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NE555 の電気的特性と機能

NE555のメーカーはESTEKです、この部品の機能は「Monolithic timing circuits」です。


製品の詳細 ( Datasheet PDF )

部品番号 NE555
部品説明 Monolithic timing circuits
メーカ ESTEK
ロゴ ESTEK ロゴ 




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NE555 Datasheet, NE555 PDF,ピン配置, 機能
NE555
Description
These devices are monolithic timing circuits capable of producing accurate time delays or oscillation.
Inthe time delay mode of operation, the timed interval is controll ed by a single external resistor and capacit
or netw ork. In the astable mode of operation, the frequency and duty cy cle may be independently
controlled wi th two external resistors and a si ngle external capacitor.
Features
Timing from Microseconds to Hours
Astable or Monostable Operation
Adjustable Duty Cycle
TTL - Compatible Output Can Sink or Source Up to 200 mA
Temperature Stability of 0.005% per oC
Direct Replacement for Signetics NE555 Timer
Applications
Precision timing
Pulse generation
Sequential timing
Time delay generation
Pulse w idth modulation
Pulse position modulation
Missing pulse detector
Pin Configuration
TOP VIEW
DIP-8
SOP-8
P ack age
Internal Block Digram
RESET can override TRIGGER, which can override THRESHOLD
BEIJING ESTEK ELECTRONICS CO.,LTD
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NE555 pdf, ピン配列
Function Table
Reset
Low
High
High
High
Trigger Voltage *
Irrelevant
< 1/3 VCC
> 1/3 VCC
> 1/3 VCC
* Voltage levels shown are nominal
Threshold Voltage *
Irrelevant
High
> 2/3 VCC
< 2/3 VCC
Typical Applications Circuit
NE555
Output
Discharge Switch
Low On
High
Off
Low On
As previously established
Figure 1 Circuit for astable operation
Figure 2. Circuit for monostable operation
NOTE A: Bypassing the control voltage input to ground with a capacitor may improve operation. This should be evaluated
applications.
for individual
Ordering Information
O RDERING NUM BER
NE555
P ACK AG E
DIP - 8 / SOP - 8
MARKING
NE555
Address :
6A06--6A07
Rm 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
Postalcode:100039
Tel: 86-010-58895780 / 81 / 82 / 83 / 84 Fax : 010-58895793
Http://www.estek.com.cn
REV No:01-060823
BEIJING ESTEK ELECTRONICS CO.,LTD
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