參數(shù)資料
型號(hào): 935270276112
廠(chǎng)商: NXP SEMICONDUCTORS
元件分類(lèi): 門(mén)電路
英文描述: HEX 1-INPUT INVERT GATE, PDSO14
封裝: SOT-402, 14 PIN
文件頁(yè)數(shù): 6/7頁(yè)
文件大?。?/td> 85K
代理商: 935270276112
January 1995
6
Philips Semiconductors
Product specication
Hex inverting Schmitt trigger
HEF40106B
gates
If a Schmitt trigger is driven via a high impedance (R
> 1 k) then it is necessary to incorporate a capacitor C of such
value that:
, otherwise oscillation can occur on the edges of a pulse.
Cp is the external parasitic capacitance between input and output; the value depends on the circuit board layout.
Fig.9 Typical switching levels as a function of supply voltage VDD;Tamb =25 °C.
Fig.10 Schmitt trigger driven via a high impedance (R
> 1 k).
C
p
-------
V
DD
V
SS
V
H
---------------------------
>
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