CD4093BM Datasheet, PDF (4/6 Pages) National Semiconductor (TI) – Quad 2-Input NAND Schmitt Trigger

Typical Applications
Gated Oscillator
Assume t₁ a t₂ ll t_PHL a t_PLH then
t₀ e RC fin V_DD V_T^b
t₁ e RC fin (V_DD b V_T^b) (V_DD b V_T^a)
t₂ e RC fin V_T^{a VTb}
1
1
fe
e
t₁ a t₂
RC
fin
(V_T^a) (V_DD
(V_T^b)(V_DD
b
b
V_T^b)
V_T^a)
TL F 5982 – 2
Gated One-Shot
TL F 5982 – 4
(a) Negative-Edge Triggered
TL F 5982 – 6
(b) Positive-Edge Triggered
TL F 5982 – 3
TL F 5982 – 5
TL F 5982 – 7
4