CD4093(1999) データシートの表示（PDF） - Fairchild Semiconductor

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CD4093
(Rev.:1999)

Quad 2-Input NAND Schmitt Trigger

Fairchild Semiconductor 

Typical Applications

Gated Oscillator

Assume t1 + t2 >> tPHL + tPLH then:

t0 = RC ln [VDD/VT−]

t1 = RC ln [(VDD − VT−)/(VDD − VT+)]

t2 = RC ln [VT+/VT−]

Gated One-Shot

(a) Negative-Edge Triggered

(b) Positive-Edge Triggered

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