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Last update: 29 March 2006

IC numbers:LM2901, LM339, µA399, TA75339
IC function:Quad comparator
Related components:Single comparator

Component documentation
IC numberManufacturerDocumentation
LM2901Texas InstrumentsWeb page, Datasheet (PDF)
Signetics (now Philips)Web page, Datasheet (PDF)
Motorola (now ON Semiconductor)Web page, Datasheet (PDF)
National SemiconductorWeb page, Datasheet (PDF)
LM339Signetics (now Philips)Web page, Datasheet (PDF)
National SemiconductorWeb page, Datasheet (PDF)
µA339Fairchild SemiconductorNot available
TA75339ToshibaNot available

Component versions
IC numberPackageCBM part numberCBM part descriptionReplacement parts
LM290114-pin DIP901423-09LM2901 LM2901N available from:Conrad
LM2901N available from:Conrad
LM33914-pin DIP318827-01LM339 LM339 available from:Conrad
LM339N available from:Conrad
LM33914-pin SO391195-01LM339 LM339 available from:Conrad
LM339D available from:Conrad
LM339D available from:Conrad
LM339D available from:Conrad

Positions
DevicePositionComponentsPackage
A1000U4MLM2901, TA75339DIP
A2000U20LM2901, LM339DIP
A2000CRU805LM2901, LM339, µA399DIP
CDTVU33LM339DIP
PC40-IIIU116LM339DIP
PC60-IIIU129LM339DIP
SL286/SL386SX main boardU511LM339SO

Pinout
PinComparatorFunction
11OUT
22OUT
3allVCC
42IN-
52IN+
61IN-
71IN+
83IN-
93IN+
104IN-
114IN+
12allGND
134OUT
143OUT

Copyright © 2003-2006 Ronald van Dijk - All rights reserved