Hi, add Ricoh, too. The RS5C313 does it fine, and cheap. Imre On Sat, 30 Jan 1999, Donald L Burdette wrote: > Several others make real time clock chips. Check out Epson, Dallas > (www.dalsemi.com) and Seiko. > > Dallas in particular makes a wide variety of different chips. Interfaces > for parallel, IIC, 1-Wire, SPI, etc. They also have some sub-microamp > parts. The part I buy and use is under $2.00, so it's cheaper than the > PIC, lower power, more accurate, smaller. > > Why use a dedicated PIC? > > Don > >