应用功能：四2输入端施密特触发器 NSC/MOT/ST CD4093B consists of four Schmitt-trigger circuits.Each circuit functions as a 2-input NAND gate with Schmitttrigger action on both inputs. The gate switches at different points for positive and negative-going signals. The difference between the positive (VT+) and the negative voltage (VT-) is defined as hysteresis voltage (VH).
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