> From: David Schmidt > > BTW, why does SIP pullup resistor networks come with 9 or 5 > resistors instead of 4 or 8? Why is the ULN2003 7 channels > instead of 8? With 4/8/16/32/64 bit computers you'd think > they would make parts along those numbers instead. > They do. A quick look in the RS Components catalogue shows 7, 8 and 9 resistors in a SIL. You can also get 4 independent R's. Having that 'extra' 9th resistor always comes in handy anyway. Regards, SJH Canberra, Australia