[time-nuts] 4046 replacement
csteinmetz at yandex.com
Mon May 7 12:12:55 EDT 2018
> Question : In the 74HCT9046BCN - does a high on the inhibit line Knobble
> the P/F detectors as well as the VCO?
I've never had occasion to use the INH pin. The 2009 NXP datasheet says
it shuts down the whole circuit:
"The inhibit function differs. For the 74HCT4046A a HIGH-level at the
(pin INH) disables the VCO and demodulator, while a LOW-level turns both
the 74HCT9046A a HIGH-level on the inhibit input disables the whole
minimize standby power consumption."
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