Re: [uCsimm] Are the uCsimm I/O pins 5V Tolerant?

From: Sam Saprunoff (
Date: Fri Feb 04 2000 - 23:00:20 EST

Hello everyone!

Well, I received the info from Motorola via a good chap at FAI (Arden
Wagner)... Now we (I) have a definitive answer to this question.



>Hello Sam:
>Here you go.


>The MC68EZ328 pins are not 5 Volt tolerant for continuous operation. The
>specification of -0.3 V to 7.0 V is for transient inputs not continuous.
>Appropriate operation of the part is not guaranteed under 5 Volt continuous
>inputs to the pins. If needed level converters may be implemented.
>Adrian Pineda


> <<...>> Arden Wagner
>Technical Sales Manager
>Future Electronics - Calgary

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