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Thread: More on (ab)use of PIC protection diodes & bad design
face BY : Richard Prosser email (remove spam text)

The allowable limit appear to be different for different device families.
The 12C series have the 500uA limit while the 16C7X series have a 20mA
limit. (I think)

Either way I would advise you to provide alternative protection and use the
internal diodes as secondary protection for cases of extreame abuse.
Richard P

> {Original Message removed}

See also: www.piclist.com/techref/microchip/devices.htm?key=pic
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Subject (change) More on (ab)use of PIC protection diodes & bad design

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