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NE555 参数 Datasheet PDF下载

NE555图片预览
型号: NE555
PDF下载: 下载PDF文件 查看货源
内容描述: 单TIMER [Single Timer]
分类和应用:
文件页数/大小: 14 页 / 152 K
品牌: FAIRCHILD [ FAIRCHILD SEMICONDUCTOR ]
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www.fairchildsemi.com
LM555/NE555/SA555
Single Timer
Features
High Current Drive Capability (200mA)
Adjustable Duty Cycle
Temperature Stability of 0.005%/°C
Timing From
µSec
to Hours
Turn off Time Less Than 2µSec
Description
The LM555/NE555/SA555 is a highly stable controller
capable of producing accurate timing pulses. With a
monostable operation, the time delay is controlled by one
external resistor and one capacitor. With an astable
operation, the frequency and duty cycle are accurately
controlled by two external resistors and one capacitor.
8-DIP
Applications
Precision Timing
Pulse Generation
Time Delay Generation
Sequential Timing
1
8-SOP
1
Internal Block Diagram
R
R
R
8
GND
1
Vcc
Comp.
Trigger
Discharging Tr.
7
2
Discharge
Output
3
OutPut
Stage
F/F
6
Comp.
Threshold
Control
Voltage
Reset
4
5
Vref
Rev. 1.0.3
©2002 Fairchild Semiconductor Corporation