CF5732 Ver la hoja de datos (PDF) - Nippon Precision Circuits

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CF5732

Analog clock CMOS IC

Nippon Precision Circuits  

CF5732 Series

FUNCTIONAL DESCRIPTION

Alarm input/output

AI

1/2V DD (*3)

AO

fCY

fPW

AO

(*1)

AO

(*2)

(*1) AO is the reverse phase of AO, when output is active. (the same phase, when output is inactive): CF5732EA, GA

(*2) AO is complete reverse phase of AO. (even output is inactive.): CF5732FA, HA, JA, KA

(*3) When AI is held at 1/2 VDD, the alarm reference, frequency is output at AO and AO.

Input Debouncing Circuit

Setting bouncing delay time prevents the circuit from the

erroneous operation by AI input bouncing (chattering.)

ton ≤ 31.25 msec : The alarm input is ignored

ton ≥ 62.5 msec : The alarm input is accepted

AI

(Active L)

tCH

tON

NIPPON PRECISION CIRCUITS-4

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