FreeCalypso > hg > freecalypso-docs
diff FC-handset-spec @ 76:04080501911d
FC-handset-spec section 1.12.2.2: more accurate rounding to 41 uA
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Fri, 17 Sep 2021 18:35:37 +0000 |
parents | c458b7159fbd |
children | da3bb12c2e6f |
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--- a/FC-handset-spec Fri Sep 17 18:31:08 2021 +0000 +++ b/FC-handset-spec Fri Sep 17 18:35:37 2021 +0000 @@ -972,7 +972,7 @@ signals that are output from a 3.3V-powered buffer is that when the buffer output is high, there may be current flowing into that high output (not sourcing out of it as normally expected), which is a bad condition for CMOS outputs. -However, this current will be limited to a maximum of about 40 uA +However, this current will be limited to a maximum of about 41 uA ((4.2-3.3 V) / 22 kOhm), and my feeling is that such small current won't hurt Nexperia LVC buffers.