LM555CMX_12 FAIRCHILD [Fairchild Semiconductor], LM555CMX_12 Datasheet
LM555CMX_12
Manufacturer Part Number
LM555CMX_12
Description
Single Timer
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet
1.LM555CMX_12.pdf
(13 pages)
Features
• High Current Drive Capability (200mA)
• Adjustable Duty Cycle
• Temperature Stability of 0.005%/C
• Timing From Sec to Hours
• Turn off Time Less Than 2Sec
Applications
• Precision Timing
• Pulse Generation
• Time Delay Generation
• Sequential Timing
Internal Block Diagram
©2012 Fairchild Semiconductor Corporation
LM555
Single Timer
Trigger
Output
Reset
GND
1
2
3
4
OutPut
Comp.
Stage
R
Vref
F/F
Discharging Tr.
Description
The LM555 is a highly stable controller capable of produc-
ing 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.
R
8-SOIC
8-DIP
Comp.
1
1
R
8
7
6
5
Threshold
Discharge
Control
Voltage
Vcc
www.fairchildsemi.com
Rev. 1.0.5
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