I wrote > Another one-shot can latch the data after a time delay less > than 0.1s I meant FOR a time less than 0.1s. IOW, hold the data latched for as long as it takes to process it but shorter than the gate period Joe --=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 .