At 02:21 PM 3/25/97 -0600, you wrote: >At 11:23 PM 3/25/97, Elvin Slavik wrote: > >>Has anyone any comments/experience on running a 16C84 @ 11.0592MHz. >>I know it is 1.0592Mhz faster than the rating, but what I'm thinking >>about is sharing the clock on a circuit which already has an Atmel >>89C2051 running @ 11.0592MHz with a '84. > >I believe they are rated to 10 MHz; I use them for PROTOTYPING ONLY at >speeds up to 16 MHz; 20 MHz will not work; 18 MHz on a good day, certainly >not reliable. Is this design for production? If no, then go ahead and use >the 11 MHz signal. If it will be in production in any quantity, you will >absolutely want to speak with someone at MCHIP. Do you need the EEPROM, or >could you switch over to a less-expensive variant, such as the 16C61-20 or >such, that is rated at 20 MHz? Also, will your supply voltage stay a >constant, good +5V? How about temp range? I believe these somewhat affect >what freq. range is likely to work. Anyone know if MCHIP plans a 20 MHz >'84? That would be ideal for quick prototyping fast circuits. > > -Todd > > > > > .--------------------------------------------------------------. > / .-. E-Lab Digital Engineering, Inc. .-. \ > | / \ Embedded Control & Integrated Circuit Solutions / \ | > | \_. | | / | > |\ | /| http://www.netins.net/showcase/elab |\ | /| > | `---' | | `---' | > | |Inquire about our EDE700 Serial LCD Screen Driver!| | > | | (712) 944-5344 FAX:(712) 944-5501 | | > | |--------------------------------------------------| | > \ / \_____/ > `---' > > Why not just use the 16F84 it is rated at 10 mhz. dragon dragon@topher.net