH245, 74LXC245 etc) in TSSOP size with the usual pinout but 0.5mm pin pitch ?
They seem to be mostly 0.65mm or bigger but I screwed up a pcb layout and want to build a few while new PCBs are made.
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KrudyZ
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Re: 74xx245 pinout, 0.5mm pitch
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Reply #1 on:
April 20, 2024, 10:08:46 pm »
Toshiba makes (made?) some of these in what they call a 20-VSSOP package.
https://www.digikey.com/en/products/detail/toshiba-semiconductor-and-storage/TC74VCX245FK-EL/6679587
https://www.digikey.com/en/products/detail/toshiba-semiconductor-and-storage/TC74LCX245FK-EL-K/6679578
Looks like TI also makes some that you can actually buy:
https://www.digikey.com/en/products/filter/buffers-drivers-receivers-transceivers/704?s=N4IgjCBcpgTAnBaIDGUBmBDANgZwKYA0IA9lANrgAsAzIgOwgC6xADgC5QgDK7ATgEsAdgHMQAX3HFYFEACMArunT4%2BzcUA
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Last Edit: April 20, 2024, 10:23:47 pm by KrudyZ
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artag
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Re: 74xx245 pinout, 0.5mm pitch
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Reply #2 on:
April 21, 2024, 05:38:19 pm »
Thanks. The kicad footprint I incorrectly chose was called TSSOP-0.5. I didn't realise VSSOP was the common name for the finer pitch devices.
I have managed to squeeze a 0.65mm device onto the board by bending the leads but I'll be glad to avoid doing more of those
.
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