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參數(shù)資料
| 型號(hào)： | 74HC423 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Dual retriggerable monostable multivibrator with reset |
| 中文描述： | 雙retriggerable單穩(wěn)態(tài)觸發(fā)器的復(fù)位 |
| 文件頁數(shù)： | 10/14頁 |
| 文件大?。?/td> | 103K |
| 代理商： | 74HC423 |
1998 Jul 08
10
Philips Semiconductors
Product specification
Dual retriggerable monostable
multivibrator with reset
74HC/HCT423
APPLICATION INFORMATION
Power-up considerations
When the monostable is powered-up it may produce an output pulse, with a pulse width defined by the values of R
X
and
C
X
, this output pulse can be eliminated using the circuit shown in Fig.11.
Power-down considerations
A large capacitor (C
X
) 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 V
CC
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 (D
X
) preferably a germanium or Schottky-type diode able to withstand large current
surges and connect as shown in Fig.12.
Fig.11 Power-up output pulse elimination circuit.
Fig.12 Power-down protection circuit.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
| 74HC423BQ | 制造商:NXP Semiconductors 功能描述:IC DUAL RETRIG MULTIVIB 16D |
| 74HC423BQ,115 | 功能描述:單穩(wěn)態(tài)多諧振蕩器 5V DUAL RETRIG RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| 74HC423BQ-G | 功能描述:單穩(wěn)態(tài)多諧振蕩器 5V DUAL RETRIG MONOSTABLE MVIB RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| 74HC423D | 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO RETRIG RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
| 74HC423D,652 | 功能描述:單穩(wěn)態(tài)多諧振蕩器 DUAL MONO RETRIG RoHS:否 制造商:Texas Instruments 每芯片元件:1 邏輯系列:LVC 邏輯類型:Monostable Multivibrator 封裝 / 箱體:SSOP-8 傳播延遲時(shí)間:18.6 ns 高電平輸出電流:- 32 mA 低電平輸出電流:32 mA 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大功率耗散: 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝:Reel |
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