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參數(shù)資料
| 型號(hào)： | 4093B |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Quadruple 2-input NAND Schmitt trigger |
| 中文描述： | 四2輸入與非施密特觸發(fā)器 |
| 文件頁(yè)數(shù)： | 6/6頁(yè) |
| 文件大小： | 79K |
| 代理商： | 4093B |
January 1995
6
Philips Semiconductors
Product specification
Quadruple 2-input NAND Schmitt trigger
HEF4093B
gates
Fig.9 Typical switching levels as a function of supply voltage V
DD
; T
amb
= 25
°
C.
APPLICATION INFORMATION
Some examples of applications for the HEF4093B are:
Wave and pulse shapers
Astable multivibrators
Monostable multivibrators.
Fig.10 The HEF4093B used as a astable multivibrator.
Fig.11 Schmitt trigger driven via a high impedance
(R
>
1 k
).
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:
V
V
–
V
H
C
p
is the external parasitic capacitance between inputs and output; the value depends on the circuit board layout.
Note
The two inputs may be connected together, but this will result in a larger through-current at the moment of switching.
C
p
------
---------------------------
, otherwise oscillation can occur on the edges of a pulse.
>
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| 4093BEDIE2HR | 制造商:STMicroelectronics 功能描述:4093 IN DIE FORM - Gel-pak, waffle pack, wafer, diced wafer on film |
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