These devices monolithic timing circuits capable producing accurate ti

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These devices monolithic timing circuits capable producing accurate ti

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NE555
These devices monolithic timing circuits capable producing accurate time delays oscillation. Inthe time delay mode operation, timed interval controll single external resistor capacit netw ork. astable mode operation, frequency duty independently controlled external resistors ngle external capacitor.
Timing from Microseconds Hours Astable Monostable Operation Adjustable Duty Cycle Compatible Output Sink Source Temperature Stability 0.005%
DIP-8 SOP-8
Direct Replacement Signetics NE555 Timer
Applications
Configuration
VIEW
Precision timing Pulse generation Sequential timing Time delay generation Pulse idth modulation Pulse position modulation Missing pulse detector
Internal Block Digram
RESET override TRIGGER, which override
THRESHOLD
BEIJING ESTEK ELECTRONICS CO.,LTD
NE555
Absolute Maximum Ratings
(TA=25° unless otherwise specified) Parameter
Supply Voltage, Input Voltage (control, reset, threshold trigger) Output Current, Operating Free-Air Temperature, Storage Temperature Range, TSTG
+150
Units
Electrical characteristics
(TA=25° VCC=+5V +15V, unless otherwise specified)
Parameter Operating Supply Voltage Range Threshold Voltage Level Threshold Current (Note Trigger Voltage Level Trigger Current Reset Voltage Level Reset Current Discharge Leakage Current Control Voltage Level Low-level Output Voltage Test conditions (Note VCC=15V VCC=5V (see Note VCC=15V VCC=5V Trigger Reset Reset VCC=15V VCC=5V VCC=15V IOL=10mA IOL=50mA IOL=100mA IOL=200mA IOL=5mA IOL=8mA IOL=-100mA IOL=-200mA IOL=-100mA VCC=15V VCC=5V VCC=15V VCC=5V 1.67 -0.4 0.25 13.3 12.5 11.2 -1.5 0.25 0.75 0.35 Units
VCC=5V High-level Output Voltage VCC=15V VCC=5V Output Low, Load Output High, Load TA=25°
12.75 2.75
Supply Current
Initial Error Timing Interval (Note
Temperature Coefficient TA=MIN Timing Interval TA=25° Supply Voltage Sensitivity Timing Interval CL=15pF, TA=25° Output Pulse Rise Time Output Pulse Fall Time Note This parameter influences maximum value timing resistors circuit example, when VCC=5V, maximum value A+RB=3.4 VCC=15V, maximum value Note conditions shown MAX, appropriate value specified under recommended operating conditions. Note Timing interval error defined difference between measured value average value random sample from each process run. Note Values specified device monostable circuit similar Fig. with component values follow: RA=2K C=0.1µF. Note Values specified device astable circuit similar Fig. with component values follow: RB=1K C=0.1µF.
monostable (Note astable (Note monostable astable monostable astable
BEIJING ESTEK ELECTRONICS CO.,LTD
NE555
Function Table
Reset
High High High
Trigger Voltage
Irrelevant
Threshold Voltage
Irrelevant High
Output
High
Discharge Switch
previously established
Voltage levels shown nominal
Typical Applications Circuit
Figure Circuit astable operation
Figure Circuit monostable operation
evaluated individual
NOTE Bypassing control voltage input ground with capacitor improve operation. This should applications.
Ordering Information
RDERING NE555 ARKIN NE555
Address
Postalcode:100039 Tel: 86-010-58895780 Http://www.estek.com.cn Email:sales@estek.com.cn
6A06-6A07 6A07,Changyin Office Building ,No.88,Yong Ding Road,Hai Dian District ,Beijing
010-58895793
No:01-060823
BEIJING ESTEK ELECTRONICS CO.,LTD

These devices monolithic timing circuits capable producing accurate ti

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