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Sender: "piclist-bounces@mit.edu" Date: Tue, 31 Mar 2020 12:56:04 -0700 Subject: Re: [EE] Identifying pin one Thread-Topic: [EE] Identifying pin one Thread-Index: AdYHl8YG41Vb1Ro/TlOQnzUiwcWOwg== Message-ID: References: List-Help: List-Subscribe: , List-Unsubscribe: , In-Reply-To: Reply-To: Microcontroller discussion list - Public. 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The following **should** work: simply place a multi-meter in Diode=20 mode across the Vdd & Vss pins. Should show high resistance when=20 connected correctly and show a typical diode drop (~0.6 Vdc) when=20 connected backwards. dwayne At 09:42 AM 3/31/2020, David C Brown wrote: >I have purchases some >SN74LVC2G14DBVr chips in SOT23-6 packages and, with great difficulty, > mounted one of them on a DIP adaptor > >But I am not sure which is pin 1 and the datasheet is unhelpful. >The chips bear the word C145 and my guess is that if that is the right way >up >pin 1 is the lower left. Can anyone confirm this? >__________________________________________ >David C Brown --=20 Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA 780-489-3199 voice 780-487-6397 fax 888-489-3199 Toll Free www.trinity-electronics.com Custom Electronics Design and Manufacturing --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .