topic PCF85263ATL/AX in Other NXP Products https://community.nxp.com/t5/Other-NXP-Products/PCF85263ATL-AX/m-p/819605#M6314 <HTML><HEAD></HEAD><BODY><P>I am looking into using the PCF85263ATL/AX real time clock component.&nbsp; During evaluation of the data sheet, I noticed that Pin-4(TS/CLK/INTB_n) is not connected if the input is not used; however, I cannot seem to find what to do with pin-9, INTA_n/CLK, and pin-8, CLK.&nbsp; I don't just want to leave these unconnected so am looking for what is recommended for these pins if they are not being used.</P></BODY></HTML> Tue, 02 Oct 2018 12:55:15 GMT ralexan 2018-10-02T12:55:15Z PCF85263ATL/AX https://community.nxp.com/t5/Other-NXP-Products/PCF85263ATL-AX/m-p/819605#M6314 <HTML><HEAD></HEAD><BODY><P>I am looking into using the PCF85263ATL/AX real time clock component.&nbsp; During evaluation of the data sheet, I noticed that Pin-4(TS/CLK/INTB_n) is not connected if the input is not used; however, I cannot seem to find what to do with pin-9, INTA_n/CLK, and pin-8, CLK.&nbsp; I don't just want to leave these unconnected so am looking for what is recommended for these pins if they are not being used.</P></BODY></HTML> Tue, 02 Oct 2018 12:55:15 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF85263ATL-AX/m-p/819605#M6314 ralexan 2018-10-02T12:55:15Z Re: PCF85263ATL/AX https://community.nxp.com/t5/Other-NXP-Products/PCF85263ATL-AX/m-p/819606#M6315 <HTML><HEAD></HEAD><BODY><P><EM>&nbsp;</EM></P><P>Hello Robert,</P><P></P><P>You can leave the Pin 9 INTA_n/CLK and Pin 8 CLC unconnected if they are not being used. You can also check the user manual UM10301 for NXP Real Time Clocks <A href="https://www.nxp.com/docs/en/user-guide/UM10301.pdf">here</A>&nbsp;(section 16).&nbsp;</P><P></P><P>Have a great day,</P><P><SPAN style="font-size: 11.0pt;">Paulina </SPAN></P></BODY></HTML> Thu, 04 Oct 2018 18:16:22 GMT https://community.nxp.com/t5/Other-NXP-Products/PCF85263ATL-AX/m-p/819606#M6315 lisettelozano 2018-10-04T18:16:22Z