Passives
Rochester re-introduce National Semiconductor ripple counter
Through our extensive line-up of Extension-of-Life® solutions, Rochester Electronics is pleased to be the authorized aftermarket supplier of this ripple counter that was originally offered by National Semiconductor. Despite being discontinued for years, the 74LS197 is still utilized in many legacy designs which rely solely on Rochester to offer a continuing supply of chips that are identical to those originally offered by industry suppliers. Check inventory here.