Drew, The ISD 4004 offers 8 minutes of audio storage. The only drawback is the need to invert the bit order of the commands and addresses sent to the chip. Wynn Rostek -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads