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Last update: 8 August 2010

IC number:NE555, LM555, µA555, NJM555, MC1455
IC function:Timer
Related components:556 dual timer

Component documentation
IC numberManufacturerDocumentation
NE555Texas InstrumentsWeb page, Datasheet (PDF)
Signetics (now Philips)Web page, Datasheet (PDF)
MC1455Motorola (now ON Semiconductor)Web page, Datasheet (PDF)
LM555National SemiconductorWeb page, Datasheet (PDF)
µA555Fairchild SemiconductorNot available
NJM555New Japan RadioDatasheet (PDF)

Component versions
PackageCBM part numberCBM part descriptionReplacement parts
8-pin DIP901523-01NE555 NE555 available from:Conrad
NE555P available from:Conrad
8-pin SO391104-01Linear NE555 SM NE555 available from:Conrad
NE555D available from:Conrad
NE555D available from:Conrad
NE555D available from:Conrad

Positions
DevicePositionPackage
A500U42DIP
A500 PlusU42DIP
CDTVU76DIP
A600U14SO
A500 keyboard PCBIC4DIP
PET board assy 320132, 320137, 320008, 320081UDE9DIP
PET board assy 320351UA2DIP
PET board assy 8032090, 8032080, 8032030UD16DIP
VIC-20UB2DIP
VIC-20CRUB6DIP
PLUS 4U8DIP
C16U10DIP
C116U10DIP
SX 64 CPU boardUG7DIP
2040 digital boardUM2DIP
2031 HPU3SDIP
2031 LPU1FDIP
1551 main boardU1DIP
8050, 8250 digital boardUM2DIP
8050, 8250 analog board assy 8050006, 8250023U8DIP
SFD-1001 control board11JDIP

Pinout
PinFunction
1GND
2Trigger
3Output
4Reset
5Control Voltage
6Threshold
7Discharge
8VCC

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