On 8/4/2018 12:48 PM, William Levak wrote: > On Sat, 4 Aug 2018, William Levak wrote: > >> >> My copy shows it connected to pin 20. However, it does not show pins >> 11, 12, and 19. >> >> I did not find a data sheet. It does not appear to be the same as the >> TI SN75161. > > I opened up my 2031. The chips are TI SN75160N and SN75161AN. The only > data sheet I could find was for the SN75161B, which apparently has a > different pinout. Can you link to the conflicting sheets? I can only find sheets that do not conflict. JimReceived on 2018-08-04 22:03:03
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