參數(shù)資料
型號(hào)： 933714630653
廠商： NXP SEMICONDUCTORS
元件分類： 諧振器
英文描述： HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
封裝： SOT-109, SO-16
文件頁數(shù)： 7/19頁
文件大?。?/td> 332K
代理商： 933714630653
December 1990
15
Philips Semiconductors
Product specication
Dual non-retriggerable monostable
multivibrator with reset
74HC/HCT221
Fig.15 Typical output pulse width as a function of
temperature; CX = 0.1 F; RX =10K;
VCC =5V.
Fig.16 k factor as a function of supply voltage;
RX =10K;Tamb =25 °C.
Power-down consideration
A large capacitor (CX) may cause problems when
powering-down the monostable due to the energy stored
in this capacitor. When a system containing this device is
powered-down or a rapid decrease of VCC to zero occurs,
the monostable may substain damage, due to the
capacitor discharging through the input protection diodes.
To avoid this possibility, use a damping diode (DX)
preferably a germanium or Schottky type diode able to
withstand large current surges and connect as shown in
Fig.17.
Fig.17 Power-down protection circuit.
PACKAGE OUTLINES
See
“74HC/HCT/HCU/HCMOS Logic Package Outlines”.
相關(guān)PDF資料
PDF描述
935189810112 HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
935189800118 HCT SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
935189810118 HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
933714630652 HC/UH SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
935189800112 HCT SERIES, DUAL MONOSTABLE MULTIVIBRATOR, PDSO16
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